Invacare Infinity Back Support - Manual (Page 9)

9
PREPARING THE INFINITY BACK FOR INSTALLATION
4. If necessary, loosen, but do not remove the two (2)
mounting screws securing each upper width bracket
to the back frame.
5. Slide the upper width brackets IN or OUT until the
mounting pins fit flush into both upper (swivel) cane
clamps and the depth hardware touches the cane
clamps as shown in FIGURE 3.
6. Install the Infinity Back onto the wheelchair. Refer
to INSTALLING/REMOVING THE INFINITY
BACK in PROCEDURE 3 of this manual.
7. Torque the two (2) mounting screws on each of the
four (4) width brackets to 45-50 in./lbs. to secure them
at the appropriate adjustment point.
UPPER (SWIVEL)
CANE CLAMP
Mounting
Pin
Back
Cane
LOWER (FIXED)
CANE CLAMP
Mounting Pin
Mounting
Screws
FIGURE 3 - ADJUSTING THE WIDTH
HARDWARE
UPPER
Mounting
Holes
LOWER
Width
Bracket
LOWER
Mounting
Holes
SLIDE
Width
Bracket IN
or OUT UPPER
Width
Bracket
Mounting Pin
Mounting Screws
NOTE:
Lower
mounting
pin not
shown for
clarity.
P
R
E
P
A
R
I
N
G
T
H
E
B
A
C
K
PROCEDURE 2
Depth
Hardware Depth
Hardware
ADJUSTING THE MOUNTING
HARDWARE (FIGURE 3)
NOTE: Refer to the INSTALLATION AND STABILITY
WARNINGS in the SAFETY SUMMARY of this manual.
1. Hold the Infinity Back up to the back canes at the ap-
proximate installation height.
2. Visually inspect each side of the Infinity Back to see if the
width hardware is set at the appropriate height to match
the clamp installation and/or the back cane configuration.
3. Perform one (1) of the following:
CORRECT HEIGHT - Adjust the width of the
width hardware. Refer to ADJUSTING THE
MOUNTING HARDWARE WIDTH in this pro-
cedure of the manual.
INCORRECT HEIGHT - Adjust the height of the
width hardware. Refer to ADJUSTING THE
MOUNTING HARDWARE HEIGHT in this pro-
cedure of the manual.
Adjusting the Mounting Hardware Height
1. Remove the two (2) mounting screws from the width
bracket.
2. Align the opening in the width bracket with either the
UPPER or LOWER set of mounting holes.
3. Loosely install the two (2) mounting screws into the
desired set of mounting holes as shown in FIGURE 3.
4. Adjust the width of the Infinity Back. Refer to ADJUST-
ING THE MOUNTING HARDWARE WIDTH in this
procedure of the manual.
Adjusting the Mounting Hardware Width
1. Hold the Infinity Back up to the back canes at the ap-
proximate installation height.
CAUTION
There should be a gap no larger than
1/16-inch between the depth hardware
and the cane clamps, otherwise damage
to the Infinity Back may occur. (FIGURE 3)
2. Visually inspect each side of the Infinity Back to see if
the depth hardware touches the cane clamps on both
back canes as shown in FIGURE 3.
3. Perform one (1) of the following:
CORRECT WIDTH - Proceed to STEP 6.
INCORRECT WIDTH - Proceed to STEP 4.
Depth
Hardware