BA 1001/1501/2001 us – Edition 3.3 * 12001b410.fm 4-1
Malfunctions
4 Malfunctions
The information given in this chapter is provided for maintenance personnel, for fast and
reliable detection of malfunctions and their appropriate repair.
Repairs must only be performed by authorized personnel.
4.1 Engine trouble
Problem Possible causes See
Engine does not start or is not easy to start
Wrong SAE grade of engine lubrication oil 5-32
Fuel grade does not comply with specifications 5-32
Malfunctioning or empty battery 5-29
Loose or oxidized cable connections in starter circuit
Malfunctioning starter, or pinion does not engage
Wrong valve clearance
Malfunctioning fuel injector
Engine starts, but does not run smoothly or faultless
Fuel grade does not comply with specifications 5-32
Wrong valve clearance
Injection line leaks
Malfunctioning fuel injector
Engine overheats. Temperature warning system
responds
Oil level too low 5-10
Oil level too high 5-10
Dirty air filter 5-15
Dirty oil radiator fins
Malfunctioning fuel injector
Insufficient engine output
Oil level too high 5-10
Fuel grade does not comply with specifications 5-32
Dirty air filter 5-15
Wrong valve clearance
Injection line leaks
Malfunctioning fuel injector
Engine does not run on all cylinders
Injection line leaks
Malfunctioning fuel injector
Insufficient or no engine oil pressure
Oil level too low 5-10
Machine inclination too high (max. 25°)
Wrong SAE grade of engine lubrication oil 5-32
Engine oil consumption too high
Oil level too high 5-10
Machine inclination too high (max. 25°)
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