C7.1 Marine Engine Caterpillar

Removal Procedure

Start By:

1. Remove the engine oil pump.

1. If the crankshaft is installed, rotate the crankshaft to gain access to the piston cooling jet.
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   Illustration 1	g01340939

2. Remove bolt (1) and piston cooling jet (2) from the cylinder block.

3. Repeat step 1 and step 2 for the remaining piston cooling jets.

Installation Procedure

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Illustration 2	g01340940

1. Clean the piston cooling jets and inspect the piston cooling jets for damage. Ensure that the valve is free to move within each piston cooling jet. Replace any damaged piston cooling jets. The procedure for checking the alignment of the piston cooling jets is described in Specifications, "Piston Cooling Jet Alignment".

2. If the crankshaft is installed, rotate the crankshaft to access the mounting flange for the piston cooling jet.

3. Position piston cooling jet (2) in the cylinder block. Install bolt (1). Tighten bolt (1) to a torque of 9 N·m (80 lb in).

4. Repeat step 2 through step 3 for the remaining piston cooling jets.

End By:

1. Install the engine oil pump.