FLANGE 3236565 - Caterpillar

Removal Procedure
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Conditioner contains alkali. Avoid contact with skin and eyes.
Illustration 1 g06084737
Open the right side access door. Turn the battery disconnect switch to the OFF position.
Open engine access door (1).
Illustration 2 g06084746
Drain the coolant from expansion tank (3) into a suitable container for storage or disposal.
Loosen the clamps and remove hoses (4) from expansion tank (3).
Remove bolts (2) and expansion tank (3).Install Procedure
Install expansion tank (3) in reverse order of the removal procedure.
Fill expansion tank (3) with coolant. Refer to Operation and Maintenance Manual for the correct procedure.