Invacare Lightweight - Manual (Page 45)

SECTION 6—SEAT AND BACK
Part No. 1114811 45 Lightweight, Standard and Heavy Duty Wheelchairs
1. Remove the existing back and seat upholstery from the wheelchair. Refer to Replacing
Back Upholstery on page 41 and Replacing Seat Upholstery on page 41.
2. Remove the two button screws and locknuts that secure the two pivot links to the
crossbraces.
3. Remove the four button screws, locknuts and two crossbrace saddles that secure the
bottom of the crossbrace to the wheelchair frame.
4. Repeat STEPS 2-3 for other crossbrace.
5. Remove the two hex screws and locknuts that secure the two crossbraces together.
NOTE: Note the orientation of the two hex screws and locknuts for assembling the new
crossbraces.
6. Assemble the two new crossbraces together with the existing two hex screws and
locknuts (FIGURE 6.8 on page 46). Securely tighten.
7. Determine the correct pivot link mounting hole to use with the desired seat width
(FIGURE 6.7).
FIGURE 6.7 Heavy Duty Wheelchairs
8. Secure the pivot links to the crossbraces with the two button screws and locknuts.
Securely tighten.
NOTE: Position the rear crossbrace saddles on wheelchair frame using the washer on the underside
of the wheelchair frame as a reference. Refer to FIGURE 6.8 on page 46 for proper positioning of
the crossbrace saddle.
9. Reinstall the four button screws, locknuts and two crossbrace saddles that secure the
bottom of the new crossbrace to the wheelchair frame. Securely tighten.
10. Repeat STEP 9 for the opposite crossbrace.
11. Install the new back and seat upholstery onto the wheelchair. Refer to Replacing Back
Upholstery on page 41 and Replacing Seat Upholstery on page 41.
SEAT WIDTH PIVOT LINK
18 - INCH
20 - INCH
22 - INCH
24 - INCH
18-Inch
20-Inch
22-Inch
24-Inch