Wheel System, Traction 89Service Manual – Focus II / Scrubtec R6 Rider Autoscrubber
Drive Tire
Replacing the drive tire (metal wheel with urethane
tire) requires the tire pulling kit (56422174). The
drive tire may be replaced without removing the drive
assembly from the machine, but you may nd it easier
to remove the Drive Wheel Assembly described on
page 84.
1. To reduce the weight of the machine, drain both
the recovery and solution tanks. To lower the
center of gravity of the machine, you may even
choose to remove the recovery tank from the
machine.
2. Block both sides of the machine at the rear lifting
points (15) to keep the machine stable and prevent it from
rolling. To prevent tipping, it is also a good idea to chain the
machine down at the rear lifting points.
3. Raise the front of the machine by jacking at the center front
at surface of the solution tank.
4. Using a 5mm hex key, remove the four screws (38) that
secure the drive hub (40) to the internal gearbox.
5. Using a 5mm hex key, remove the six screws (39) that
secure the drive hub to the tire (wheel).
6. Insert the four wheel puller bolts (41) through the drive
housing, and hand tighten them until they equally touch the
metal wheel portion of the tire assembly.
7. Using a 5mm hex key, gradually tighten each bolt at about
1/2 to 1 turn at a time. Work in a crisscross pattern so each
bolt pushes the wheel off the main bearing (42) equally. (The
wheel hub (40) will come free after just a few turns.)
For reference, the wheel/tire presses over the main
bearing (42). The drive hub (40) is lightly pressed
onto the tapered disk (43) of the gearbox.
15
16
38
39
40
41
Motor removed
for clarity.
42
43
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