TM 10-4320-307-24
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DRIVE BELTS ADJUST/REPLACE (CONT).
3.
Remove fan drive belts (13) as follows:
Severe injury may result from contact with rotating
engine parts, V-belts, or fan. Shut off the engine
when it is necessary to inspect, service, or perform
maintenance on any moving parts. Close control
panel to prevent accidental starting.
a.
Remove two screws (20), nuts (21), and
washers (22).
b.
Remove radiator bracket (23).
c.
Remove eight screws, washers, and
lockwashers (24) that secure fan guard (25) to
radiator.
NOTE
Fan guard must be rotated 900 counterclockwise
to clear fan hub.
d.
Remove fan guard (25).
CAUTION
Hold fan securely while removing securing
screws to prevent fan blades from damaging
radiator.
e.
Remove six capscrews and lockwashers (26)
and carefully remove fan (27) with fan pilot
spacer (28) and fan spacer gasket (29).
f.
Loosen three capscrews (10) and move fan hub
pulley (19) to relieve tension on fan drive belts
(13).
g.
Remove fan drive belts (13).
INSPECTION:
1.
Inspect belts for glazing; worn or frayed edges; and brittle, cracked, or broken rubber. Replace belts if defective.
NOTE
When two belts are used on a pulley, if either belt is damaged, both must be replaced as a set.
2.
Inspect pulleys for cracks, broken grooves, or burring. If pulley is cracked, has broken grooves, or is burred
excessively, notify direct support maintenance. Use crocus cloth or file to remove minor burrs.
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