Crankshaft Balancer Clean and Inspect

1. Clean the crankshaft balancer in cleaning solvent.

CAUTION: Refer to Safety Glasses Caution in Service Precautions.

2. Dry the crankshaft balancer with compressed air.
3. Inspect the crankshaft balancer for the following:
- Worn or damaged bolt hole threads (1)
- Worn, chunking, or deteriorated rubber (2) between the hub and outer ring
- Loose or improperly installed balance weights (3)
A properly installed balance weight should be installed until flush or below flush with the face of the crankshaft balancer.
- Worn or damaged keyway (4)
- Worn, grooved, or damaged crankshaft front oil sealing surface
Minor imperfections on the crankshaft balancer crankshaft front oil seal surface may be removed with a polishing compound or fine grade emery cloth.

IMPORTANT: A crankshaft front oil sealing surface with excessive scoring, grooves, rust, or other damage must be replaced.