Ingersoll-Rand P185AWIR, Operation And Maintenance Manual

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4IRI8N - 4IRI8T ENGINE Operating & Maintenance Manual
85
SIMPLE ENGINE TROUBLESHOOTING
Table 5: Engine Does Not Start
Table 6: Unstable Engine Running
Cause Corrective Action
Starter Does Not Turn Battery discharged. Bad cable connections. Starter or
starter switch failure.
Starter Turns but engine does not
fire (No Fuel Injection) Engine stop solenoid malfunction
No fuel in fuel tank
Clogged fuel filter element
Air in fuel system
Control rack stuck at no fuel position
Starter Turns (Fuel Injected but
engine does not fire) Incorrect preheating operation
Faulty air heater
Incorrect injection timing
Low cylinder compression pressure
Engine stop solenoid not fully returned
Engine fires but stalls immediately Air in the fuel system
Incorrect low idle speed adjustment
Cause Corrective Action
Unstable Low Idling Crack in injection pipe
Injection nozzle failure
Engine stop solenoid return failure
Uneven compression pressure between cylinders
Incorrect High Idle Speed
Adjustment Incorrect control lever adjustment
Governor internal malfunction
Engine Hunting in Medium Speed
Range Governor spring deteriorated
Insufficient Fuel Supply Air in the fuel system
Clogged fuel filter element
Piping failure (squeezed, restricted)
Engine Malfunction in High Speed
Range Uneven fuel injection amount between cylinders
Deteriorated governor spring
Incorrect valve clearance adjustment
Deteriorated valve spring
Engine Speed Stuck at High Idle Engine control restriction or seizure