VARISTOR 5036970 - 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 cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure 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 Coolant Additive contains alkali. Avoid contact with skin and eyes.
Refer to Operation and Maintenance Manual Cooling System Coolant (ELC)-Change for the correct draining and filling procedure.
Illustration 1 g03275697
Disconnect hose assembly (1) and hose (2) .
Illustration 2 g03277043
Remove bolts (3) .
Illustration 3 g03276956
Remove bolts (4) and heat exchanger (5) .Installation Procedure
Install heat exchanger (5) in the reverse order of removal