Removing/Installing Adjustable Tension Back Upholstery; Seat Upholstery Replacement - Invacare A4 Owner's Manual

SECTION 4—UPHOLSTERY
NOTE: The adjustable tension straps can be adjusted at various levels of tension to accommodate individual end‐users. The bottom two straps
can be adjusted tightly to support and/or assist the extensor muscles.
NOTE: The back upholstery cover is designed for three reasons:
• The first is as a modesty cover.
• The second is to keep the cushion from sliding out of the back of the wheelchair.
• The third is a sacral support depending upon how far or tight the seat portion of the back upholstery cover is pulled under the seat cushion.
Removing/Installing Adjustable Tension
Back Upholstery
NOTE: For this procedure, refer to FIGURE 4.2.
NOTE: To remove adjustable tension back upholstery, reverse
STEPS 2‐4.
1. Remove the existing back upholstery from the
wheelchair. Refer to Removing/Installing Standard
Back Upholstery on page 21.
2. 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
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
grommet hole facing the rear of the wheelchair.
3. Adjust the adjuster straps to the desired tension.
4. Secure adjustable tension back upholstery to the 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.

Seat Upholstery Replacement

NOTE: For this procedure, refer to FIGURE 4.3.
1. Remove the seat cushion from the wheelchair.
2. Remove the phillips screws that secure the existing seat
upholstery to the seat frame.
3. Remove the existing seat upholstery.
4. Install the NEW seat upholstery by reversing the above
steps.
5. Reinstall the seat cushion onto the wheelchair.
WHEELCHAIR DEPTH
14 to 15-inches
16 to 17-inches
18-inches
19 to 20-inches1
22-inches1
A4 Owner's Manual
NUMBER OF SCREWS
10
12
14
16
18
Fastening Strap
Back Upholstery Cover
Back Upholstery
Anchor Loops
Mounting Screw
FIGURE 4.2 Removing/Installing Adjustable Tension
Phillips Screws
FIGURE 4.3 Seat Upholstery Replacement
22
Seat Portion of Back
Upholstery Cover
Fastening
Strap
Mounting Hole
Back Upholstery Adjuster Straps
Back Upholstery
Seat Frame
Part No 1110545
Back Cane
Seat
Upholstery