Make sure electrical power is disconnected before working on unit. Failure to do so
could result in serious injury or death from electrical shock.
Tag all wires before disconnecting to make installation easier.
Note that the belt guard has been omitted from Figure 4-99 for clarity.
a. Refer to Figure 4-99 and disconnect two cables (1) from junction box (2).
b. Remove capscrews (3), (4) DELETED, washers (5), locknuts (6), washers (7) and clamps (8).
c. Remove screws (9), cover (10) and gasket (11).
d. Unscrew nuts (12) and slide nuts (12), washer (13) and bushing (14) back on cables (1). Remove fitting (15) from
e. Cut the twine and tape which cover cable/motor connections and tag and disconnect cables (1) from the motor
leads by removing screw (16), nuts (17) and washers (18). Remove ground lead.
f. Pull cables (1) out of the motor conduit box and, if necessary, slip bushing (14), washer (13) and nut (12) off the
g. Remove hub (22) and sheave (23) as follows:
Scribe the motor shaft to indicate the position of hub (22) on the shaft.
Mark, sheave (23) to show which side faces the motor.
Remove capscrews (19) and Iockwashers (20).
Install capscrews (19) in the threaded holes of hub (22).
Tighten the capscrews evenly and alternately to move sheave (23) off hub (22). If they stick together tightly, it
necessary to tap the sheave gently to break the parts loose.
Remove setscrew (21) which secures hub (22) to the motor shaft.
The hub will split if the screwdriver or chisel is tapped too hard.
Tap a screwdriver or chisel into the split line of hub (22) just far enough to allow removal of hub (22) from the
(8) Remove motor shaft key (24).
Replace loose or damaged ring tongue connectors (para, 4-10).
Replace wire markers (para. 4-10).
Replace cracked or damaged sheave (23).
Check motor shaft key (24) for burrs or nicks. File them smooth if necessary. Replace if damaged beyond repair
Do not lubricate hub or sheave.
Change 2 4-299