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ISM, ISMe, and QSM11 – Lubricating Oil Degradation (Centinel)

Symptom Tree  t103-2

This is symptom tree t103-2
Cause Correction

Centinel makeup tank is empty

Check makeup tank oil level daily. Add oil if necessary.
 

Lubricating oil lines are bent or crimped

Check to see that all oil lines are free of crimps and sharp bends.

 

Lubricating oil lines leak oil

Check all oil lines and fittings for leaks. Tighten loose fittings and replace leaking oil lines if necessary.
 

Oil temperature never sensed above 125 degrees Fahrenheit.

ECM will not cycle valve below 125 degree Fahrenheit. Confirm proper operation of oil pressure temperature sensor.
 

Oil rifle supply never exceeds 20 psi

Check for restriction from the oil rifle to the Centinel™ valve solenoid.
 

Make-up system not primed

Perform priming procedure. Refer to the Master Repair Manual Centinel™, Bulletin 3666231.
 

Internal Centinel™ valve failure

Replace Centinel™ valve. Refer to the Master Repair Manual Centinel™, Bulletin 3666231.
 
Last Modified:  05-Jan-2004
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