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Wheelchair types
The J3 Back is designed to be compatible with most wheel-
chairs with the following exceptions:
Wheelchairs that are angularly adjustable, recline or tilt and
result in a back angle greater than 60 degrees from the verti-
cal should not be used.
WarnIng
use with these types of wheelchairs may cause the
back to accidentally disconnect from the wheelchair
resulting in a fall and the potential for serious injury.
Wheelchair Dimensions
The J3 Back is designed to replace the wheelchair's sling
upholstery. Prior to installation determine if the wheelchair
used has compatible back canes, by measuring the width
between your back canes as seen in Figure 1. Then using
that measurement, check Table 1 to determine if the back will
fit your chair.
Next check that the back canes are a compatible diam-
eter. The J3 back hardware can be mounted on wheelchair
back canes ranging from 3/4" (1.9 cm) to 1 1/8" (2.85 cm).
Measure your back cane diameter (Fig. 2) and refer to Table
2 to ensure your back canes are compatible.
If you cannot determine that the back canes are compatible
please contact your authorized Sunrise Medical provider
or Sunrise Medical customer service.
106109 Rev. D
All manuals and user guides at all-guides.com
J3 Back Width*
12"
14"
16"
18"
20"
* Back Width is identified in your back's part number.
Example: J3ScMTS36 is a 36 cm back.
J3 Back Width
14-20" (36-51cm)
6
FITTING THE BacK TO THE cHaIR
a
Width of back canes from outside to
(all contours)
outside of the tubes, (Fig.1-a)
Minimum Width
inch
cm
31cm
11.7
29.7
36cm
13.7
34.9
41cm
15.7
40.0
46cm
17.7
45.1
51cm
19.7
50.1
B
cane diameter (Fig. 2-B)
Minimum width
(all contours)
inch
cm
3/4
1.9
J3 BacK
Figure 1
a
table 1
Maximum Width
inch
cm
14.3
36.3
16.3
41.3
18.3
46.4
20.3
51.6
22.3
56.5
Figure 2
table 2
Maximum width
inch
cm
1 1/8
2.85
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