36. Camshaft and Bearings Clean and Inspect

Camshaft and Bearings Cleaning and Inspection

Tools Required
- J7872 Magnetic Base Dial Indicator

1. Clean the camshaft in solvent.

Caution: Refer to Safety Glasses Caution in Service Precautions.
Safety Glasses Caution

2. Dry the camshaft with compressed air.







3. Inspect the camshaft retainer plate for damage.
4. Inspect the camshaft for the following conditions:

- Camshaft bearing journals (1) that are:
- Worn
- Scored
- Damaged

- Worn camshaft lobes (2)
- Damaged sprocket bolt threads (3)
- Damaged sprocket pin (4)







5. Measure the camshaft journals with a micrometer.
6. Measure for excessive camshaft runout using J7872.
6.1. Mount the camshaft in a suitable fixture.
6.2. Use the J7872 in order to measure for a bent camshaft.

7. Replace the camshaft if runout exceeds specifications.







8. Inspect the camshaft bearings 1-5, for serviceability.
9. Replace the camshaft bearings if necessary.