Rocker Shaft - Disassemble
Start By:
- Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
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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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Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. |
- Make an identification mark on each rocker arm assembly in order to show the location.
Note: The components must be reinstalled in the original location. Do not interchange components.
Show/hide tableIllustration 1 g02443498 - Remove rocker arm assembly (5) for the exhaust valve from rocker shaft (7). Remove rocker arm assembly (4) for the inlet valve from rocker shaft (7).
Note: The rocker arm assembly for the inlet valve is longer than the rocker arm assembly for the exhaust valve.
- Remove spring (9) from the rocker shaft. Remove retaining clip (8) from rocker shaft (7).
- Repeat Step 2 through Step 3 in order to remove the remaining rocker arms from rocker shaft (7).
- If necessary, remove retaining clip (2) and spring (3) from the rocker shaft.
- If necessary, follow Step 6.a through Step 6.c in order to remove threaded inserts (1) from the rocker arms.
- Make a temporary identification mark on each threaded inserts (1) in order to show the location.
Note: The components must be reinstalled in the original location. Do not interchange components.
- Remove guide (6) from threaded inserts (1).
- Remove threaded inserts (1) from the rocker arms.
- Make a temporary identification mark on each threaded inserts (1) in order to show the location.
Caterpillar Information System:
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