PAN GP-OIL 4231280 - Caterpillar

Stopping the engine immediately after it has been working under load can result in overheating and accelerated wear of engine components.Excessive temperatures in the turbocharger centerhousing will cause oil coking problems.Allow the engine to gradually cool before stopping the engine
Note: Remove the load at a rate that will avoid detonation.
Disengage or unload the driven equipment.
For generator set engines, open the main circuit breaker.
For industrial engines, unload the compressor or pump. Disengage the clutch (if equipped). Place the transmission and/or other attachments for the power take-off in NEUTRAL. Note: Extended idling can cause excessive oil consumption and related problems. See this Operation and Maintenance Manual, "Engine Operation" topic (Operation Section).
Reduce the engine rpm to low idle. Note: If the cooldown feature is not utilized, operate the engine at low idle rpm for a cooldown period of approximately one to two minutes before stopping the engine.
Use one of the following methods in order to stop the engine:
Illustration 1 g00825057
Engine control switch in the "STOP" position
Turn the engine control switch to the "STOP" position.
If the engine control switch is in the "AUTO" position, the engine will stop when 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. When the engine rpm is reduced to approximately 100 rpm, the postlube cycle will operate for approximately 180 seconds.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. Turn off the auxiliary systems for engine operation after the engine is stopped.The power to the control panel will be maintained until the engine control switch is turned to the "OFF/RESET" position.