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Run: Cargo Compressor Pre-Start and Running Checks

Cargo Compressor Pre-Start and Running Checks template for gas carriers records the compressor condition, seal integrity, suction conditions, and discharge t...

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Inspection Details

Compressor identification recorded

Record compressor tag number, location, and cargo system served.

Inspection phase selected critical (required)

Select whether this is a pre-start check or running check.

Cargo type recorded

Record the cargo or cargo vapor service for temperature limit verification.

Lube Oil System

Lube oil level within operating range critical (required)

Verify lube oil level is within the manufacturer-specified operating range.

Yes No N/A

Lube oil condition acceptable critical (required)

Check for discoloration, contamination, foaming, or abnormal odor.

Yes No N/A

Lube oil pressure within acceptable range critical (required)

Record actual lube oil pressure and confirm it is within the acceptable operating range.

Note (optional)

Lube oil filters and strainers free of abnormal restriction

Verify no differential pressure alarm, blockage indication, or visible leakage at filters/strainers.

Yes No N/A

Oil Separator and Seal System

Oil separator operating normally critical (required)

Verify the oil separator shows no abnormal carryover, leakage, vibration, or alarm condition.

Yes No N/A

Seal system intact and leak-free critical (required)

Inspect shaft seals or seal arrangements for visible leakage, abnormal noise, or loss of sealing medium.

Yes No N/A

Seal supply pressure within acceptable range critical (required)

Record seal supply pressure and confirm it remains within the manufacturer or vessel procedure limit.

Note (optional)

No visible oil or gas leakage at separator or seal connections critical (required)

Check flanges, drains, vents, and instrument connections for visible leakage.

Yes No N/A

Photo evidence (optional)

Suction Separator and Suction Conditions

Suction separator drained and functioning critical (required)

Verify the suction separator is free of excessive liquid accumulation and drain arrangements are functioning.

Yes No N/A

Suction pressure within operating range

Record suction pressure and confirm it is within the acceptable operating range for the cargo condition.

Note (optional)

Suction line free of abnormal frost, vibration, or noise

Inspect the suction line and separator area for signs of abnormal operation.

Yes No N/A

Running Checks and Temperature Limits

Discharge temperature within cargo-specific limit critical (required)

Record actual discharge temperature and verify it does not exceed the cargo-specific limit defined by the vessel procedure or cargo data sheet.

Compressor vibration and noise normal critical (required)

Check for abnormal vibration, knocking, or noise during operation.

Yes No N/A

Operating parameters stable critical (required)

Verify pressure, temperature, and oil system readings are stable and no active alarms are present.

Yes No N/A

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