55Service Manual – SC900 34 - Scrub System, Disc
Removal and Installation
Scrub Skirt
Removing the scrub skirt (B) allows easy access to
the scrub deck components. It is held in place with 4
screws (A) on the sides, and a tab in the center.
1. Using a 3mm hex key, remove the 4 screws and
washers (A).
2. Slide the skirt toward the front to free the center
tab from the solution tank.
Scrub Brush Motor
1. Remove the Scrub skirt as described above.
2. Remove the two halves of the brush housings.
3. With the scrub deck fully raised, remove both
scrub brushes (even if only one motor is being
removed).
4. Using a 1/4” hex key, remove the socket head cap
screw (A) that secures the brush plate (B) to the
motor shaft.
5. Slide the brush plate off the motor shaft.
• If you need to pry it off, try to pry evenly.
• Lubricant may help if it is corroded.
• Take care not to lose the motor shaft key.
6. Using a 9/16” socket, remove the 4 screws that
secure the motor to the scrub deck.
7. Slowly lower the scrub deck so the motor doesn’t
tip over. (The deck can be lowered farther when
both brushes are removed.)
8. Disconnect the motor connector, and remove the
motor from the scrub deck.
A
B
A
B
C
D
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