Engine Maintenance (Rev 6/98)
69
will engage the belt. Make sure the hook is on the face of
the belt, not in a notch. Release the plunger with a quick
motion and without pulling on the belt. Then read the dial.
Use an average of three readings.
NOTE: Do not attempt to remove or install belts without
loosening adjustments. Belts that are installed by prying
over pulleys will fail prematurely due to internal cord
damage.
BELTS
Belts should be regularly inspected during unit pre-trip for
wear, scuffing or cracking. Belt tension should also be
checked during scheduled maintenance inspections. Belts
that are too loose will whip and belts that are too tight put
too much strain on the belt fibers and bearings.
Using belt tension gauge, P/N 204-427, is the best method
of checking belts for tightness. Install the belt gauge in the
center of the longest belt span. Press the plunger so the hook
Belt Arrangement
1.
Fan Belt
5.
Belt Guide
2.
Alternator Belt
6.
Upper Belt Guard
3.
Lower Idler
7.
Lower Belt Guard
4.
Upper Idler
4
1
2
3
6
5
7
AEA1372
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