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Stopping the engine immediately after it has been working under load can result in overheating and accelerated wear of the engine components. If the engine has been operating at high rpm and/or high loads, run at low idle for at least three minutes to reduce and stabilize internal engine temperature before stopping the engine. Avoiding hot engine shutdowns will maximize turbocharger shaft and bearing life. |
- Open the main circuit breaker in order to disengage the driven equipment.
- Use one of the following methods in order to stop the engine:
Note: If the cooldown feature is not utilized, operate the engine for a cooldown period before stopping the engine. After the driven equipment is disengaged, allow the engine to operate at rated rpm for five minutes. Then stop the engine.
- For all control panels, turn the engine control switch to the "OFF/RESET" position. The engine will immediately shut off.
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Illustration 1 g00320124
Engine control switch in the "OFF/RESET" position
- For engines with the EMCP II+ or the EMCP II control panel, the engine control switch may be turned to the "COOLDOWN/STOP" position. If the cooldown feature is utilized, the engine will operate for a programmed period of time before the engine stops. Otherwise, the engine will immediately shut off.
- For engines with the Switchgear Conversion control panel, the engine will stop if the engine control switch is turned to the "Service" position. The Caterpillar Monitoring System will remain energized. This position of the engine control switch is used in order to program the Caterpillar Monitoring System.
The engine will coast to a stop. Ensure that any system that provides external support to the engine is secured after the engine is stopped.
Automatic Stopping
Automatic stopping will occur when the engine is operating in the automatic mode and the remote start/stop initiate contact opens. If the cooldown feature is utilized, the engine will operate for a programmed period of time before the engine stops. Otherwise, the engine will immediately shut off.