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 Every 250 Service Hours or Monthly
Alternator Belts
To Adjust
Inspect Belt
1.
Remove belt guard.
1.
Apply a 110 N (25 pound) force perpendicular to
the belt, midway between the driving and driven pulley.
Measure the belt deflection.
Proper belt deflection is 15 to 20 mm (.6 to .8 inch).
Adjust the belt tension as required.
Loosen locknut on the belt tightener rod.
2.
Turn adjustment nut until correct belt
3.
deflection is obtained.
Tighten locknut .
4.
2.
Inspect the belts for wear. Replace belts if worn,
cracked or frayed.
5.
Check the belt adjustment.
When belt replacement is necessary, belts must be
6.
Install the belt guard.
replaced in complete matched sets. Never replace only
one belt. The new belt will carry all of the load and
consequently, fail rapidly.
3.
If belts do not require replacement or
adjustment, install the belt guard. If belts require
adjustment or replacement, do not install the belt guard.
See "To Adjust" below when belt adjustment and/or
replacement is necessary.
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