bearings because this could damage the motor and
cause a return service call.
1.TURN THE POWER OFF
2. Remove the cover from the motor and disconnect
the electrical supply leads from the terminal board.
Then remove the electrical cable
or conduit from the end frame.
3. Remove the motor from the
pump unit.
4. Mark the brackets and frame
of the motor, to assure correct
alignment of these parts when reassembling them.
5. Remove the rotor and shaft from the frame of the
motor, following these steps as necessary:
a)Take out the thru-bolts that secure the brackets
to the frame.
b)Remove the bracket opposite the shaft by
placing a screwdriver blade in the notches of
this bracket and tapping the handle of the
screwdriver.
c) Remove the locking collar screws and washers if
their use prevents removal of the rotor assembly
from the shaft end bracket.
d)Carefully pull the shaft/rotor assembly out of the
shell or stator toward the shaft extension end.
e)Be careful not to lose the washer and bearing
load spring that is positioned in the bottom of the
bearing bore of the bracket opposite the shaft
extension. Be sure to replace this spring during
reassembly.
25
MOTOR TROUBLESHOOTING
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