12-2
ZR Owner’s Manual
OM_ZR_0913RevA
CHAPTER 12: REAR WHEELS
Handrims
I
WARNING
You must have your handrims replaced by an authorized TiLite dealer or qualified technician.
If you ignore this
Warning, you may seriously injure yourself or others or damage the wheelchair.
pneumatic Tires and Tubes
I
WARNING
Fully deflate the tire before performing any disassembly procedures. Do not re-inflate the tire until all re-assembly is
completed.
If you ignore this Warning, you may seriously injure yourself or others or damage the wheelchair.
Tools needed:
• #2 Phillips Screw Driver
• 3/8” Open End Wrench or 5/16” Open End Wrench
1. Remove the rear wheel from the chair.
2. Remove all air from the inner tube. If you have a Schrader valve (see Figure 12-3), remove valve stem cap and
release all of the air from the tube, by pressing down on the pin in the center of the valve stem. If you have a
Presta valve (see Figure 12-4), remove the valve stem cap, unscrew, counter clockwise, the knurled nut on the
valve stem and release all of the air from the tube by pressing down on the pin in the center of the valve stem.
3. Remove the tire and inner tube.
4. Make sure the rim strip is properly in place.
5. Install the new inner tube and tire onto the wheel.
6. Make sure the tire is properly seated in the wheel rim, and inflate the tire to the correct PSI rating on the sidewall
of the tire.
7. Reinstall the rear wheel on the chair.
Figure 12-3
Schrader Valve
Schrader
Valve
Figure 12-4
Schrader Valve
Presta Valve
Knurled Nut
Pin
Solid Tires
I
WARNING
Replacement of solid tires requires specialized equipment. Therefore, if your solid tires need replacement, you must
have this done by an authorized TiLite dealer or qualified technician.
If you ignore this Warning, you may seriously
injure yourself or others or damage the wheelchair.