Faults, Causes and Remedies
7
69
Cause
Not declutched (where possible)
Below starting limit temperature
Oil level too low
Oil level too high
Excessive inclination of engine
Incorrect lube oil SAE class or quality
Fuel quality not as per operating manual
Air cleaner clogged / turbocharger defective
Air cleaner service switch / indicator defective
LDA* defective
Charge air line leaking
Oil cooler panels clogged
Cooling fan defective, split or loose V-belt
Cooling air temperature rise / heating short circuit
Resistance in cooling system too great / through-flow quantity too small
Battery defective or discharged
Fault Remedy
Engine fails or is difficult to start Check P
Engine starts but runs unevenly or stalls Adjust E
Engine overheats. Temperature monitor gives warning Replace W
Engine gives poor performance Clean R
Engine not firing on all cylinders Top up A
Engine has little or no oil pressure Lower level S
Engine oil consumption excessive
Engine smokes – blue
– white
– black
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* LDA = Aneroid device
Operation
Operating
media
Combustion air
Cooling system
Electrics
P
P
A
P
S
W
W
P / W
P / W
P
P
P / R
P / W
P
P
P / A
7.1 Diagnosis Chart
Section
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