3306C Truck Engine Caterpillar

Removal Procedure

Start By:

1. Remove the timing gear cover. Refer to Disassembly and Assembly, "Front Housing - Remove" .
2. Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove and Install" .
3. Remove the pistons and the connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Remove" .

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Illustration 1	g00479743

1. Turn the crankshaft until the timing mark "C" on crankshaft gear (1) is aligned with the timing mark "C" on camshaft gear (2) .

2. Make a mark on the teeth of the fuel pump drive gear and the idler gear that is in the engaged position. This is shown in Illustration 1 at location (X) . Make a mark on the engaged teeth of the idler gear and the camshaft gear at location (Y) . This will assist in the correct timing of the camshaft for the fuel injection pump during the installation of the crankshaft.

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Illustration 2	g00479745

3. Fasten a hoist to the crankshaft.

4. Remove the main bearing caps.

5. Remove the crankshaft. The weight of the crankshaft is 95 Kg (210 lb) .

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

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Illustration 3	g00479746

7. Use Tool (A) in order to remove the crankshaft gear and the oil seal wear sleeve.