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MAINTENANCE-DRIVE MOTOR & BRAKE
86317500 CHARIOT SCRUBBER 11/15/08
4-21
DRIVE MOTOR CARBON BRUSH REPLACEMENT
Do not use a pressure
washer to clean around
the motors. Use tap pressure only.
FOR SAFETY: Before leaving or servicing
machine, stop on a level surface, turn off
machine and remove key.
1. Disconnect batteries from machine.
2. Disconnect the electrical connection to the
traction motor.
BRAKE REMOVAL
(Must be done to access carbon brushes)
3. Remove 4 mounting screws and remove brake.
4. Drive roll pin out of the hex hub enough to allow
hex hub to slide off shaft. It is recommended
that the roll pin be left partially in the hex hub.
5. Remove brush cap.
6. Release brush from spring tension. Remove
screw connecting brush wire lead to brush
holder. Clean brush holder to insure free
movement.
5. Install new brush and reinstall connecting screw
and lead.
6. When all new brushes are installed. Place all in
retracted position, held into brush holder by
spring tension.
7. Carefully replace brush cap.
Reinstalling:
10. When replacing the hex hub, use a small pin or
screw to help align the holes.
11. Drive the pin into the hub and make sure it is
flush to the hex surface. The brake will not fit on
the hub if the roll pin is protruding from the hub.
12. Replace the hub and use Lock-Tite on the
screws.
ROLL PIN
HEX HUB
SMALL PIN OR SCREW
ROLL PIN
HEX HUB
SMALL PIN OR SCREW