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– Fault in cold start system.
– Restriction in fuel tank vent.
– Restricted movement of engine speed control.
– Engine temperature is too high.
– Incorrect valve tip clearances.
Vibration
– Fault in atomisers or atomisers of an incorrect
type.
– Restricted movement of engine speed control.
– Engine temperature is too high.
– Fan damaged.
– Fault in engine mounting or flywheel housing.
The pressure of the lubricating oil is too high
– Wrong grade of lubricating oil.
– Defective gauge.
The engine temperature is too high
– Restriction in air filter/cleaner or induction
system.
– Fault in atomisers or atomisers of an incorrect
type.
– Fault in cold start system.
– Restriction in exhaust pipe.
– Fan damaged.
– Too much lubricating oil in sump.
– Restriction in air or coolant passages of radiator.
Crankcase pressure
– Restriction in breather pipe.
– Vacuum pipe leaks or fault in exhauster.
Bad compression
– Restriction in air filter/cleaner or induction
system.
– Incorrect valve tip clearances.
The engine starts and stops
– Dirty fuel filter element.
– Restriction in air filter/cleaner or induction
system.
– Air in fuel system.
The engine shuts down after approx. 15 sec.
– Bad connection towards oil pressure switch/
coolant temperature switch
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