SECTION 9—FIXED AND ASBA SEAT FRAME
71
Changing Seat Depth Between 12 and 15 Inches
NOTE: For this procedure, refer to FIGURE 9.4 on page 72.
NOTE: There are two sizes of CJ back brackets. Refer to the following chart to determine if the seat
depth required is obtainable by repositioning the back canes only, or if the CJ back brackets must be
replaced.
If seat depth required is within seat depth range of the original CJ back brackets, only the
back canes need to be repositioned. Refer to the following procedure.
If the seat depth required is NOT within the seat depth range of the original CJ back
brackets, the CJ back brackets must be replaced before repositioning the back canes. Refer
to Removing/Installing CJ Back Brackets on page 99.
1. Remove the armrests from the wheelchair. Refer to Installing/Removing Flip Back
Armrests
in the User Manual, part number 1104782 or 1123757.
2. Cut the tie wraps that secure the back upholstery to the CJ back brackets.
3. Pull the bottom of the back upholstery away from the rear of the seat pan.
4. Remove mounting screw, washer and coved washer from the top mounting hole of the
CJ back bracket and back cane.
NOTE: Before removing the back canes from the CJ back brackets, note the back angle for
reinstallation.
NOTE: To avoid losing the insert in each back cane, line up the holes in the insert with the holes
in the back cane and start one of the screws through the cane from the inside of the wheelchair to
hold the insert in place.
5. Remove the mounting screw, washer and coved washer from the bottom mounting
hole of the CJ back bracket and the back cane.
6. Reposition the back cane to the desired seat depth and angle. If changing the back
angle as well, refer to Back Angle Adjustment on page 103.
7. Secure bottom of the back upholstery to the seat pan.
8. Secure the bottom of the back upholstery to the CJ back brackets with new tie wraps.
9. Use Loctite 242 and torque the mounting screws to 75 in-lbs.
10. Repeat the STEPS 1-9 for the opposite back cane.
11. Reinstall the armrests onto the wheelchair. Refer to Installing/Removing Flip Back
Armrests
in the User Manual, part number 1104782 or 1123757.