CORE AS-OIL COOLER 4471191 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-5559 Spark Plug Adapter Wrench 1
B 5P-3931 Anti-Seize Compound - Start By:
Remove the spark plugs.
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.
Drain the coolant from the cooling system to a level below the cylinder head. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00991174
Use Tooling (A) in order to remove spark plug adapters (1) and the gaskets. Installation Procedure
Illustration 2 g00991182
Apply liquid soap to O-ring seal (3). Install a new O-ring seal (3) and gasket (2) on spark plug adapters (1).
Apply Tooling (B) to the threads of the spark plug adapters.
Install the spark plug adapters. Use Tooling (A) in order to tighten the spark plug adapters to a torque of 95 7 N m (70 5 lb ft).
Fill the cooling system with coolant to the correct level. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change". End By:
Install the spark plugs.