Sunrise Medical Jay J3 Back Owner's Manual page 7

JA Y 3 B AC K
A. J3 (SH, RH, RHF, & TH) HARDWARE
Please read the following instructions before beginning the installation. To install the J3 Back,
with 2-point hardware, it is best to begin without a user in the wheelchair. Once the back
has been installed the user can be seated back in the wheelchair for minor adjustments.
1. Tools required (included with the J3 back):
a. 4mm hex key
b. 10mm box end wrench
B. BACK HARDWARE INSTALLATION
1. Remove existing back components
a. Remove the existing wheelchair back according to the wheelchair manufacturer's
instructions.
b. Remove any pre-existing back hardware or components.
2. Locating the hardware receivers
a. The backshell should come with mounting brackets (A) attached.
b. Visually determine the optimum clamp receiver location (B) on the back canes. The
mounting hardware should be at approximately equal heights on each back post (Fig.
7), and parallel to the seat frame (Fig. 8).
NOTE – A higher location on the back canes are generally better.
3. Attaching the Hardware receivers
a. Using the 4mm hex key, Loosen the clamp screws (Fig. 9) (C)
NOTE – For Large tube diameters, the clamp screws may have to be removed completely.
b. Attach and align the receiver to the wheelchair back canes (D).
c. Hand tighten the clamp screws (C).
d. The receivers may require additional lateral adjustments to ensure proper alignment.
4. Attaching and aligning the J3 Back shell.
a. Using a 10mm wrench, loosen the bracket nuts (E), and mounting pin bolts (H) until
the hardware can move easily in all directions.
b. Attach the J3 Back to the hardware receivers by inserting left and right mounting pins
(F) in the left and right receivers (G).
c. Locate the back to the approximate location, relative to both the chair and the user.
d. Tighten bolts on the inside of the mounting pin (F). The recommended torque specifi-
cation is 100-110 in/lbs. (11.3-12.4 Nm)
e. Once all components have been properly aligned, tighten the clamp screws(C) to
approximately 75-85 in-lbs (8.5-9.3 Nm).
f. Finish by inserting the locking pin into the receiver, and releasing a few times to
ensure smooth operation.
NOTE – Back depth and angle may require additional adjustment to ensure proper fit to the user.
5. Installing RHF hardware to the J3 Back shell.
a. Using the 4mm hex key, Loosen the clamp screws (Fig. 9) (C)
NOTE – For Large tube diameters, the clamp screws may have to be removed completely.
b. Attach and align the clamp to the wheelchair back canes (D).
c. Hand tighten the clamp screws (C).
d. The clamps may require additional lateral adjustments to ensure proper alignment.
c. Locate the back to the approximate location, relative to both the chair and the user.
d. Instead of the pin assembly, the clamp hardware attaches directly to the backshell
mounting bracket with hardware (H) shown in (Fig. 11).
e. The recommended torque specification is 100-110 in/lbs. (11.3-12.4 Nm)
e. Once all components have been properly aligned, tighten the clamp screws(C) to
approximately 75-85 in-lbs (8.5-9.3 Nm).
f. Finish by inserting the locking pin into the receiver.
7 8 9 10 11
7
VI. INSTALLATION
parallel
parallel
10
height
width
11
103721 Rev. F
7
8
9