Atlas Copco QAS 108JD Manuel D'instructions page 17

POSSIBLE CAUSE
SYMPTOM
Lack of power
Engine overloaded.
Intake air restriction.
Clogged fuel filter.
Improper type of fuel.
Overheated engine.
Below normal engine temperature.
Improper valve clearance.
Dirty or faulty injection nozzles.
Injection pump out of time.
Turbocharger not functioning.
Leaking exhaust manifold gasket.
Defective aneroid control line.
Restricted fuel hose.
Low fast idle.
Low oil pressure
Low oil Level.
Improper type of oil.
High oil consumption
Crankcase oil too light.
Oil Leaks.
Restricted crankcase vent tube.
Defective turbocharger.
Engine emits white smoke
Improper type of fuel.
Low engine temperature.
Defective thermostat.
Defective injection nozzles.
Engine out of time.
1310 3011 38
CORRECTIVE ACTION
Reduce load.
Service air cleaner.
Replace filter elements.
Use proper fuel.
See "Engine Overheats".
Remove and check thermostat.
See your authorized servicing dealer or engine distributor.
See your authorized servicing dealer or engine distributor.
See your authorized servicing dealer or engine distributor.
See your authorized servicing dealer or engine distributor.
See your authorized servicing dealer or engine distributor.
See your authorized servicing dealer or engine distributor.
Clean or replace hose.
See your authorized servicing dealer or engine distributor.
Add oil.
Drain, fill crankcase with proper viscosity and quality.
Use proper viscosity oil.
Check for leaks in lines, gaskets, and drain plug.
Clean vent tube.
See your authorized servicing dealer or engine distributor.
Use proper fuel.
Warm up engine to normal operating temperature.
Remove and check thermostat.
See your authorized servicing dealer or engine distributor.
See your authorized servicing dealer or engine distributor.
17