Rocker Shaft and Pushrod - Remove - 3003 Engines
Removal Procedure
Start By:
- Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".
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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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| 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 Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Loosen adjusting screws (3) in order to release tension off rocker shaft assembly (2) .
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| Illustration 1 | g00597799 |
- Remove nuts (1) that fasten rocker shaft assembly (2) to cylinder head (4) .
- Remove rocker shaft assembly (2) from cylinder head (4) .
- Inspect the rocker shaft assembly for wear or for damage. If the rocker shaft assembly is damaged, use new parts for replacement.
- Remove pushrods (5) from the cylinder head. Mark the pushrods or identify the pushrods for later installation. Inspect the pushrods for wear or for damage. If the pushrods are damaged, use new parts for replacement.
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| Illustration 2 | g00597921 |
- Remove caps (7) from the top of each valve stem. Inspect the caps for wear or for damage. If the caps are worn or damaged, use new parts for replacement.
Caterpillar Information System:
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