Case

Major Overhaul Case

Ingersoll-Rand 4R2MSGEP+ 3ARCD/30


Model:

Ingersoll-Rand 4R2MSGEP+ 3ARCD/30

Issue:

Multiple alarms were triggered during operation, including high-temperature warnings and excessive vibration faults.

On-site condition:

(1) Increased bearing temperature of the unit; (2) Elevated lubricating oil supply temperature for the unit; (3) Higher inlet air temperature at P1S2; (4) Sudden, unexplained surge in vibration leading to a trip and shutdown prior to Level 1 vibration; (5) Oil leakage observed in the unit's lubrication system.

Maintenance plan:

Overhaul tasks include replacing bearings at all levels of the main unit, renewing oil and gas seals, and re-aligning the compressor.

Result:

Achieved the customer's go-live milestone ahead of schedule—equipment is now running smoothly and reliably.

RoyalTurbo Engineering (Hangzhou) Co., Ltd.

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