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
manufacturer 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
WARNING
Injury hazard: 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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