C9 Petroleum Engines Caterpillar

Removal Procedure

Start By:

1. Remove the valve mechanism cover base. Refer to Disassembly and Assembly, " Valve Mechanism Cover Base - Remove and Install".

2. Remove the rocker arm and shaft. Refer to Disassembly and Assembly, " Rocker Arm and Shaft - Remove".

3. Remove the electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove".

4. Remove the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".

5. Remove the aftercooler. Refer to Disassembly and Assembly, "Aftercooler - Remove".

6. Remove the fuel filter base. Refer to Disassembly and Assembly, "Fuel Filter Base - Remove and Install".

7. Remove the fan drive. Refer to Disassembly and Assembly, "Fan Drive - Remove".

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Illustration 1	g01140934

1. Disconnect coolant temperature sensor (1).

2. Disconnect inlet air temperature sensor (3).

3. Disconnect inlet air pressure sensor (2).

4. Disconnect fuel return tube assembly (4).
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   Illustration 2	g01436177

5. Disconnect injection actuation pressure sensor (6).

6. Disconnect harness assembly (5).

7. Disconnect harness assembly (7) and harness assembly (8).
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   Illustration 3	g01027265

8. Remove tube assembly (9) from cylinder head (10).
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   Illustration 4	g01140918

9. Remove cylinder head bolts (11). Attach a suitable lifting device to cylinder head (10). The weight of cylinder head (10) is approximately 100 kg (220 lb). Remove the cylinder head from the cylinder block.

10. Remove the cylinder head gasket assembly from the cylinder block.
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    Illustration 5	g01141531

11. Remove plug assemblies (13) and plug assemblies (14) from the cylinder head. Remove the O-ring seal from the plug assemblies.

12. Remove pipe plugs (15) from the cylinder head.

13. If necessary, remove cup plugs (12) from the cylinder head.