Crankshaft primary gear end-float (Engine)

CRANKSHAFT PRIMARY GEAR END-FLOAT

Service repair no - 12.21.28

Check and Adjust

Check

1. Remove clutch assembly. See CLUTCH, Repairs.

2. Using feeler gauges, check primary gear end-float between backing ring and primary gear. DATA: End-float = 0.089 to 0.165 mm.
3. Adjust end-float if outside of tolerance.

Adjust

4. Remove flywheel housing oil seal. See Repairs.
5. Remove primary gear front thrust washer.
6. Measure thickness of thrust washer.
7. Select a thrust washer which will give the correct end-float figure.

NOTE: Thrust washers are available in sizes from 2.79 mm to 3.04 mm in steps of 0.05 mm.

8. Grease the selected washer and fit with chamfered inner edge against the crankshaft.
9. Fit primary gear (without the oil seal), fit backing ring and ’C’ shaped washer.
10. Check that end-float is now within tolerance.
11. Remove ’C’ shaped washer, backing ring and primary gear.
12. Fit flywheel housing oil seal. See Repairs.
13. Fit clutch assembly. See CLUTCH, Repairs.