Replacing The 2-Piece Wheel Rim And/Or The Foam Filled Or Pneumatic Tires - Invacare Pronto M91 Service Manual

SECTION 8—WHEELS
Replacing the 2-Piece Wheel Rim and/or the Foam
Filled or Pneumatic Tires
NOTE: For this procedure, refer to FIGURE 8.7.
NOTE: When replacing the 2-piece wheel rim, DO NOT remove tire. Replacement 2-piece wheel
rims are shipped assembled with a new tire. Refer to Removing/Installing the Drive Wheel on
page 67 to remove the existing drive wheel and install the new 2-piece wheel rim and tire.
When replacing the hub of a pneumatic tire, ALWAYS deflate tire before
removing/installing hub - otherwise, injury or damage may occur. Failure to observe
this warning can result in sudden, violent rim separation and possible injury.
1. Remove drive wheel from wheelchair. Refer to Removing/Installing the Drive Wheel
on page 67.
2. Deflate existing pneumatic tire.
3. Remove the five (5) existing mounting screws that secure the existing outer rim and
inner rim.
4. Separate the two (2) halves of the rim and remove the existing tire. Discard existing
tire.
NOTE: When installing the NEW pneumatic tire, if necessary, place the inner tube into the tire.
NOTE: When installing the outer rim into a
pneumatic tire, ensure the valve stem of the
inner tube protrudes through the stem opening
in the outer rim.
5. Insert the outer rim and inner rim into
the new/existing tire.
6. Using the five (5) existing mounting
screws secure the outer rim to the inner
rim and hub. Torque mounting screws
to 160-200 in-lbs.
7. If pneumatic, fill tire to correct air
pressure as noted on tire side wall.
8. Reinstall the drive wheel onto the
wheelchair. Refer to Removing/
Installing the Drive Wheel on page 67.
® ™
Pronto M91 and M94
WARNING
Inner Rim
Tire
Outer
Rim
FIGURE 8.7 Replacing the 2-Piece Wheel
Rim and/or the Foam Filled or Pneumatic
70
Mounting
Screws
Tires
Part No. 1125038