User Guide
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










