Service manual

4. Troubleshooting
4-8
4.4.3 It will not speed up to rated speed
Fil
ter c
l
ogg
i
ng
Fil
ter c
l
ogg
i
ng
Clean or replace it.
Faulty filter.
Normal
Normal
Replace it.
Check fuel filter.
Faulty
Replace feed pump.
Repair pipes and bleed
air.
Check air filter.
Normal
Faulty
Replace it.
Normal
Pressure drop
Repair the trouble and
get rid of the cause.
Normal
Repair the trouble and
get rid of its cause.
Fuel filter faulty.
Malfunction of fuel feed
pump or fuel pipes
faulty.
Check how fuel
transported or if any
air mixed.
Faulty nozzle.
Check nozzle injection.
Faulty compression.
Check engine
compression.
Maladjustment of
injection pump.