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9:1 Backrest Height Twin
The backrest is settable to a height of
40, 42.5, 45 and 47,5 cm. Undo the
screws (A). Pull the backrest uphol-
stery upwards. Unscrew the nuts (B)
and adjust to the desired height. Make
sure that both sides have the same
height.
9:2 Backrest angle
The angle is infinitely variable be-
tween -0° and +6°
. Loosen the nut,
0
install the desired angle and tighten
the nut again.
Tools: 13 mm ring spanner
(!) Check that the angle is the
same on both sides by com-
paring the distance between
the back tube and the armrest
guard.
9:3 Backrest upholstery (option)
The shape of the backrest upholstery
is individually adjustable by means
of five Velcro straps and the backrest
cover.
-
Give the backrest cover plenty
of room between seat and
backrest, so that it is possible to
"sit in" against the backrest.
-
Loosen all straps and ensure
the user is sitting as far back in
the seat as possible.
-
Tighten the straps so that they
follow the contours of the back
and give support to the lumbar
region.
Risk of tipping: Always check
the positioning of the anti-tips
when adjusting the backrest
upholstery.
9 Settings backrest
Tools: 3 mm Allen key, 8 mm
ring spanner.
Risk of tipping: Always check
the positioning of the anti-tips
when changing the backrest
angle.
(!) Do not over-tighten the
upper Velcro straps as this can
prevent the cross-brace from
unfolding properly, i.e. the back
tubes do not sit flush in the
side-frames.
13
A
B
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