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9 Troubleshooting
Fault finding table
9 Engine oil consumption excessive
Possible fault
Remedy
Oil level too high.
Lower level.
Incorrect lube oil SAE class or
quality for ambient tempera-
ture.
Replace.
Leak in lubricating oil system.
Repair / replace.
Crank case vapour condenser
clogged .
Replace
Insufficient intake air.
Check.
Excessive wear of cylinder/
piston.
Check compression; overhaul
engine.
Turbocharger oil leaks .
Replace or repair.
Engine overloaded.
Check size of propeller. Clean
the propeller.
Excessive inclination of en-
gine.
Check / Adjust.
10 Fuel consumption excessive
Possible fault
Remedy
Faulty injector/injector pump.
Check, replace if necessary.
Incorrect fuel quality or dirty
fuel.
Check fuel. Drain and rinse fuel
tank. Replace with new fuel.
Fuel leaks .
Check and repair.
Incorrect injection timing.
Check / adjust.
Insufficient air intake.
Check.
Excessive wear of cylinder /
piston.
Check compression; refurbish
engine.
Summary of Contents for DT4.70
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