EXTENSION 6P9472 - Caterpillar

Removal Procedure
Start By:
Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove".
Remove the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".
Remove the rocker shaft and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
Remove the fuel injection nozzles. Refer to Disassembly and Assembly, "Fuel Injection Nozzles - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.
Illustration 1 g00828137
Illustration 2 g00854316
3 cylinder
Illustration 3 g01109567
4 cylinder
Gradually loosen cylinder head bolts (1) in the reverse order that is shown above. This will help prevent distortion of cylinder head (2) .Note: Do not use a pry bar to separate the cylinder head from the cylinder block. Use a rubber mallet to loosen the cylinder head from the cylinder block.
Attach a suitable lifting device to cylinder head (2). Carefully lift cylinder head (2) off cylinder block (3) .Note: Avoid contamination of the cylinder bores with coolant or with debris.
Place the cylinder head on a surface that will not scratch the face of the cylinder head.
Remove the cylinder head gasket from cylinder block (3). Do not reuse the old cylinder head gasket.Note: The old cylinder head gasket should be used for identification. Cylinder head gaskets of different thickness are available. Refer to Specifications, "Cylinder Head". The piston height relative to the cylinder head is controlled by the thickness of the cylinder head gasket. Refer to Testing and Adjusting, "Cylinder Head - Inspect".
If necessary, remove the cylinder head dowels from cylinder block (3) .
Inspect cylinder head (2). Refer to Testing and Adjusting, "Cylinder Head - Inspect" and Testing and Adjusting, "Valve Depth - Inspect".