SECTION 7—WHEELS AND CASTERS
Part No 1122167
39
Zoom 300 and Zoom 400
Replacing Foam-Filled Tires Onto Wheel Rims
NOTE: For this procedure, refer to FIGURE 7.5.
NOTE: During initial use of scooter, user may experience a flat spot on wheels. Flat spot will
disappear with continual use of scooter.
1. Remove the wheel from the drive shaft. Refer to Removing/Installing the Drive
Wheels on page 34.
2. Perform one (1) of the following:
• Replacing Existing Tire and Rim: Discard existing tire and hub. Proceed to STEP 3.
• Replacing Existing Rim Only: Perform the following -
i. Remove the four (4) existing mounting screws, lock washers and nuts that
secure the existing outer rim, inner rim and hub to the existing tire.
ii. Discard existing mounting hardware, rims and hub.
3. When installing the new two-piece hub into a new pneumatic tire, if necessary, place
the inner tube into the tire.
4. Insert the outer rim and inner rim into the new/existing tire.
5. Insert the hub into the inner rim and align the four (4) mounting holes of the hub, inner
rim and outer rim.
6. Using the four (4) mounting screws, lock washers and hex nuts, secure the outer rim
to the inner rim and hub. Torque hex nuts to 160-200 in-lbs ± 20.
7. Install the drive wheel on the drive shaft. Refer to Removing/Installing the Drive
Wheels on page 34.
FIGURE 7.5
Replacing Foam-Filled Tires Onto Wheel Rims
Inner Rim
Outer Rim
Wheel Hub
Cutout
Locknuts
Mounting Screws
Hub
Washers