Usage instructions SPEEDY 4all & 4you & 4teen
24
Figure 40: Ergonomic back shell without back pad-
ding with Velcro cross-straps (view from the front)
Then mount the back padding using the Velcro
straps.
18.4 Ergo Back backrest bracket and
its adjustment possibilities
The back system "Ergo Back backrest bracket"
normally consists of a backrest bracket (with or
without lumbar curvature) and an adjustable
backrest upholstery including customised back
padding. The adjustment possibilities of the
adjustable backrest upholstery
are de-
scribed in Chapter 18.2.
Figure 41: Ergo Back backrest bracket with adjusta-
ble backrest upholstery, back padding attached
(view from the rear)
Figure 42: Ergo Back backrest bracket with adjusta-
ble backrest upholstery with four belts, back pad-
ding removed (viewed from the rear)
If the Ergo Back backrest bracket is fitted with
a
back shell
instead of the adjustable backrest
upholstery, the adjustment possibilities de-
scribed in Chapter 18.3 apply.
Figure 43: Ergo Back backrest bracket with back
shell (viewed from the rear)
19 Seat system
Avoid falling into the seating and backrest
upholstery/back shell as it significantly in-
creases the risk of an adjustment, falling down
or defects.
The seat system usually consists of either
sprung Body Contour seat upholstery or a belt
system. The SPEEDY 4teen is additionally
equipped with the aluminium seat plate.
Velcro cross-straps
Middle
belts
Bottom belt
Top belt
