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Scrub System: Disc, Cylindrical, & Boost 65Service Manual – Focus II / Scrubtec R6 Rider Autoscrubber

Boost Deck Motor

1. Lower the deck to a neutral position on the oor,

and turn the keyswitch to the off position.

2. Remove the Scrub Deck described on page 59.

3. Loosen the retaining knobs (5E) and remove the

side squeegees (5F) from the deck.

4. Remove the 2 bolts (5K) from the limit pins (5L).

5. Remove the 4 nuts (5J) that secure the upper

plate (5M) to the isolation mounts, and remove

the upper plate. (Tilt the plate at the top of the

motor to clear the wiring harness.)

6. Remove the scrub pad from the bottom of the ex

plates (5S) (hook and loop fastener).

7. Using a 9/64" hex key, remove the 4 button head

cap screws that secure the orbital plate (5R) to

the ex plates (5S). Take care to not lose the 4

spacers (5P).

8. Remove the 8 nuts (5N) that secure the isolation

mounts to the mid plate (5T), and remove the 2

ex plates (5S) from the mid plate (5T).

9. Remove the retaining bolt (5Z), lock washer (5Y),

and eccentric retainer (5X) from the bottom of the

motor shaft.

10. Slide the orbital plate (5R) and eccentric lobe

(5W) off the motor shaft. Take care not to lose the

key (5V).

11. Remove the 4 screws (5U) that secure the motor

(5H) to the mid plate (5T), and remove the motor.

12. Make sure to inspect the eccentric bearing before

reassembly. If the motor is being replaced, it is

likely that the bearing needs replacement too. If

the bearing feels rough, or freewheels too easy

when spun, it is a sign it is worn.

13. During reassembly, apply a small coating of

anti-oxidant compound to the mating metal

components of the eccentric drive (motor shaft,

eccentric lobe, and bearing).

Nilfisk-ALTO Scrubtec R 6-71C 28C User Manual

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