Drive Belt: Testing and Inspection

INSPECT DRIVE BELT




a. Check the belt for wear, cracks and other signs of damage.
If any defect is found, replace the drive belt.

HINT: Replace the drive belt if the following defects are found.

- If the belt has worn out until the wire can be seen.
- If the cracks reach the wire more than one place.
- If the belt has chunks missing from the ribs.





b. Using a belt tension gauge, check the belt tension.
Belt tension gauge:
DENSO BTG-20 (95506-00020)
Borroughs No. BT-33-73F

Drive Belt Tension:

c. Check the drive belt fits.

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