SECTION 8—UPHOLSTERY/ POSITIONING STRAP
62
Replacing Back Upholstery
NOTE: For this procedure, refer to FIGURE 8.2 on page 63.
NOTE: This procedure is for ASBA seats ONLY.
1. Remove one armrest from the wheelchair. Refer to Installing/Removing Flip Back
Armrests
in SECTION 4
of the User Manual, part number 1104782 or 1123757.
2. Remove the two mounting screws and locknuts that secure the spreader bar to the
back canes.
3. Remove the two mounting screws and washers that secure the existing back
upholstery to the back canes.
4. Cut the tie-wraps that secure the bottom of the existing back upholstery to the
back canes.
NOTE: Note the back angle before disassembly for proper reinstallation.
5. On the side of the wheelchair that the armrest was removed, remove one of the
mounting screws, washer, spacer, and locknut that secures the back cane to the
seat frame.
NOTE: To avoid losing the insert in each back cane, thread the mounting screw just removed
through the cane from the inside of the wheelchair to hold the insert in place.
6. Remove the other mounting screw, washer, spacer, and locknut that secures the back
cane to the seat frame.
7. Slide the back cane out of the spreader bar (if applicable) and the existing
back upholstery.
8. Remove other armrest from the chair. Refer to Installing/Removing Flip Back
9. Repeat STEPS 5-7 for the opposite side of the wheelchair.
10. Slide the other back cane out of the spreader bar (if applicable) and the existing
back upholstery.
11. Slide one back cane into NEW back upholstery and through spreader bar
(if applicable).
12. Secure back cane to the seat frame from the outside of the wheelchair with the existing
two mounting screws, washers, spacers, and locknuts. Use Loctite
®
242 and torque to
75 in-lbs (6.25 ft lbs) (8.47 Nm).
13. Repeat
STEPS 11-12 for opposite back cane.
14. Secure the top of the new back upholstery to the back canes with the two existing
mounting screws.
NOTE: When replacing the back upholstery, back assembly or changing back height, follow these
guidelines for spreader bar height:
NOTE: Spreader bar required on all back heights.