TUBE AS 2390172 - Caterpillar

Stopping the engine immediately after it has been working under load can result in overheating and accelerated wear of the engine components.Refer to the following stopping procedure, to allow the engine to cool, and to prevent excessive temperatures in the turbocharger center housing, (if equipped) which could cause oil coking problems.
Stopping The Engine From The Operator Compartment
Note: This procedure is used for shutting down the tractor engine and the scraper engine. When engine start switch (1) is turned to the OFF position, both engines will be shut down.
Use the procedure that is described in Operation and Maintenance Manual, "Stopping the Machine" in order to stop the machine.
Run the engine at low idle for 5 minutes. Do not stop the engine immediately after the engine has been working under load.
Illustration 1 g02725364
Turn engine start switch (1) to the OFF position. Remove the engine start switch key. Stopping The Engine From Outside Of The Operator Compartment
Note: Use the engine shutdown switch only when engine start switch (1) does not work or engine start switch (1) cannot be accessed.
Run the engine at low idle for 5 minutes. Do not stop the engine immediately after the engine has been working under load. Note: You should not stop the engine during or immediately after a regeneration.
Illustration 2 g02126282
Move the engine shutdown switch to the OFF position. Refer to Operation and Maintenance Manual, "Engine Shutdown Switch" for further information. Note: The engine shutdown switch does not shut off the machines electrical system.Stopping The Scraper Engine From The Scraper
Run the engine at low idle for 5 minutes. Do not stop the engine immediately after the engine has been working under load. Note: You should not stop the engine during or immediately after a regeneration.Note: There are two shutdown switches for the scraper engine. Use either switch (2) or switch (3) in order to stop the scraper engine.
Illustration 3 g02126281
Move the engine shutdown switch to the OFF position. Refer to Operation and Maintenance Manual, "Engine Shutdown Switch" for further information. Note: The engine shutdown switch does not shut off the machines electrical system.