Part No. 1104849
35
3G Storm Series
®
Wheelchairs
CHANGING SEAT DEPTH BETWEEN 12 AND 15-INCHES
(FIGURE 4)
NOTE: There are two (2) 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.
CJ BACK BRACKET (SEAT DEPTH) RANGES
12 and 13-inches OR 14 and 15-inches
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 in SECTION 8 of this manual.
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.
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 in SECTION 8 of this
manual.
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
SECTION 4 of the Owner’s Manual,
part number 1104782 or 1123757.
FIGURE 4 - ADJUSTING SEAT
DEPTH - CHANGING SEAT DEPTH
BETWEEN 12 AND 15-INCHES
CJ Back
Bracket
Seat
Frame
Threaded
Insert
Washers
Back Cane
Coved
Washers
Mounting Screws
SECTION 6
SEAT FRAME
SEAT FRAME