Rocker Arm Shaft Assembly Check
- Check rocker arm shaft, rocker arm and bushing for wear or damage. Replace any worn parts. Pay special attention to position and number of all spring washers. See Fig 1 .
- Measure outside diameter of rocker shaft and inner diameter of rocker arm to determine oil clearance. See ROCKER ASSEMBLY SPECIFICATIONS table.
- If rocker arm surface is noticeably worn, replace rocker arm. If worn slightly in a stepped shape, use a valve refacer to correct. Replace rocker shaft spring washers if worn excessively. See Fig 1 .
ROCKER ASSEMBLY SPECIFICATIONS
| Application | In. (mm) | |
|---|---|---|
| Diameter | ||
| Outside Rocker Shaft | .7080-.7088 (17.982-18.003) | |
| Inside Rocker Arm | .7093-.7100 (18.016-18.034) | |
| Oil Clearance | .0005-.0020 (.013-.52) | |