Adjustable Tension Back Upholstery - Invacare spyder Service Manual

FRAME
ADJUSTABLE TENSION BACK
UPHOLSTERY (FIGURE 6)
The Adjustable Tension Straps
The straps can be adjusted at various levels of tension to
accommodate individual end-users. The bottom two (2)
straps can be adjusted tightly to support and/or assist the
extensor muscles.
The Back Upholstery Cover
The back upholstery cover is designed for three (3)
reasons:
1. The first is as a modesty cover.
2. The second is to keep the cushion from sliding out of
the back of the wheelchair.
3. The third is a sacral support depending upon how far
or tight the flap is pulled under the seat cushion.
Installing Adjustable Tension Back
Upholstery
1. Remove the existing back upholstery from the wheel-
chair. Refer to STEPS 1-5 in REPLACING OPTIONAL
BACK UPHOLSTERY in this procedure of the manual.
2. Using the mounted back cane as a guide, reinstall the
loose back cane to the wheelchair frame with the ex-
isting allen screw and locknut.
NOTE: The back canes must be mounted in the same
height adjustment hole.
3. Stand behind the wheelchair and perform the following:
A. Slide anchor loop section of adjustable tension back
upholstery over the LEFT back cane with the upper
grommet hole facing the rear of the wheelchair.
B. Slide adjuster strap section of adjustable tension back
upholstery over the RIGHT back cane with the up-
per grommet hole facing the rear of the wheelchair.
4. Secure adjustable tension back upholstery to back canes
with the mounting screws. Torque to 20-25 in./lbs.
NOTE: Clean the upholstery with warm water and mild
detergent to remove superficial soil.
WARNING
After the adjustable tension back uphol-
stery has been positioned to the end-us-
ers individual needs, the fastening straps
MUST be securely fastened BEFORE apply-
ing the back upholstery cover. The adjust-
able back should be checked whenever
entering the wheelchair to ensure that the
fastening straps are securely fastened.
5. Slip adjuster straps through corresponding anchor
loops and adjust the back upholstery. Secure with
the fastening straps.
6. Install back release cord. Refer to REMOVING/IN-
STALLING/ADJUSTING BACK RELEASE CORD in
this procedure of the manual.
7. Secure the back upholstery cover (fastening strap) to
the back of the adjustable back upholstery (fastening
strap).
8. Flip the back upholstery cover over the adjustable back
upholstery and secure the fastening straps to the front
of the adjustable back upholstery.
9. Lay the front portion of the back upholstery cover on
the seat upholstery.
10. Adjust the slack in the back upholstery cover and then
secure to the seat upholstery.
Removing Adjustable Tension Back
Upholstery
1. Remove the back upholstery cover from the seat and
back upholstery.
2. Remove the back release cord. Refer to REMOV-
ING/INSTALLING/ADJUSTING BACK RELEASE
CORD in this procedure of the manual.
3. Remove mounting screws from upper grommet
holes in back upholstery.
4. Slide anchor loop section and adjuster strap section
of back upholstery off back canes.
Fastening Strap
Back Upholstery
Anchor Loop Section
Mounting Screw
Back Upholstery Adjuster Strap Section
FIGURE 6 - ADJUSTABLE TENSION BACK
UPHOLSTERY
15
PROCEDURE 3
Back Upholstery Cover
Fastening Straps
Adjuster Strap
Back
Anchor
Cane
Loop
Upper
Grommet
Hole
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