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Part No. 1104849 53 3G Storm Series
®
Wheelchairs
CHANGING BACK HEIGHT (FIGURE 2)
NOTE: If changing the back height, new back upholstery may be needed as well. Read the
following to determine if new back upholstery is needed:
Back upholsery height ranges are 16 to 17-inches, 18 to 19-inches, 20-inches,
21 to 22-inches, 23 to 24-inches
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If back height required is within the range of the original back height, only
new back canes will be needed.
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If the back height required is NOT within the range of the original back
height, new back upholstery, as well as new back canes will be needed.
NOTE: Existing hardware and inserts will be reused.
1. Remove the armrests from the wheelchair. Refer to INSTALLING/REMOVING FLIP
BACK ARMRESTS in SECTION 4 of the Owner’s Manual, part number 1104782 or
1123757.
NOTE: Note the correct mounting screw mounting positions to ensure the proper back angle for
reinstallation.
2. Remove the two (2) mounting screws and washers that secure the existing back
upholstery to the back canes.
3. Remove the four (4) mounting screws, washers, spacers, and locknuts that secure
the existing back canes to the seat frame.
4. Remove the inserts from the existing back canes.
5. Remove the back assembly from the wheelchair.
6. If applicable, loosen, but do not remove the mounting screws and locknuts that
secure the spreader bar to the existing back canes.
7. Remove existing back canes from the back assembly.
8. Slide the inserts into the bottom of the new back canes.
9. Line up the mounting holes of the inserts with the mounting holes in the back canes.
NOTE: To keep the inserts lined up for reinstallation onto the wheelchair, start one (1) of the mounting
screws through the back cane from inside of the wheelchair to hold the insert in place.
10. Slide new back canes through the existing/new back upholstery and spreader bar.
11. If applicable, loosely tighten the mounting screws that secure the spreader bar to the
new back canes.
12. Line up mounting holes in the back canes with the mounting holes in the seat frame.
NOTE: If needing a reference for proper mounting holes for the back angle required, or if changing
the original back angle, refer to BACK ANGLE ADJUSTMENT in this section of the manual.
WARNING
The back canes MUST be fastened securely to the seat frame BEFORE
using the wheelchair. Torque to 75 in-lbs.
13. Secure the two (2) NEW back canes to the seat frame with the existing four (4) mounting
screws, washers, spacers, and locknuts. Use Loctite 242 and torque to 75 in-lbs.
BACK FRAME SECTION 8
BACK FRAME