3126B Marine Engine Caterpillar

Removal Procedure

Start By:

1. Remove the camshaft idler gear. Refer to Disassembly and Assembly, "Camshaft Idler Gear - Remove and Install".
2. Remove the pistons and connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Remove".

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Illustration 1	g00639918

1. Fasten lifting slings and a hoist to each end of the crankshaft. Refer to Illustration 1.

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Illustration 2	g00609985

2. Remove bolts (2), the washers, and main bearing caps (3). Carefully remove crankshaft (1) from the cylinder block. The weight of the crankshaft is approximately 62 kg (137 lb).

3. Remove the main bearings from the cylinder block. Remove the main bearings from the main bearing caps.