C7 PETROLEUM Petroleum Engine Caterpillar

Installation Procedure

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Illustration 1	g01518876

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Illustration 2	g01183163

1. Attach a suitable lifting device to cylinder head (3). The weight of cylinder head (3) is approximately 100 kg (220 lb). Position the gasket and cylinder head (3) onto the dowels in the cylinder block.

2. Apply Tooling (A) to the threads of bolts (1) and the washers. Apply Tooling (B) to the threads of bolts (2) and the washers. Install bolts (1) and bolts (2).

3. Tighten the cylinder head bolts according to the following procedure:

   1. Tighten Bolt (1) through Bolt (14) in a numerical sequence to a torque of 300 ± 15 N·m (221 ± 11 lb ft).

   2. Loosen Bolt (1) through Bolt (14) until the washers are loose under the bolt heads.

   3. Tighten Bolt (1) through Bolt (14) in a numerical sequence to a torque of 130 ± 15 N·m (95 ± 11 lb ft).

   4. Tighten Bolt (1) through Bolt (14) again in a numerical sequence to a torque of 130 ± 15 N·m (95 ± 11 lb ft).

   5. Turn Bolt (1) through Bolt (14) in a numerical sequence for an additional 90° (1/4 turn).

   6. Tighten Bolt (15) through Bolt (20) in a numerical sequence to a torque of 55 ± 7 N·m (41 ± 5 lb ft).

4. Connect tube assembly (8) and tube assembly (5).

5. Connect harness assembly (4).

6. Install fan support (6) and bolts (7).

End By:

1. Install the fan drive. Refer to Disassembly and Assembly, "Fan Drive - Install".

2. Install the aftercooler. Refer to Disassembly and Assembly, "Aftercooler - Install".

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

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

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

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