Operation0820−1/A1
Winterthur Gas & Diesel Ltd.
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4. Turbocharger
Short, loud noise and at the same time the pressure changes on the air side.
Surges do not have a direct effect on the engine when this occurs at irregular
intervals, but the air flow rate is decreased.
Problem Possible Causes Procedure
Turbochargers surge There is too much load, or the air is not
sufficient.
See the Maintenance Manual
of the turbocharger manufac-
turer and 6606−1, paragraph
3 Air side cleaning of the SAC
during operation
The cylinder is defective (injection, exhaust
valve control)
Do a check of the injection
and exhaust valve control
5. Oil Mist Detector
CAUTION
If an oil mist detector activates an alarm, keep away from engine.
Do not go into the areas adjacent to the explosion relief valves
(see 0460−1 Instructions about the Prevention of Crankcase
Explosions).
Problem Possible Causes Procedure
The oil mist detector gives
alarm
Part of a running is too hot Decrease the load (rpm)
immediately
Stop the engine as soon as
possible
Find the cause, repair as
much as possible (see
0210−1 Safety Precautions
and Warnings and 0840−1
Problems and Damage with
Engine Parts)
2014
Irregular Operation
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