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6.6.1.2 Adjusting the "ultralight" back support upholstery
The back support upholstery can be adapted somewhat to the needs of the user by adjusting the length of the
upper strap.
1) Remove the back support pad.
2) Loosen the hook-and-loop fastener of the upper strap (see fig. 49).
3) Use the hook-and-loop fastener to fasten the upper strap with the desired tension.
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6.6.2 Adjusting the seat upholstery
The seat upholstery usually does not need to be adjusted during the initial fitting. However, re-tightening the slack
is possible. Corrections to the centre of gravity must be made by making changes to the settings on the frame, the
axle unit and the caster wheels.
"Ultralight" seat upholstery
There are no adjustment possibilities for the "ultralight" seat upholstery.
"Complete" seat upholstery (two-piece) and seat upholstery with storage compartments
Prerequisite: The seat cushion has been removed.
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1) Remove the caps (see fig. 50, item 1/2).
2) Slightly fold the crossbrace and pull the seat upholstery out of the crossbrace (see fig. 51).
3) Loosen the hook-and-loop fastener on the underside of the seat upholstery (see fig. 52, item 1).
4) Tighten or loosen the seat upholstery. Close the hook-and-loop fastener again. Make sure the upholstery bars
are inserted correctly (see fig. 52, item 2).
5) Slide the seat upholstery onto the crossbrace with the help of the upholstery bars (see fig. 53, item 1).
6) Replace the caps and insert them into the frame tube using a soft-faced hammer.
7) Unfold the wheelchair. In doing so, the crossbrace must be seated fully in the support guides.
Avantgarde 4
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