COVER-OIL PUMP 7S4627 - Caterpillar

Illustration 1 g00280785
The cooling system pressure cap is under the access cover on the top, left side of the radiator guard.
Illustration 2 g00314623
Open access door (1). Remove cooling system pressure cap (2) slowly in order to relieve the pressure.
Maintain the coolant level at 13 mm (0.5 inch) from the bottom of the filler pipe. If it is necessary to add coolant daily, check the system for leaks.
Install the cooling system pressure cap. Close the access door.
Inspect the radiator core for debris. Clean the radiator core, if necessary.Use compressed air, high pressure water, or steam in order to remove dust and debris from the radiator core. However, the use of compressed air is preferred.