MISCELLANEOUS MAINTENANCE
VEE BELTS
ADJUSTING BELT TENSION
CHECKING BELTS
1.
Check belt wear.
Alternator Drive (Fig. A)
2.
Check tension of each belt
1. Loosen the bolts on the alternator.
2. Move the alternator until the belt is properly
If one belt in a set requires replacement, always install
adjusted. Tighten the adjustment bolt.
a new matched set of belts-never replace just the worn
3. Check the adjustment.
belt. If only the worn belt is replaced, the new belt will
4. Tighten the bolt.
be carrying all of the load-as it will not be stretched as
much as the older belts-and all of the belts will-fail in
rapid succession.
In the following illustrations the pulley marked X is the
adjusting pulley. The pulley marked C is the crankshaft.
Force is applied at the arrow. See the chart for the
force and belt deflection.
FIG. B HIGH MOUNT FAN DRIVE
FIG. A ALTERNATOR DRIVE AND WATER DRIVE
ATTACHMENT
FORCE
BELT
FOR SCHEMATIC
DEFLECTION
SEE:
Alternator Drive
5 lbs.
227 gms.
0.25 in.
6.5 mm
Water Pump-Fan Drive
5 lbs.
227 gms.
0.25 in.
6.5 mm
High Mount Fan Drive
5 lbs.
227 gms.
0.25 in.
6.5 mm
Air Compressor Drive
6 lbs
272 gms.
0.25 in.
6.5 mm
Air Compressor Drive
w/high mount fan
4 lbs.
182 gms.
0.12 in.
3.0 mm
22