(5) Unscrew and remove the nut (4) from the
4-25. Water Pump Electric Motor
motor shaft by inserting a screwdriver in the slot in the
a. Description. The electric motor is mounted to
fan end of the motor to keep the shaft from turning as
the pump housing inside the frame of the water pump.
the nut is removed.
It furnishes the power to operate the water pump.
(6) Unscrew and remove the impeller (23, fig.
NOTE
4-14) from the motor shaft.
Electric motors furnished with
(7) Remove the shims (6), washer (24),
some of the bath units and as
mechanical seal (5), stationary seals (4 and 25) from the
replacements differ in that they
motor shaft.
have no box affixed to them for
making the motor connections.
studs that hold the motor to the bracket (5).
These motors have a conduit
(9) Remove the motor from the bracket.
elbow going into the side of the
c. Inspection. Inspect for broken or cracked motor,
motor and connections are made
damaged shaft threads, and bent shaft.
through the access plate located
d. Installation. Replace defective motor with a
on the motor.
Motor removal
serviceable one, and install it by reversing the
procedures would be the same.
procedure in b above. Refer to the wiring diagram in
b. Removal.
(1) Remove the electric motor and the pump
NOTE
Be sure to check the rotation of
the motor. It should turn or rotate
studs that attach the pump housing to the bracket (5).
in the direction in which the arrow
points on the water pump
housing. Reverse the rotation of
the motor by interchanging any
(4) Remove the screws (1) that hold the vane
two of the external leads at the
plate 42) to the bracket (3), and remove the vane plate
motor.
from the bracket.