31
30
34
3
Backrest belt, standard
The standard-back strap is spanned
through the backrest tubes.
The extended back part (fig. 33/
➂
) is
velcro strapped underneath the seat
surface.
Backrest belt, adjustable
(Option)
The tension of the strap part (fig. 33/
➁
) is adjustable through the velcro
straps.
The adjustable back strap
➀
is attached
to the adjustable strap part
➁
with
velcro straps.
The extended back part (fig. 33/
➂
) is
velcro strapped underneath the seat
surface.
Adjusting the tension of the
back strap
After pulling off the back cushion the
tension of the back straps can be ad-
justed through the single straps (fig.
34/
➂
).
!
Attention:
The overlapping of the Velcro fas-
tener has to be at least 10 cm!
33
ORTOFLEX
Upholstery
ORTOFLEX
Strap part
Standard
Seat cover
Standard
Back cover
3
2
1
BACKREST
Standard backrest
Tools:
1 x open-end or ring spanner WW* 13
1 x hexagonal stud wrench WW* 6
The angle of the standard backrest (fig.
30) can be infinitely adjusted between
approx. 0° to 30° (fig. 31/
➀
) with the
adjustment screw and the lock nut.
Folding over the backrest
Screw far out the clamping screw (fig.
31/
➁
) at both sides. Pull up the back-
rest and then fold it forwards (fig. 32).
Folding up the back
Bring the backrest into the upright
position, then press it fully down and
tighten the clamping screws (fig. 31/
➁
).
*WW = Wrench width (mm)
31
32
30
1
2
