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Leave the loop
Figure 24: Step 7: Double passage
Figure 25: Step 8: Threading in the belt
Figure 26: Step 9: The belt has been fully threaded
18.3 Ergonomic back shell & its setting
options
The "ergonomic back shell" back system con-
sists of an aluminium shell, Velcro cross-straps
and back padding.
Slack is already integrated into the back shell
due to its shape. It cannot be adjusted.
However, lumbar support can be adjusted
individually using the Velcro cross-straps. For
this purpose, the back padding is removed
over the Velcro straps. The cross-straps can
now be tensioned according to the individual
requirements by releasing and refastening the
Velcro strap system.
19
Usage instructions SPEEDY F4 and F2
Figure 27: Ergonomic back shell (view from behind)
Velcro cross-straps
Figure 28: 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.
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