PISTON 1S6511 - Caterpillar

Stopping the engine immediately after it has been working under load can result in overheating and accelerated wear of engine components.Refer to the following procedure to allow the engine to cool and to prevent excessive temperatures in the turbocharger housing, which could cause oil coking problems.
Stopping the Engine from the Operator Station
Illustration 1 g01161179
When the machine is stopped, move the throttle switch (1) downward to the SLOW position in order to reduce the engine speed.
Run the engine for five minutes at low idle.
Turn the key for engine start switch (2) to the OFF position. Remove the key. Emergency Stop
Illustration 2 g01163613
The engine shutdown switch is located on the circuit breaker box on the left side of the machine.
The engine shutdown switch is used to stop the engine in an emergency. Do not use the engine shutdown switch during normal operation. Engine damage may result.
Lift the cover.
Move the engine shutdown switch upward in order to stop the engine. Make sure that the machine is secured.