Western LOW-PRO 300W, Mechanic'S Manual

Page: 35 / 106

Lit. No. 72131, Rev. 00 July 15, 2018
33
POLY HOPPER SPREADERS – SPINNER MOTOR REPLACEMENT
REPLACING THE SPINNER MOTOR
1. Disconnect the chute electrical harness and
remove the chute from the spreader.
2. Remove the chute motor cover to expose the
spinner motor, pulleys, and belt.
3. Remove the spinner belt from the spinner and
motor pulleys by swinging the motor towards
the spinner pulley.
NOTE: The spinner motor tensioner is spring
loaded.
4. If the motor is in need of replacement:
Disconnect the wire harness at the spade
connectors. Remove the two #10-32 locknuts
and washers that attach the motor to the base
plate.
5. Pull the motor with the pulley attached out of
the motor base plate.
6. Reinstall the new motor with the pulley
attached using two #10-32 locknuts and
washers. Reconnect the harness to the motor.
7. Turn the spinner shaft by hand, ensuring that
it moves freely. Check for looseness in the
shaft bearings. Repair as needed. Grease both
upper and lower shaft bearings.
8. Reinstall the spinner belt over both the motor
and shaft pulleys. Con fi rm that the pulleys are
aligned with each other and that the belt is
running true. If adjustment is needed, loosen
the set screw on the motor pulley and adjust
the pulley up or down as required. Retighten
the set screw.
9. Reinstall the chute motor cover.
10. Reinstall the chute on the spreader.
11. Run the spreader to verify correct
operation. Pay attention to the spinner. It
should turn in a counterclockwise rotation.
If not, swap the spade connections at the
motor.