Invacare Allegro 1061057 - Manual (Page 32)

32
WARNING
The back canes MUST be fastened securely to the
seat frame BEFORE using the wheelchair.
DO NOT overtighten hex bolts. Overtightening hex
bolts will prohibit the free movement of the back
canes, preventing the back canes from locking prop-
erly.
3. Reinstall the two (2) hex bolts and locknuts that se-
cure the back canes to the wheelchair frame. Torque
to 35-inch pounds.
WARNING
DO NOT overtighten hex bolts. Overtightening hex
bolts will prohibit the free movement of the back
canes, preventing the back canes from locking prop-
erly.
5. Secure the new back canes to the back angle plates
with hex bolts and locknuts. Torque to 35-inch
pounds. Refer to FIGURE 12 for correct hardware
orientation.
6. If necessary, reinstall the cantilever arms onto the
wheelchair. Refer to USING/INSTALLING/HEIGHT
ADJUSTMENT/CORRESPONDING ARM AD-
JUSTMENT TO BACK ANGLE - CANTILEVER
ARMS in PROCEDURE 2 of this manual.
PROCEDURE 3 BACK
B
A
C
K
Wheelchair
Frame
HOLE
5
4
3
2
1
LOWEST
POSITION
HIGHEST
POSITION
✪ ✪ ✪ ✪ ✪ Holes numbered from bottom to top for reference
only. (There are no numbers on the back canes or
wheelchair frame.)
FIGURE 11 - ADJUSTING THE BACK HEIGHT -
ADJUSTABLE HEIGHT BACKS
Fixed Height Backs (FIGURE 12)
1. If the wheelchair is equipped with cantilever arms,
remove them from the wheelchair. Refer to USING/
INSTALLING/HEIGHT ADJUSTMENT/CORRE-
SPONDING ARM ADJUSTMENT TO BACK
ANGLE - CANTILEVER ARMS in PROCEDURE 2
of this manual.
NOTE: Note the position of the cantilever arms for
reinstallation.
2. Remove the two (2) hex bolts and locknuts that se-
cure the back canes to the back angle plates.
CAUTION
The locking mechanism in the back canes is spring
loaded. Slowly remove the back canes from the
wheelchair to prevent the springs from being lost.
3. Slowly remove the two (2) backs canes from
the wheelchair.
4. Position the mounting holes in the new back canes
with the mounting holes in the back angle plates.
WARNING
The back canes MUST be fastened securely to the
seat frame BEFORE using the wheelchair.
Recliner Backs (FIGURE 13)
1. Press the push pins on the headrest extension tubes
in and remove the headrest extension from the back
canes.
2. Remove the existing recliner back upholstery from
the wheelchair. Refer to REPLACING BACK UP-
HOLSTERY in this section of the manual.
3. Remove the phillips bolts and locknuts that secure
the existing folding push handle and trigger release
levers to the back cane.
4. Remove the folding handle from the wheelchair.
5. Cut the tie wraps that secure the recliner cables to
the existing back canes.
6. Remove the socket bolts, washers and locknuts that
secure the actuator housing to the existing back
canes.
7. Remove the socket bolts, coved washers, wash-
ers and locknuts that secure the existing back
canes to the recliner brackets.
Back Angle
Plate
Locknut
Hex Bolt
Back Cane
Washer
FIGURE 12 - ADJUSTING THE BACK HEIGHT -
FIXED HEIGHT BACKS