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3
Technical information
TROUBLE
POSSIBLE CAUSE
High oil level
Low oil level
Dirty or blocked pressure regulation valve
Worn oil pump
Air to the oil suction hose
Faulty manometer or pressure switch
Oil in sump suction hose blocked
Oil in sump drainage pipe blocked
Faulty spray nozzles (Turbo engines only)
Damaged injector
Damaged injection pump valve
Incorrectly calibrated injector
Worn or damaged pumping element
Incorrect injection pump delivery setting (delivery equalisation)
Hardened pump/injector control rod
Cracked or broken pre-combustion chamber
Incorrect adjustment of the injection systems (delivery equalisa-
tion advance)
Insufficient refrigerant fluid
Defective fan, radiator, or radiator cap
Defective thermostatic valve
Loss of refrigerant fluid from the radiator, hoses, engine crankshaft
or water pump.
Inside of radiator or coolant lines obstructed.
Defective or worn water pump
Alternator fan drive belt loose or torn
Heat exchange surface of the radiator clogged
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KD 702_1003_1404 Workshop Manual_cod. ED0053029340_1° ed_
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