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Trouble
Location
Engine
Turbine power
too high, engine
performance and
speed unaltered
Power
turbine
Power
turbine
Vibrations
Power
turbine
Noises on
running down,
time too short,
reluctant starting
Power
turbine
Leaks in the
casing
Power
turbine
Loss of
lubrication oil
Cause
- faults in the injection system
- engine performance higher than
assumed
- injection system incorrectly adjusted
- nozzle ring dirty or partly obstructed
- turbine unbalance due to heavy
contamination of power turbine
- turbine blades or damping wire
damaged
- bearing defect
- bearing damaged
- turbine rubbing
- dirt in power turbine
- foreign bodies in the power turbine
- cracks due to thermal tension:
insufficient ventilation
insufficient cooling water
dirt in cooling water space
- piston ring (21004) worn out
or damaged
- sealing air duct X obstructed
- gasket ring (34003) damaged
Remedy
- adjust correctly
- check engine performance
- adjust correctly
- clean
- remove and clean,
call service station
- replace turbine
- replace bearing, seek possible
cause
- replace bearing
- call service station
- clean
- call service station, replace
damaged parts
- replace casing
- provide better ventilation
- check and top up
- clean
- replace piston ring
- clean
- replace gasket ring
see
chap. 3
chap. 5
chap. 5
chap. 5
chap. 5
chap. 8
chap. 3
chap. 8
chap. 3
chap. 5
chap. 3
chap. 5
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