C3.3 Industrial Engine Caterpillar

Installation Procedure

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Illustration 1	g01041195

1. Clean the mating surfaces of the oil cooler base (9) and the oil cooler body (4). If the oil cooler base (9) was removed, clean the mating surfaces of the oil cooler base and the cylinder block.
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   Illustration 2	g01041030
   Tightening sequence

   Note: Do not use sealant on the new joint between the cylinder block and the oil cooler base (9).

2. If the oil cooler base (9) was removed from the cylinder block, install setscrews into setscrew holes (1) and (6) in the oil cooler base. Install a new joint onto the two setscrews and secure the oil cooler base (9) to the cylinder block. Install the remainder of the setscrews (8). Tighten the setscrews (8) in the sequence 1, 2, 3, 4, 5, and 6 to a torque of 22 N·m (16 lb ft). Refer to the illustration 2.
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   Illustration 3	g01041194

3. Install new O-rings (5) and (6) onto the oil cooler body (4). Position the oil cooler body (4) onto the oil cooler base (9).

4. Install a new sealing ring (7) onto the adapter (3). Install the adapter (3) through the oil cooler body (4) and into the oil cooler base (9). Tighten the adapter (3) to a torque of 57 N·m (42 lb ft).

5. Install the appropriate hose to the coolant outlet (2). Tighten the hose clamp to a torque of 3.5 N·m (31 lb in).

6. Install the appropriate hose to the coolant inlet (1). Tighten the hose clamp to a torque of 3.5 N·m (31 lb in).

7. Fill the cooling system with coolant. Fill the lubrication system with engine oil. Refer to the Operation and Maintenance Manual, "Refill Capacities" for the cooling system capacity and for the lubrication system capacity of the engine.