28
FRAME
PROCEDURE 7
F
R
A
M
E
✪
✪
✪
✪
✪
Spreader Bar
Locknut
Locknut
Insert
Back
Cane
Hex Bolts
Washer
Hex Bolt
Mounting Plate - Refer to
CHANGING BACK ANGLE
in this procedure of the
manual.
NOTE: Back upholstery not shown
for clarity. Refer to REPLACING
BACK UPHOLSTERY in PROCE-
DURE 4 of this manual.
FIGURE 4 - CHANGING BACK HEIGHT - WHEELCHAIRS BUILT BEFORE 10/2000
13. Line up the mounting holes in the back canes with
the mounting holes in the mounting plate.
NOTE: If a reference for the proper mounting holes for
the back angle required is needed, or if changing the
original back angle, refer to CHANGING BACK ANGLE
in this procedure of the manual.
14. Slide the other two (2) hex bolts through the mount-
ing plate, insert and back cane and loosely tighten
with two (2) of the locknuts.
15. Remove the two (2) hex bolts that were holding the
inserts in place and install through the mounting
plates, inserts and back canes and secure with the
other locknuts.
WARNING
The back canes MUST be fastened securely to
the seat frame BEFORE using the wheelchair. Use
Loctite 242 and torque to 75-inch pounds.
16. Secure the two (2) new back canes to the wheel-
chair frame with the existing four (4) hex bolts, wash-
ers and locknuts. Use Loctite 242 and torque to 75-
inch pounds.
17. Secure the top of the existing/new back upholstery
to the back canes with the two (2) existing phillips
screws.
18. Secure the bottom of the existing/new back uphol-
stery to the wheelchair frame with new tie-wraps.
NOTE: Clean upholstery with warm DAMP cloth and
mild detergent to remove superficial soil.
WARNING
Laundering or moisture will reduce flame retar-
dation of the upholstery.
NOTE: When replacing the back assembly or changing
back height, follow these guidelines for spreader bar
height:
BACK HEIGHT (in inches):
16-17
18-19
20
✪
✪
✪
✪
✪
SPREADER BAR HEIGHT
(in inches):
5
7
9
✪
✪
✪
✪
✪
Height of Spreader Bar from Bottom of Back Canes to
Top of Spreader Bar Clamp.
19. Reposition the spreader bar at the correct height for
the corresponding back height and torque the mount-
ing hardware to 60-inch pounds.
20. Reinstall the armrests onto the wheelchair.
