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forwards or backwards, loosen both M5
fastening bolts (AF 3 mm) with washers on
each side and position the fastening bolts with
washers in the desired holes of the side panels
(use the same hole on the right and left). Then
tighten up the M5 fastening bolts (AF 3 mm)
again to 4 Nm and secure these with thread
lock fluid.
Three holes on
the top and the
bottom to adjust
the backrest
position
Figure 5: Adjusting the backrest position using holes
in the side panel or the clothing protection
19.1.2 Adjustment possibilities with an
adjustable backrest
If equipped with an adjustable and foldable
backrest, the backrest angle can be flexibly
adjusted without using tools and the backrest
can be completely folded away. The angle of
the backrest can be fixed in 7 positions.
Observe that the centre of gravity is
shifted further to the rear by the enlargement of
the angle between the backrest and the seat
system and thus, the tipping point of the
product is reached much sooner.
19.1.3 Instructions for sitting posture with
an adjustable backrest
For a good sitting posture, we recommend
positioning the backrest vertical to the ground,
where possible.
With low backrest with adaptable belt cover
due to a disability, under certain
circumstances, it may also be a benefit for a
good sitting stability to slightly tilt the backrest
to the front and to slacken the top belt of the
back padding so that the slack in the upper
area is greater (see chapter 19.2).
15
M5 fastening bolts
with washers
Operating instructions SPEEDY F4 & F2
The adjustment possibility of the backrest
angle supports active sitting and ensures for
flexibility of the wheelchair user. An example in
the following:
if the angle of the seat has been changed
(see chapter 18), the angle of the backrest
can be respectively readjusted.
When driving on slopes and when
transporting baggage (e.g. backpacks) on
the backrest, the centre of gravity shifts
more to the rear and the risk of tipping
increases. Then this can be counteracted
by a respective angle adjustment of the
backrest to the front.
For comfortable seating, the backrest can
be locked in a position to the rear so that
the backrest is tilted slightly back.
19.1.4 Adjusting the backrest angle or
folding down the backrest with an
adjustable backrest
To adjust the backrest angle, relieve this
(otherwise there is a risk of tipping) and then
loosen the locking pin that engage in the
locking holes of the side section on the left and
right. For this purpose, grasp under the seat
upholstery and in the middle, pull the cord to
the front that is linked to the locking pin.
Locking pin
Figure 6: Locking pin connected to a cord (viewed
from the inside of the frame)
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