Operation Manual

Table Of Contents
Section:
Page:
Engine:
Trouble-shooting
The following table specifies the possible causes and remedies for three operating troubles - black, blue and
white exhaust.
Trouble Potential Cause Remedy Section /
Job Card
Poor Combustion: Incomplete Combustion Inspect injectors 07.08.01
Black Exhaust
Low charge air pressure Clean intake air cleaner, 06.03.11
turbocharger, charge air 06.12.01
cooler. Check air piping
gaskets,replace if necessary 06.04.02
Injectors defective Recondition injectors 07.08.01
Engine is run at reduced Reduce load
speed, whereby the
injection pump control
rod is binding.
Inlet and exhaust Adjust valve clearance, 01.01.01
valves leaky if necessary,
regrind valves 01.07.01
Nozzles blocked Clean and check nozzles 07.08.01
Injection out of timing Retime injection 07.06.01
Low combustion / Retime injection; 07.06.01
compression pressure ratio check combustion
Unsuitable fuel Change fuel; Section 6.3
clean nozzles
Engine overloaded Check injection timing 07.06.01
(exhaust smoking) and governing
linkage setting 05.04.14
Section 4.5
7
7-0-10
S/BVM 628
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