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Invacare X-Terminator BB User Manual

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SECTION 4—BACK
32
Adjustable Tension Back Upholstery
 WARNING
The position of the footrest, seat angle, back angle, seating system/upholstery, 
caster size and position, rear wheel size and position, use of anti-tippers, as well as 
the user condition directly relate to the stability of the wheelchair. Any change to 
one or any combination of the ten may cause the wheelchair to decrease in stability. 
EXTREME care MUST be taken when changing the stability of the wheelchair. Refer 
NOTE: For this procedure, refer to FIGURE 4.4.
The Adjustable Tension Straps
The 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.
The Back Upholstery Cover
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 flap is pulled 
under the seat cushion
Replacing Adjustable Tension 
Back Upholstery
1. Remove the back height adjustment 
screws that secure the back canes to the 
back uprights. 
2. Slide the back canes out of the back 
uprights.
3. Remove the two screws and washers 
that secure the existing back upholstery 
to the back canes.
4. Slide the existing back upholstery 
down and off the back canes.
FIGURE 4.4   Adjustable Tension Back 
Back Canes
Back 
Upright
Back Height 
Adjustment 
Screw
Fastening Strap
Back Upholstery Cover
Fastening Straps
Adjuster Strap
Anchor 
Loop
Back 
Cane
Upper 
Grommet 
Hole
Back Upholstery 
Anchor Loop Section
Mounting Screw
Back Upholstery Adjuster Strap Section