Disc Deck Motor; Cylindrical Deck Motor - Nilfisk-ALTO Scrubtec R 6-71C 28C Service Manual

Service Manual – Focus II / Scrubtec R6 Rider Autoscrubber

Disc Deck Motor

The same procedure is used for all three disc deck types.
However, some decks have 2 motors and some have three.
1. Lower the deck to a neutral position on the floor, and
turn the keyswitch to the off position.
2. Remove the Scrub Deck
3. Remove the discs (3R) from the drive hub (3P).
4. Remove the bolt (3Q) that secures the drive hub to the
motor shaft, and remove the hub (3P). Take care not to
loose the key (3M) that aligns the hub and shaft.
5. Remove the 3 nuts (3J) that secure the motor to the
deck, and remove the motor. Make note of any hose
clamp and washer (3K & 3L) that may be present and
securing the solution line.
6. When replacing the motor, take care to match whether it
is a right-hand or left-hand gearbox.

Cylindrical Deck Motor

1. Lower the deck to a neutral position on the floor, and
turn the keyswitch to the off position.
2. Remove the Scrub Deck
3. Remove the screw (4A) that secures the drive belt cover
(4B) to the scrub deck, and remove the cover.
4. Remove the drive belt (4C) by walking it off the motor pulley (4D), and then off the brush pulley. Hint:
When replacing the drive belt, use a screwdriver to assist you walking it back onto the motor pulley, as
shown in the image to the right.
5. Loosen the two setscrews (4E) that secure the motor pulley (4D)
to the motor shaft, and remove the pulley.
6. Remove the two bolts (4G) that secure the brush motor (4H) to
the scrub deck, and remove the motor.
described on page 59.
described on page 59.
4H
4G
4D
4E 4B
4C
4A
Scrub System: Disc, Cylindrical, & Boost
3R
4F
64
3J
3K 3L
3H
3M
3N
3P
3Q