Invacare Orbit Owner's Operator And Maintenance Manual page 64

SECTION 9—REAR WHEELS
Installing Projection Handrims
1. If necessary, remove rear wheels from the wheelchair. Refer to Removing/Installing
Rear Wheels on page 61.
2. If necessary, remove the existing handrim from the rear wheel. Refer to Replacing
Handrims on page 63.
3. Using the long screws, assemble the links to the projection handrim.
4. Position one link with one of the mounting holes in the rear wheel.
5. Install a short screw through the link and the rear wheel and loosely tighten with
washer and locknut.
6. Repeat STEPS 3‐4 for one link on the opposite side of the rear wheel.
NOTE: The links will attach to the rear wheel at an approximate 45
7. Repeat STEPS 3‐4 for the remaining links.
8. Securely tighten the washers and locknuts that secure the projection handrim to the
rear wheel.
9. Reinstall rear wheel onto the wheelchair. Refer to Removing/Installing Rear Wheels
on page 61.
10. If the locking pins of the quick‐release axles are not protruding past the inside of the
axle bushing or there is too much movement of the rear wheel assembly in a back and
forth position, refer to Adjusting the Quick‐Release Axle on page 62.
11. Repeat the procedure for the opposite rear wheel.
Removing Projection Handrims
1. Remove the rear wheel from the wheelchair. Refer to Removing/Installing Rear
Wheels on page 61.
2. Remove the short screws and locknuts that secure the links of the handrim to the rear
wheel.
Composite Rim
Long Screw
Projection
Handrim
FIGURE 9.4 Replacing Handrims - Projection Handrims
™
Orbit
Washer
Locknut
Link
Short Screw
64
o
angle in the same direction.
Projection
Handrim
Links at an approximate 45
Angle in the same direction
o
Part No. 1073955