Compressed-Air Preventive Maintenance Architecture

COMPRESSED-AIR PREVENTIVE MAINTENANCE ARCHITECTURE

That commercial route remains separately preserved and is not overwritten.

Provisional new-series slug: /compressed-air-engineering/preventive-maintenance-architecture/ | Primary CTA: Build My Preventive Maintenance Programme

Preventive maintenance is not a list of service intervals. it is a controlled architecture that keeps required functions inside their accepted operating envelope

It structures what must be inspected, cleaned, lubricated, adjusted, replaced, tested, documented and verified across compressor packages, treatment, storage, distribution, controls and utilities—without inventing universal service intervals or overriding current manufacturer requirements.

A premium PM programme links every recurring task to an asset/function, operating context, failure mechanism, exact task method, parts/tools, competence, evidence, trigger or interval basis, as-found condition and as-left verification. Calendar compliance alone is not proof of reliability.

1 — Asset Hierarchy

PM Architecture Foundation: control asset hierarchy as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

2 — Functional Hierarchy

PM Architecture Foundation: control functional hierarchy as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

3 — Criticality Input

PM Architecture Foundation: control criticality input as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

4 — Operating Context

PM Architecture Foundation: control operating context as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

5 — Oem Maintenance Source

PM Architecture Foundation: control OEM maintenance source as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

6 — Site Maintenance Standard

PM Architecture Foundation: control site maintenance standard as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

7 — Statutory/Specialist Task Boundary

PM Architecture Foundation: control statutory/specialist task boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

8 — Task Ownership

PM Architecture Foundation: control task ownership as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

9 — Task Purpose

PM Architecture Foundation: control task purpose as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

10 — Task Method

PM Architecture Foundation: control task method as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

11 — Task Evidence

PM Architecture Foundation: control task evidence as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

12 — Interval Basis

PM Architecture Foundation: control interval basis as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

13 — Condition Override

PM Architecture Foundation: control condition override as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

14 — Configuration Dependency

PM Architecture Foundation: control configuration dependency as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

15 — Revision Control

PM Architecture Foundation: control revision control as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

16 — Running-Hours Interval

Interval Engineering: control running-hours interval as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

17 — Calendar Interval

Interval Engineering: control calendar interval as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

18 — Starts/Cycles Interval

Interval Engineering: control starts/cycles interval as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

19 — Condition Trigger

Interval Engineering: control condition trigger as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

20 — Environmental Severity

Interval Engineering: control environmental severity as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

21 — Dust Severity

Interval Engineering: control dust severity as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

22 — Ambient-Temperature Severity

Interval Engineering: control ambient-temperature severity as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

23 — Humidity/Moisture Exposure

Interval Engineering: control humidity/moisture exposure as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

24 — Load Severity

Interval Engineering: control load severity as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

25 — Unloaded-Cycling Exposure

Interval Engineering: control unloaded-cycling exposure as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

26 — Standby Preservation Interval

Interval Engineering: control standby preservation interval as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

27 — Seasonal Interval

Interval Engineering: control seasonal interval as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

28 — Shutdown-Window Alignment

Interval Engineering: control shutdown-window alignment as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

29 — Warranty/Service Requirement

Interval Engineering: control warranty/service requirement as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

30 — Interval-Change Governance

Interval Engineering: control interval-change governance as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

31 — Daily Visual Inspection

Routine Operator Care: control daily visual inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

32 — Oil/Fluid Level Check

Routine Operator Care: control oil/fluid level check as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

33 — Leak Observation

Routine Operator Care: control leak observation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

34 — Abnormal Noise

Routine Operator Care: control abnormal noise as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

35 — Abnormal Vibration

Routine Operator Care: control abnormal vibration as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

36 — Temperature Indication

Routine Operator Care: control temperature indication as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

37 — Pressure Indication

Routine Operator Care: control pressure indication as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

38 — Alarm Review

Routine Operator Care: control alarm review as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

39 — Drain Operation Observation

Routine Operator Care: control drain operation observation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

40 — Room Ventilation Observation

Routine Operator Care: control room ventilation observation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

41 — Intake Obstruction Check

Routine Operator Care: control intake obstruction check as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

42 — Housekeeping

Routine Operator Care: control housekeeping as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

43 — Condensate Observation

Routine Operator Care: control condensate observation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

44 — Operating-State Recording

Routine Operator Care: control operating-state recording as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

45 — Defect Escalation

Routine Operator Care: control defect escalation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

46 — Intake Filter

Compressor Package PM: control intake filter as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

47 — Lubricant/Oil Service

Compressor Package PM: control lubricant/oil service as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

48 — Oil Filter

Compressor Package PM: control oil filter as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

49 — Separator Element

Compressor Package PM: control separator element as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

50 — Cooler Cleaning

Compressor Package PM: control cooler cleaning as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

51 — Fan/Pump Inspection

Compressor Package PM: control fan/pump inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

52 — Belts

Compressor Package PM: control belts as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

53 — Coupling

Compressor Package PM: control coupling as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

54 — Motor Bearings

Compressor Package PM: control motor bearings as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

55 — Airend Inspection Boundary

Compressor Package PM: control airend inspection boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

56 — Minimum-Pressure/Check Valve

Compressor Package PM: control minimum-pressure/check valve as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

57 — Blowdown Valve

Compressor Package PM: control blowdown valve as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

58 — Hoses/Flexible Lines

Compressor Package PM: control hoses/flexible lines as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

59 — Package Fasteners

Compressor Package PM: control package fasteners as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

60 — Enclosure And Ventilation

Compressor Package PM: control enclosure and ventilation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

61 — Motor Inspection

Electrical & Drive PM: control motor inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

62 — Starter Inspection

Electrical & Drive PM: control starter inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

63 — Vsd Inspection

Electrical & Drive PM: control VSD inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

64 — Electrical Connection Review

Electrical & Drive PM: control electrical connection review as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

65 — Cooling Fan/Filter

Electrical & Drive PM: control cooling fan/filter as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

66 — Control-Power Supply

Electrical & Drive PM: control-power supply as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

67 — Protection-Device Verification

Electrical & Drive PM: control protection-device verification as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

68 — Earthing/Bonding Boundary

Electrical & Drive PM: control earthing/bonding boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

69 — Panel Cleanliness

Electrical & Drive PM: control panel cleanliness as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

70 — Thermal Evidence

Electrical & Drive PM: control thermal evidence as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

71 — Cable Condition

Electrical & Drive PM: control cable condition as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

72 — Contact/Terminal Condition

Electrical & Drive PM: control contact/terminal condition as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

73 — Battery/Ups Support

Electrical & Drive PM: control battery/UPS support as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

74 — Drive Backup

Electrical & Drive PM: control drive backup as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

75 — Electrical Specialist Boundary

Electrical & Drive PM: control electrical specialist boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

76 — Controller Health

Controls & Instrument PM: control controller health as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

77 — Pressure Sensor Verification

Controls & Instrument PM: control pressure sensor verification as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

78 — Temperature Sensor Verification

Controls & Instrument PM: control temperature sensor verification as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

79 — Flow-Meter Verification

Controls & Instrument PM: control flow-meter verification as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

80 — Dew-Point Instrument Verification

Controls & Instrument PM: control dew-point instrument verification as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

81 — Sequencer Health

Controls & Instrument PM: control sequencer health as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

82 — Hmi Health

Controls & Instrument PM: control HMI health as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

83 — Communication Health

Controls & Instrument PM: control communication health as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

84 — Alarm Verification

Controls & Instrument PM: control alarm verification as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

85 — Trip/Interlock Proof

Controls & Instrument PM: control trip/interlock proof as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

86 — Setpoint Audit

Controls & Instrument PM: control setpoint audit as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

87 — Configuration Backup

Controls & Instrument PM: control configuration backup as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

88 — Firmware/Software Record

Controls & Instrument PM: control firmware/software record as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

89 — Time Synchronisation

Controls & Instrument PM: control time synchronisation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

90 — Instrument Calibration Boundary

Controls & Instrument PM: control instrument calibration boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

91 — Refrigerated Dryer Inspection

Dryer & Filtration PM: control refrigerated dryer inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

92 — Refrigeration Condenser Cleaning

Dryer & Filtration PM: control refrigeration condenser cleaning as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

93 — Dryer Drain Check

Dryer & Filtration PM: control dryer drain check as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

94 — Dew-Point Performance

Dryer & Filtration PM: control dew-point performance as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

95 — Adsorption Valve Inspection

Dryer & Filtration PM: control adsorption valve inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

96 — Desiccant Condition Boundary

Dryer & Filtration PM: control desiccant condition boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

97 — Regeneration System

Dryer & Filtration PM: control regeneration system as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

98 — Heater/Blower/Vacuum System

Dryer & Filtration PM: control heater/blower/vacuum system as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

99 — Prefilter Element

Dryer & Filtration PM: control prefilter element as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

100 — Afterfilter Element

Dryer & Filtration PM: control afterfilter element as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

101 — Activated-Carbon Stage

Dryer & Filtration PM: control activated-carbon stage as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

102 — Filter Differential Pressure

Dryer & Filtration PM: control filter differential pressure as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

103 — Bypass Valve State

Dryer & Filtration PM: control bypass valve state as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

104 — Sampling Point

Dryer & Filtration PM: control sampling point as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

105 — Treatment Performance Verification

Dryer & Filtration PM: control treatment performance verification as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

106 — Receiver External Inspection

Receiver Condensate Distribution PM: control receiver external inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

107 — Receiver Drain

Receiver Condensate Distribution PM: control receiver drain as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

108 — Receiver Gauge/Instrument

Receiver Condensate Distribution PM: control receiver gauge/instrument as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

109 — Relief-Device Boundary

Receiver Condensate Distribution PM: control relief-device boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

110 — Receiver Statutory Boundary

Receiver Condensate Distribution PM: control receiver statutory boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

111 — Automatic Drains

Receiver Condensate Distribution PM: control automatic drains as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

112 — Oil-Water Separator

Receiver Condensate Distribution PM: control oil-water separator as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

113 — Condensate Piping

Receiver Condensate Distribution PM: control condensate piping as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

114 — Main-Header Leaks

Receiver Condensate Distribution PM: control main-header leaks as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

115 — Branch Leaks

Receiver Condensate Distribution PM: control branch leaks as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

116 — Supports/Hangers

Receiver Condensate Distribution PM: control supports/hangers as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

117 — Isolation Valves

Receiver Condensate Distribution PM: control isolation valves as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

118 — Regulators

Receiver Condensate Distribution PM: control regulators as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

119 — Flexible Hoses

Receiver Condensate Distribution PM: control flexible hoses as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

120 — Critical Couplings

Receiver Condensate Distribution PM: control critical couplings as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

121 — Ventilation Fan

Compressor Room & Utilities PM: control ventilation fan as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

122 — Louver/Filter

Compressor Room & Utilities PM: control louver/filter as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

123 — Duct Condition

Compressor Room & Utilities PM: control duct condition as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

124 — Hot-Air Recirculation Check

Compressor Room & Utilities PM: control hot-air recirculation check as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

125 — Cooling-Water Strainer

Compressor Room & Utilities PM: control cooling-water strainer as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

126 — Cooling-Water Flow

Compressor Room & Utilities PM: control cooling-water flow as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

127 — Cooling-Water Quality Boundary

Compressor Room & Utilities PM: control cooling-water quality boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

128 — Pump Condition

Compressor Room & Utilities PM: control pump condition as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

129 — Heat Exchanger

Compressor Room & Utilities PM: control heat exchanger as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

130 — Floor Drainage

Compressor Room & Utilities PM: control floor drainage as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

131 — Lighting/Access

Compressor Room & Utilities PM: control lighting/access as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

132 — Lifting/Service Access

Compressor Room & Utilities PM: control lifting/service access as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

133 — Fire/Safety Interface

Compressor Room & Utilities PM: control fire/safety interface as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

134 — Emergency-Air Tie-In

Compressor Room & Utilities PM: control emergency-air tie-in as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

135 — Room Housekeeping

Compressor Room & Utilities PM: control room housekeeping as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

136 — Job-Plan Preparation

Planning Execution Verification: control job-plan preparation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

137 — Parts Reservation

Planning Execution Verification: control parts reservation as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

138 — Tools/Test Equipment

Planning Execution Verification: control tools/test equipment as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

139 — Competence Assignment

Planning Execution Verification: control competence assignment as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

140 — Isolation/Permit Interface

Planning Execution Verification: control isolation/permit interface as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

141 — Pre-Work Baseline

Planning Execution Verification: control pre-work baseline as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

142 — As-Found Record

Planning Execution Verification: control as-found record as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

143 — Task Execution

Planning Execution Verification: control task execution as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

144 — Replacement-Part Traceability

Planning Execution Verification: control replacement-part traceability as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

145 — Cleanliness/Contamination Control

Planning Execution Verification: control cleanliness/contamination control as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

146 — Torque/Setting Evidence Boundary

Planning Execution Verification: control torque/setting evidence boundary as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

147 — As-Left Inspection

Planning Execution Verification: control as-left inspection as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

148 — Functional Test

Planning Execution Verification: control functional test as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

149 — Performance Check

Planning Execution Verification: control performance check as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

150 — Work-Order Technical Closure

Planning Execution Verification: control work-order technical closure as a preventive-maintenance task only when its purpose, applicable asset, operating context, method, evidence requirement, interval or trigger basis, competence and verification are defined. Exact lubricant grades, service intervals, replacement limits, torque values, clearances, electrical tests and pressure-system inspection requirements must come from current equipment documentation or competent project/site procedures. Record abnormal as-found condition and do not close the task until the affected function is restored and verified.

151 — Premium Preventive-Maintenance Task Register

152 — Preventive-Maintenance Interval Matrix

153 — Technical / Preventive-Maintenance Verification Gate

Every PM task has an asset/function and failure-control purpose.

OEM/site/statutory requirements are preserved rather than replaced by generic intervals.

Interval basis is explicit: hours, calendar, cycles, condition or specialist requirement.

Standby assets receive preservation and proof testing despite low hours.

Condition triggers do not silently become arbitrary calendar tasks.

Parts and consumables are verified for exact applicability.

Electrical/pressure-system/safety-sensitive tasks remain competent-discipline governed.

As-found abnormalities generate defects rather than being hidden by PM completion.

As-left condition and configuration are verified.

Intrusive maintenance receives functional/performance checks appropriate to the affected boundary.

Configuration backups/settings are preserved before material controls work.

Maintenance-induced failures feed RCA and task redesign.

Task/interval changes retain revision history and technical reason.

What preventive maintenance does an air compressor need?

Tasks depend on compressor technology, model, duty and environment; commonly inspection, filtration, lubricant/fluid, cooling, drive, drains, controls and performance checks, governed by current documentation.

How often should an air compressor be serviced?

There is no universal interval. Use current manufacturer requirements plus hours, calendar age, starts/cycles, environment, condition and site governance.

Should standby compressors be maintained if they rarely run?

Yes. Low hours do not prove readiness; preservation, batteries/controls, valves and functional proof may still be required.

What should be recorded during PM?

Asset identity, task, source requirement, as-found condition, parts used, readings/settings, defects, as-left verification and follow-up actions.

Can maintenance intervals be extended?

Only through controlled evidence and within warranty/OEM/site requirements; cost reduction alone is not a technical basis.

What is the difference between PM and condition-based maintenance?

PM uses planned recurring actions; condition-based maintenance triggers action from measured degradation. A mature programme can use both.

Should compressor coolers be cleaned on a fixed schedule?

Use current equipment guidance and actual environment/thermal condition; dusty or hot sites may require different attention.

When should filters be replaced?

Use current equipment requirements and applicable condition indicators such as differential pressure where supported; do not invent one universal limit.

Why record as-found condition?

It reveals whether the task was necessary, whether deterioration is changing and whether repeat defects need deeper action.

What should happen after intrusive compressor maintenance?

Verify the affected function through appropriate inspection, leak checks, controls checks and performance/condition baseline as required.