59
20 - Wheel System, Traction
Drive Tire
The drive tire consists of the urethane tire and the metal rim that it is attached to The drive tire may be
replaced without removing the wheel motor assembly from the machine Pressing the rim off the wheel
motor requires the tire pulling kit (56422174)
WARNING:
This procedure requires working on an elevated machine. Make sure all safety
precautions are in place before beginning this procedure. Use appropriate lifting
points, jack stands, and wheel chocks. Make sure to disconnect the main battery
connector under the operator’s seat.
1 To reduce the weight of the machine, drain both the recovery and solution tanks
2 Chock both rear wheels
to prevent the machine
from moving Once the
front wheel is off the
ground, there will be no
machine brake
3 Disconnect the main
battery connector under
the operator’s seat
4 To better expose the
forward lifting points,
you may choose to
remove one or both
5 Lift the machine until the drive wheel is slightly off the ground, and then place jack stands under the
lifting points for safety
Note:
The drive hub screws may contain thread locking compound. The best method for releasing
locking compound is to apply mild heat to the screws. The compound begins to loosen up at
just over 150
°
F (65
°
C). If you need to apply heat, make sure to remove the plastic cover.
6 If you need to apply heat, remove the hub cover by gently prying out on the 3 release tabs and pulling
the cover away from the hub
7 As necessary, apply a mild heat to the 4 screws that secure the hub
(A)
to the drive disk
(F)
It doesn’t
take a lot of heat nor high temperature The goal is just to warm the threads to around 150°F (65°C) to
soften the thread locking compound
Lift Points
Manual Brake
Release
Hub
Cover
Release
Tab
A
