Emergency operation
Operational misfire
A3.12.02.00
M20-M601C
en / 24.06.1996 BA000154 2/2
Ĺ
The permissible surface temperature in misfiring operation is approx. 60 °C.
If heating is only moderate, the power output can be increased in steps up to max. 80 % of the
rated power, which should not be exceeded for thermal reasons.
• At this speed stage, occasionally check the flexible coupling visually and its temperature.
• The defect should be repaired immediately. Before returning to normal operation again, the
flexible coupling should be checked for damage by a specialist of the maker.
Twin engine installations: Shut the defective engine down and run the plant with the other engine
alone.
Defective engines of generating sets should also be shut down. If this is impossible, the emergency
operating mode can be started analoguously with single-engine installations with fixed
CP propeller.
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General