c. Electric Motor. Refer to figure 1-3. Disconnect the power cord from the wall
outlet. Remove the 12 sheet-metal screws securing the front panel. Tip the panel
forward and disconnect the black lead at the unit circuit break, unplug the two-pin Jones
plug (15) to the motor, and disconnect the white wire at the power cord. Lay the panel
out of the way. Remove the one-inch flex tubing (not shown) from the left side of the
motor. Disconnect the white 3/8-inch breather tube (3) from the bottom of the cabinet.
Remove the hex nuts (11) from the three rubber feet (9) at the three motor-mount
brackets. Lift the motor up to clear the studs on the rubber feet. Move the motor to the
back of the cabinet, push the motor down and tilt it forward to clear the lip on the front of
the cabinet and pull the motor out toward you. Reassemble and replace the motor in
the reverse order.
d. Motor Brushes. Remove the motor as described above and illustrated in the
upper portion of Figure 1-3. Place the motor on its side. Refer to the bottom of Figure
1-3. Remove the two screws on the motor's bottom holding each brush mount. Replace
the brushes and reassemble in reverse order.
After installing a new motor or motor brushes, always run the motor
at a slow to medium speed to allow the brushes to "break-in" and