3306B Industrial Engine Caterpillar

Removal Procedure

Start By:

1. Remove the front housing. 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 engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".
4. Remove the oil pan plate. Refer to Disassembly and Assembly, "Engine Oil Pan Plate - Remove and Install".

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Illustration 1	g00503163

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

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Illustration 2	g00503180

2. Remove connecting rod nuts (4) and connecting rod caps (3) from the connecting rods.

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NOTICE
Damage may occur to the fuel injection nozzle or the piston if the piston and connecting rod are pushed too far down in the cylinder liners.

Note: The piston will be difficult to push down into the cylinder when the inlet valves and exhaust valves are closed.

3. Push down on the pistons that are not at the top center position in order to clear the crankshaft.

4. Remove main bearing cap bolts (5) and main bearing caps (6) from the cylinder block.

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Illustration 3	g00503320

5. Remove thrust plates (7) from the rear main bearing.

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Illustration 4	g00503353

6. Install Tool (A) and a suitable lifting device on crankshaft (8), as shown. Lift the crankshaft straight up from the cylinder block. The weight of the crankshaft is 95 Kg (210 lb).

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Illustration 5	g00503384

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

Note: Put identification marks on the bearings and bearing caps prior to removal.

8. Remove the main bearings from the main bearing caps and from the cylinder block. Remove the connecting rod bearings from the connecting rods and from the connecting rod caps.