Removal from operation
Placing out of service/stopping
A3.07.18.01
M20/M25/M32
en / 25.03.1997 BA000102 1/2
Ĺ
The scope of this placement from service deals exlusively with the engine stop procedure on the
generator engine.The function of the remote control within the Caterpillar / MaK scope of supply, is
described by a functional diagram in the documentation (see book C).
Attention:
Avoid sudden stops under load!
Before stopping the engine, run it under low load or let it idle for about 5 minutes!
If the engine has to be stopped under load, always cool the engine, see “Cooling”!
Operation directly at the generator engine
Engine stop
• Switch position selector in the board to “2 = OFF”.
• Set revolution speed by means of speed revolution head at the mechanic-electric governor to
n
min
.
• Stop the engine by manual operation of the starter magnetic valve.
• Close the isolating valves on the starting air bottles and fuel day tank.
Engine emergency stop
• Place the emergency cut out lever on the console into the stop position or
• Activate external emergency stop device.
• Close the isolating valves on the starting air bottles and fuel day tank.
Note:
After actuation of the external emergency stop device, the button “Reset” at the safety
system is to be actuated!
Cooling
If the engine has be stopped under load, ensure that it is being cooled for approx. 5 min. to avoid the
formation of steam bubbles.
• If the coolant water pump is independent: electrical pumps should be left in operation.
• If the pumps are engine-driven: start the standby or preheating pump.
• Various engines with mutual preheating: operate the valves according to the piping dia-
gram.
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