C18 Marine Engines Caterpillar

Removal Procedure

Start By:

1. Remove the engine oil pump.

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Illustration 1	g01004705

1. Use Tooling (A) to rotate the crankshaft in order to gain access to the piston cooling jet.

2. Remove bolt (1) and piston cooling jet (2).

Installation Procedure

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Illustration 2	g01004705

1. Use Tooling (A) to rotate the crankshaft in order to gain access to the piston cooling jet.

2. Install piston cooling jet (2) and bolt (1). Tighten bolt (1) to a torque of 25 ± 6 N·m (18 ± 4 lb ft). If bolt (1) is a 7/16 inch bolt, tighten bolt (1) to a torque of 40 ± 8 N·m (30 ± 6 lb ft).

3. Check the clearance between the piston, the piston cooling jet, and the crankshaft.

   Minimum permissible clearance between the piston, the piston cooling jet, and the crankshaft ... 0.63 mm (0.025 inch)

End By:

1. Install the engine oil pump.