Operation Manual

Section:
Page:
Engine:
Trouble-shooting
Trouble Potential Cause Remedy Section /
Job Card
Free the fuel low pressure Section 6.3
system, the injection
pumps, piping and
valves.
Insufficient engine fluid Switch on the coolant Section 4.1.1
pre-heating device -
to preheat.
Faulty injection pump Check injection pump, 01.07.01
operation replace defective pump
element, if necessary.
07.02.01
Test injectors 07.08.01
Inlet / exhaust valve jam- Check valve springs.
med or has serious leak Clean valves with a
(no compression), free mixture of 50% gas oil
as required. and 50% lubricating oil.
Check valve shaft for signs
of run-out. Regrind valves,
if necessary 01.07.01
Insufficient compression, Remove piston and clean; 02.10.01
Piston rings are defective. replace rings
Injection pump control Free as required 05.04.14
rod or governor needle 07.01.01
binding?
Firing speed not reached? Inspect for defects like
seizures of piston or
bearings
Engine fails Low compression. Replace piston rings, 02.10.01
to develop full power Piston rings damaged. if applicable
Inlet / exhaust valve leaky Regrind valve 01.07.01
Nozzles blocked by carbon; Clean nozzles or replace 07.08.01
needles seized
Injection pump element Replace element 07.02.01
seized
7
7-0-04
S/BVM 628
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