SPACER 3675412 - Caterpillar

Stopping the engine immediately after it has been working under load, can result in overheating and accelerated wear of the engine components.Follow the stopping procedure outlined below, in order to allow the engine to cool and prevent excessive temperatures in the turbocharger center housing, which could cause oil coking problems.
Before stopping the engine, allow the engine to run at low idle with no load for 5 minutes. This procedure allows the hot areas of the engine to cool gradually and the procedure will extend the life of the engine.
Turn the engine start switch to the OFF position. Remove the key.
Be sure that all the controls are in the OFF position. Be sure that all the controls are in the proper position for parking the machine.Engine Shutdown Knobs
Illustration 1 g06332703
Illustration 2 g06244760There is 1 engine shutdown knob on the left side of the machine and 1 engine shutdown knob located near the propel control. Push the knob down to stop the engine. Pull out the knob to disable the engine shutdown.Note: The engine will turn over but will not start if either engine shutdown knob is pushed down. To reset the machine, turn the engine start switch (OFF). Pull out both engine shutdown knobs. Turn the engine start switch ON.