TM 10-4610-232-12
(6)
Tighten the capscrews (20) evenly and alternately to move sheave (23) off hub (22).
NOTE
The hub will split if the wedge is tapped too hard.
(7)
Tap a screwdriver or a chisel into the split line of hub(22)just far enough to allow removal of hub(22) from
the motor shaft. Remove sheave (23).
(8)
Remove motor shaft key (25).
h.
Remove four capscrews (27), washers (28), nuts (29), lockwashers (30), washers (31) and remove motor base
(34)
i.
Remove four nuts (26) and remove motor (17).
REPAIR
a.
Repair loose or damaged ring tongue connectors (para 4-10).
b.
Replace wire markers (para 4-10).
c.
Replace cracked or damaged sheave (23).
d Replace cracked, worn or frayed belt (1 9).
e.
Replace motor (17) if defective.
f.
Replace damaged or missing nameplates (para. 4-10).
g.
Check motor shaft key (25) for burrs or nicks. File them smooth if necessary. Replace if damaged beyond repair.
NOTE
Do not lubricate hub or sheave.
h.
Check inner bore and outer tapered face of hub (22) for rust, corrosion or dirt. Use fine emery cloth to remove it.
i.
Check inner bore of sheave (23) for rust, corrosion or dirt. Use fine emery cloth to remove it.
j.
Check the motor shah for corrosion and dirt and clean with fine emery cloth.
INSTALLATION
a.
Install motor base (34) and secure with capscrews (27), washers (28), nuts (29), lockwashers (30) and washers
(31).
b.
Tap motor sheave key (25) into shaft of motor (17).
c.
Slide sheave (23) onto the motor shaft making sure the side marked faces the motor.
d.
Remove capscrews (20) from the threaded holes of hub (22).
NOTE
Do not tap the screwdriver or chisel too hard or the hub will break.
e.
Tap a screwdriver or chisel Into the spilt line of hub (22) just far enough to allow It to slide onto the motor (17)
shaft Slide the hub to the position marked by scribe marks during disassembly.
f.
Tighten setscrew (24). Slide sheave (23) onto hub (22) as far as it will go and align threaded holes in sheave (23)
with non-threaded hole in hub (22).
g.
Install capscrews (20) with lockwashers (21) through hub (22) into sheave (23). Tighten the capscrews (20) hand
tight h. Evenly and alternately tighten capscrews (20) to pull sheave (23) onto hub (22) Torque to 108 inch pounds using
a torque wrench.
4-290
