Oil Separator & Air/Oil Separation Performance Engineering

OIL SEPARATOR & AIR/OIL SEPARATION PERFORMANCE ENGINEERING

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A separator element is not just a consumable. it is part of the compressor's pressure, lubricant-recovery, air-quality and energy system

Separation performance depends on the separator vessel and internal geometry, element, oil level, scavenge or return line, minimum-pressure function, lubricant condition, operating pressure, flow, temperature and maintenance quality.

Two failure directions matter: excessive restriction can increase internal pressure loss and energy burden, while poor separation or failed oil recovery can increase downstream oil carryover and lubricant consumption. Exact separator differential-pressure limits, carryover values, element construction, vessel arrangement, torque values and service criteria remain compressor-model and manufacturer-specific.

1 — Compressor Identity

Separation-System Foundation: govern compressor identity as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

2 — Separator-Vessel Identity

Separation-System Foundation: govern separator-vessel identity as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

3 — Separator-Element Identity

Separation-System Foundation: govern separator-element identity as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

4 — Separation Architecture

Separation-System Foundation: govern separation architecture as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

5 — Internal/External Element Boundary

Separation-System Foundation: govern internal/external element boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

6 — Lubricant Identity

Separation-System Foundation: govern lubricant identity as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

7 — Operating Pressure

Separation-System Foundation: govern operating pressure as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

8 — Operating Temperature

Separation-System Foundation: govern operating temperature as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

9 — Airflow/Load State

Separation-System Foundation: govern airflow/load state as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

10 — Oil Level

Separation-System Foundation: govern oil level as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

11 — Minimum-Pressure Function

Separation-System Foundation: govern minimum-pressure function as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

12 — Scavenge/Return System

Separation-System Foundation: govern scavenge/return system as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

13 — Dp Measurement

Separation-System Foundation: govern DP measurement as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

14 — Carryover Evidence

Separation-System Foundation: govern carryover evidence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

15 — Revision Control

Separation-System Foundation: govern revision control as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

16 — Bulk Separation

Separation Physics Boundary: govern bulk separation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

17 — Velocity Reduction

Separation Physics Boundary: govern velocity reduction as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

18 — Direction Change

Separation Physics Boundary: govern direction change as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

19 — Centrifugal Effect Boundary

Separation Physics Boundary: govern centrifugal effect boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

20 — Coalescence

Separation Physics Boundary: govern coalescence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

21 — Fine-Droplet Capture

Separation Physics Boundary: govern fine-droplet capture as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

22 — Drainage

Separation Physics Boundary: govern drainage as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

23 — Pressure Influence

Separation Physics Boundary: govern pressure influence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

24 — Temperature Influence

Separation Physics Boundary: govern temperature influence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

25 — Oil-Viscosity Context

Separation Physics Boundary: govern oil-viscosity context as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

26 — Flow Velocity

Separation Physics Boundary: govern flow velocity as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

27 — Element Loading

Separation Physics Boundary: govern element loading as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

28 — Residence-Time Boundary

Separation Physics Boundary: govern residence-time boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

29 — Foam Influence

Separation Physics Boundary: govern foam influence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

30 — Design-Specific Geometry

Separation Physics Boundary: govern design-specific geometry as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

31 — Element Applicability

Separator Element Condition: govern element applicability as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

32 — Media Condition

Separator Element Condition: govern media condition as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

33 — Element Loading

Separator Element Condition: govern element loading as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

34 — Collapsed Element

Separator Element Condition: govern collapsed element as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

35 — Damaged Element

Separator Element Condition: govern damaged element as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

36 — Poor Sealing

Separator Element Condition: govern poor sealing as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

37 — Gasket/Seal Condition

Separator Element Condition: govern gasket/seal condition as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

38 — Flange Condition

Separator Element Condition: govern flange condition as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

39 — Incorrect Installation

Separator Element Condition: govern incorrect installation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

40 — Contamination

Separator Element Condition: govern contamination as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

41 — Varnish/Deposit Boundary

Separator Element Condition: govern varnish/deposit boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

42 — Water Contamination

Separator Element Condition: govern water contamination as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

43 — Service Age/Hours

Separator Element Condition: govern service age/hours as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

44 — Dp Trend

Separator Element Condition: govern DP trend as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

45 — Post-Replacement Baseline

Separator Element Condition: govern post-replacement baseline as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

46 — Separator Inlet Pressure

Differential-Pressure Engineering: govern separator inlet pressure as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

47 — Separator Outlet Pressure

Differential-Pressure Engineering: govern separator outlet pressure as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

48 — Dp Measurement Point

Differential-Pressure Engineering: govern DP measurement point as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

49 — Dp Sensor Identity

Differential-Pressure Engineering: govern DP sensor identity as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

50 — Sensor Range

Differential-Pressure Engineering: govern sensor range as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

51 — Sensor Plausibility

Differential-Pressure Engineering: govern sensor plausibility as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

52 — Flow Dependency

Differential-Pressure Engineering: govern flow dependency as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

53 — Pressure Dependency

Differential-Pressure Engineering: govern pressure dependency as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

54 — Temperature Context

Differential-Pressure Engineering: govern temperature context as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

55 — Clean-Element Baseline

Differential-Pressure Engineering: govern clean-element baseline as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

56 — Loaded-Element Trend

Differential-Pressure Engineering: govern loaded-element trend as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

57 — Rapid Dp Rise

Differential-Pressure Engineering: govern rapid DP rise as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

58 — High-Flow Dp

Differential-Pressure Engineering: govern high-flow DP as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

59 — Alarm/Service Boundary

Differential-Pressure Engineering: govern alarm/service boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

60 — Energy Consequence

Differential-Pressure Engineering: govern energy consequence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

61 — Carryover Symptom

Oil Carryover Engineering: govern carryover symptom as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

62 — Oil Consumption Trend

Oil Carryover Engineering: govern oil consumption trend as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

63 — Downstream Oil Evidence

Oil Carryover Engineering: govern downstream oil evidence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

64 — Separator Outlet Condition

Oil Carryover Engineering: govern separator outlet condition as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

65 — Scavenge Function

Oil Carryover Engineering: govern scavenge function as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

66 — Oil Level Influence

Oil Carryover Engineering: govern oil level influence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

67 — Operating Pressure Influence

Oil Carryover Engineering: govern operating pressure influence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

68 — Temperature Influence

Oil Carryover Engineering: govern temperature influence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

69 — Lubricant Foaming

Oil Carryover Engineering: govern lubricant foaming as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

70 — Wrong Lubricant Boundary

Oil Carryover Engineering: govern wrong lubricant boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

71 — Element Damage

Oil Carryover Engineering: govern element damage as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

72 — Seal Bypass

Oil Carryover Engineering: govern seal bypass as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

73 — Minimum-Pressure Interaction

Oil Carryover Engineering: govern minimum-pressure interaction as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

74 — Measurement Boundary

Oil Carryover Engineering: govern measurement boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

75 — Process Consequence

Oil Carryover Engineering: govern process consequence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

76 — Scavenge Line

Scavenge / Oil-Return Reliability: govern scavenge line as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

77 — Pickup Point

Scavenge / Oil-Return Reliability: govern pickup point as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

78 — Orifice/Restrictor Boundary

Scavenge / Oil-Return Reliability: govern orifice/restrictor boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

79 — Check Valve Boundary

Scavenge / Oil-Return Reliability: govern check valve boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

80 — Line Blockage

Scavenge / Oil-Return Reliability: govern line blockage as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

81 — Line Leak

Scavenge / Oil-Return Reliability: govern line leak as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

82 — Incorrect Routing

Scavenge / Oil-Return Reliability: govern incorrect routing as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

83 — Pickup Depth Boundary

Scavenge / Oil-Return Reliability: govern pickup depth boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

84 — Return Destination

Scavenge / Oil-Return Reliability: govern return destination as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

85 — Oil Return Observation

Scavenge / Oil-Return Reliability: govern oil return observation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

86 — Maintenance Cleanliness

Scavenge / Oil-Return Reliability: govern maintenance cleanliness as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

87 — Wrong Component

Scavenge / Oil-Return Reliability: govern wrong component as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

88 — Post-Service Function

Scavenge / Oil-Return Reliability: govern post-service function as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

89 — Carryover Correlation

Scavenge / Oil-Return Reliability: govern carryover correlation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

91 — Minimum-Pressure Valve

Minimum-Pressure & Check-Valve Interaction: govern minimum-pressure valve as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

92 — Opening Behaviour

Minimum-Pressure & Check-Valve Interaction: govern opening behaviour as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

93 — Closing Behaviour

Minimum-Pressure & Check-Valve Interaction: govern closing behaviour as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

94 — Separator-Vessel Pressure

Minimum-Pressure & Check-Valve Interaction: govern separator-vessel pressure as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

95 — Low-Pressure Operation

Minimum-Pressure & Check-Valve Interaction: govern low-pressure operation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

96 — Startup Condition

Minimum-Pressure & Check-Valve Interaction: govern startup condition as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

97 — Shutdown Condition

Minimum-Pressure & Check-Valve Interaction: govern shutdown condition as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

98 — Backflow Prevention

Minimum-Pressure & Check-Valve Interaction: govern backflow prevention as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

99 — Valve Contamination

Minimum-Pressure & Check-Valve Interaction: govern valve contamination as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

100 — Spring/Seat Boundary

Minimum-Pressure & Check-Valve Interaction: govern spring/seat boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

101 — Pressure-Control Interaction

Minimum-Pressure & Check-Valve Interaction: govern pressure-control interaction as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

102 — Carryover Interaction

Minimum-Pressure & Check-Valve Interaction: govern carryover interaction as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

103 — Lubrication Interaction

Minimum-Pressure & Check-Valve Interaction: govern lubrication interaction as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

104 — Functional Verification

Minimum-Pressure & Check-Valve Interaction: govern functional verification as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

105 — Model-Specific Setting

Minimum-Pressure & Check-Valve Interaction: govern model-specific setting as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

106 — Lubricant Identity

Lubricant / Fluid Interaction: govern lubricant identity as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

107 — Viscosity Context

Lubricant / Fluid Interaction: govern viscosity context as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

108 — Fluid Age

Lubricant / Fluid Interaction: govern fluid age as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

109 — Oxidation

Lubricant / Fluid Interaction: govern oxidation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

110 — Water Contamination

Lubricant / Fluid Interaction: govern water contamination as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

111 — Mixed-Fluid Risk

Lubricant / Fluid Interaction: govern mixed-fluid risk as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

112 — Foaming

Lubricant / Fluid Interaction: govern foaming as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

113 — Air Release Boundary

Lubricant / Fluid Interaction: govern air release boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

114 — Additive Compatibility Boundary

Lubricant / Fluid Interaction: govern additive compatibility boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

115 — Thermal Degradation

Lubricant / Fluid Interaction: govern thermal degradation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

116 — Contamination Load

Lubricant / Fluid Interaction: govern contamination load as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

117 — Oil Level High

Lubricant / Fluid Interaction: govern oil level high as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

118 — Oil Level Low

Lubricant / Fluid Interaction: govern oil level low as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

119 — Oil-Analysis Correlation

Lubricant / Fluid Interaction: govern oil-analysis correlation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

120 — Post-Fluid-Change Observation

Lubricant / Fluid Interaction: govern post-fluid-change observation as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

121 — High Flow

Operating-Condition Effects: govern high flow as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

122 — Low Flow

Operating-Condition Effects: govern low flow as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

123 — High Pressure

Operating-Condition Effects: govern high pressure as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

124 — Low Pressure

Operating-Condition Effects: govern low pressure as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

125 — High Temperature

Operating-Condition Effects: govern high temperature as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

126 — Low Temperature

Operating-Condition Effects: govern low temperature as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

127 — Rapid Cycling

Operating-Condition Effects: govern rapid cycling as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

128 — Prolonged Unload

Operating-Condition Effects: govern prolonged unload as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

129 — Vsd Low-Speed Boundary

Operating-Condition Effects: govern VSD low-speed boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

130 — Startup Transient

Operating-Condition Effects: govern startup transient as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

131 — Shutdown Transient

Operating-Condition Effects: govern shutdown transient as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

132 — Ambient Effect

Operating-Condition Effects: govern ambient effect as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

133 — Altitude Boundary

Operating-Condition Effects: govern altitude boundary as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

134 — Demand Change

Operating-Condition Effects: govern demand change as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

135 — State-Matched Comparison

Operating-Condition Effects: govern state-matched comparison as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

136 — As-Found Dp

Maintenance & Failure Diagnosis: govern as-found DP as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

137 — As-Found Oil Level

Maintenance & Failure Diagnosis: govern as-found oil level as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

138 — Element Inspection

Maintenance & Failure Diagnosis: govern element inspection as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

139 — Seal Inspection

Maintenance & Failure Diagnosis: govern seal inspection as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

140 — Scavenge Inspection

Maintenance & Failure Diagnosis: govern scavenge inspection as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

141 — Minimum-Pressure Check

Maintenance & Failure Diagnosis: govern minimum-pressure check as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

142 — Lubricant Check

Maintenance & Failure Diagnosis: govern lubricant check as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

143 — Sensor Verification

Maintenance & Failure Diagnosis: govern sensor verification as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

144 — Downstream Evidence

Maintenance & Failure Diagnosis: govern downstream evidence as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

145 — Oil-Consumption History

Maintenance & Failure Diagnosis: govern oil-consumption history as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

146 — Root-Cause Review

Maintenance & Failure Diagnosis: govern root-cause review as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

147 — Element Replacement

Maintenance & Failure Diagnosis: govern element replacement as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

148 — Cleanliness Control

Maintenance & Failure Diagnosis: govern cleanliness control as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

149 — As-Left Dp

Maintenance & Failure Diagnosis: govern as-left DP as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

150 — Post-Service Carryover Check

Maintenance & Failure Diagnosis: govern post-service carryover check as part of the complete air/oil separation and lubricant-recovery system. Record exact compressor and separator identity, lubricant, flow/load, vessel pressure, temperature, differential pressure, oil level, scavenge condition, measurement method, baseline, trend and evidence confidence. Do not apply a generic separator DP or oil-carryover limit to every compressor. Separate element restriction, seal bypass, scavenge failure, fluid condition, minimum-pressure behaviour and operating-state effects before replacing parts.

151 — Premium Air/Oil Separation Register

152 — Separation Diagnostic Matrix

153 — Differential Pressure Is a Performance Signal

Separator DP is meaningful only with defined measurement points and operating flow/pressure/temperature. Trend against a clean accepted baseline under comparable state; do not use one generic service threshold.

154 — Oil Carryover Is a System Symptom

Carryover can arise from element damage, sealing bypass, blocked or incorrect scavenge return, oil overfill, fluid foaming, unsuitable operating pressure or other model-specific causes. Diagnose the system before condemning the element.

155 — Scavenge-System Engineering

The oil-return path is essential to recovering coalesced lubricant. Exact orifice, pickup position, valve arrangement and routing are model-specific. Preserve cleanliness and verify function after separator service.

156 — Minimum-Pressure Interaction

Minimum-pressure/check-valve behaviour can influence vessel pressure, lubrication and separation. Exact opening/setting values remain equipment-specific and should not be altered generically.

157 — Separator Replacement Work-Pack

Verify exact element applicability, seals/gaskets, cleanliness, vessel condition, scavenge components, manufacturer assembly requirements, as-found DP/carryover evidence and post-service verification.

158 — Technical / Separation Verification Gate

Verify element/vessel identity, lubricant, DP points, sensor plausibility, operating state, oil level, scavenge and minimum-pressure function. No universal DP, carryover or replacement interval is invented.

160 — AEO / Engineering FAQ Layer

Answer why separator DP rises, what causes oil carryover, why scavenge lines matter, how oil level and fluid condition affect separation, and why generic separator-change limits should not be invented.