33
Maintenance
Drive Motor Carbon Brush Replacement
Do not use a pressure washer to clean around the
motors. Use tap pressure only.
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.
7. Install new brush and reinstall connecting screw
and lead.
8. When all new brushes are installed. Place all in
retracted position, held into brush holder by spring
tension.
9. 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
SMALL PIN OR SCREW
HEX HUB
86037810 Chariot iVacuum
