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GENERATOR DRIVE BELT







INSPECT DRIVE BELT
1. Visually check the belt for excessive wear, frayed cords etc.
If any defect has been found, replace the drive belt.

HINT: Cracks on the rib side of a belt are considered acceptable. If the belt has chunks missing from the ribs, it should be replaced.







2. Using a belt tension gauge, measure the belt tension.

Belt tension gauge:
Nippondenso BTG-20 (95506-00020)
Borroughs No. BT-33-73F

Drive belt tension:
New belt - 175 ± 5 lb.
Used belt - 115 ± 20 lb.

If the belt tension is not as specified, adjust it.







HINT:
- "New belt" refers to a belt which has been used less than 5 minutes on a running engine.
- "Used belt" refers to a belt which has been used on a running engine for 5 minutes or more.
- After installing a belt, check that it fits properly in throbbed grooves.
- Check with your hand to confirm that the belt has not slipped out of the groove on the bottom of the pulley.
- After installing a new belt, run the engine for about 5 minutes and recheck the belt tension.