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 TM 55-1905-223-24-17
(1)
Remove mounting bolts (11) and remove weather cover (1) for access to belt and motor.
(2)
Loosen the four bolts, nuts, and lockwashers (4).
(3)
Pull back, or out, on motor base plate (10) to increase tension on V-belt (8).
(4)
Keep tension on motor and base while securing bolts, nuts, and washers (4) firmly.
(5)
Install weather cover (1) with mounting bolts (11).
REMOVAL
WARNING
Make sure electrical power is OFF to avoid personal injury.
a.
Remove mounting bolts (11) and weather cover (1).
b.
Tag and disconnect electrical wiring from motor (2).
WARNING
Ensure assembly is supported to keep it from falling during removal.
c.
Support fan assembly and remove mounting (6) hardware from the flange at the end of the fan drum
(5).
d.
Remove the fan assembly.
REPAIR
Repair consists of replacing the V-belt (8).
a.
Remove mounting bolts (11) and weather cover (1).
b.
Loosen adjusting bolt, nut, and lockwasher assemblies (4) until base plate (10) slides down, or in, to
loosen tension on V-belt (8).
c.
Remove V-belt (8) from around pulley (9) on motor shaft and pulley (7) on fan shaft.
d.
Install new belt (8) on pulleys (7) and (9).
e.
Adjust belt tension. Refer to ADJUSTMENT step in this procedure.
2-79
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