Cylinder Head - Remove
Removal Procedure
Start By:
- Remove the camshaft gear. Refer to Disassembly and Assembly, "Camshaft Gear - Remove and Install".
- Remove the aftercooler. Refer to Disassembly and Assembly, "Aftercooler - Remove".
- Remove the control system. Refer to Disassembly and Assembly, "Control System - Remove and Install".
- Remove the electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove".
- Remove the valve mechanism cover base. Refer to Disassembly and Assembly, "Valve Mechanism Cover Base - Remove and Install".
- Remove the exhaust manifolds. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".
- Remove the water temperature regulator. Refer to Disassembly and Assembly, "Water Temperature Regulator Housing - Remove and Install ".
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| NOTICE |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
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| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
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Do not turn the crankshaft or the camshaft while the camshaft gear is removed. If the front gear group is not correctly timed during installation, interference can occur between the pistons and the valves, resulting in damage to the engine. |
- Remove bolts (2) and thrust plate (1) .
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| Illustration 1 | g01067189 |
- Remove sealing plate (3) and adapter assembly (4) .
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| Illustration 2 | g01067187 |
- Remove O-ring seal (5) and O-ring seal (6) from sealing plate (3) .
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| Illustration 3 | g01067186 |
- Remove tube assembly (7) and remove fumes disposal hose (8) .
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| Illustration 4 | g01710517 |
- Disconnect hose (9) and remove tube assembly (10) .
- Remove the fuel manifold (11) and the bracket assembly.
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| Illustration 5 | g01710597 |
- Remove tube assemblies (12) and remove the coolant tube assemblies (13) .
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| Illustration 6 | g01712061 |
- Attach a suitable lifting device to cylinder head (15). The weight of cylinder head (15) is approximately 235 kg (518 lb). Ensure that all of the following items are clear from cylinder head (15) : harness assemblies, tube assemblies and hose assemblies.
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| Illustration 7 | g01712179 |
- Remove cylinder head bolts (14) .
- Carefully remove cylinder head (15) .
- Remove cylinder head gasket (16) .
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| Illustration 8 | g01712197 |
- Remove spacer plate (17) .
- Remove seals (19) and seal (21) .
- Remove spacer plate gasket (20) .
- Remove O-ring seal (18) from the dowel in the cylinder block.
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