Scrub System 313Service Manual – CS7000
To Replace the Scrub Motor Carbon Brushes
Note: The minimum length of the carbon brushes in the scrub motors is 0.5” [13 mm]. If the carbon
brushes are less than 0.5” [13 mm] long, replace them.
1. Remove the scrub motor assembly from the scrub deck.
2. Remove the scrub motor from the right-angle gearbox.
3. Note the position of the witness marks stamped into the frame and castings on both ends of the motor.
4. Remove the two Acorn Nuts and open the Terminal
Cover
.
5. Use a backup wrench to hold the
Bottom Terminal Nuts in place, then
remove the Top Terminal Nuts and
Terminals. Make sure to note the wire
polarity.
6. Remove the Terminal Cover.
7. Remove the Hex Nuts, Lock Washers
and Threaded Rods holding the two
end castings to the Frame.
Acorn
Nut (2)
Terminal
Cover
Top
Terminal
Nut (2)
Terminal (2)
Lock Washer
(2)
Hex Nut
(2)
Threaded
Rod (2)
Terminal
Cover
Bottom
Terminal
Nut (2)
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