8
1
(2.2)
(2.1)
(5.1)
(5.2)
(1)
(3)
(1)
(2)
(3)
(4)
400 N
2
3
4
5
Model 31505 (Figure 1)
Components:
-
Seat shell
(1)
-
Seat support - rigid
(2.1)
-
with 3D rocker
(2.2)
-
Fixing material - plate with 2 M5x13 screws
(3)
-
Gas spring
(4)
-
Base cross with pre-mounted castors
(5.1)
-
Base cross with slide elements
(5.2)
-
Adhesive (not pictured)
Caution!
The components must not be swapped
between the different chairs.
Preparing for assembly
Degrease the top cone of the gas spring
(4)
using a suitable
cleaning agent.
Fixing the seat shell to the seat support
(Figure 2)
Place the seat support
(2)
on the seat shell
(1)
and join
together using the supplied plate
(3)
and screws.
Assembling the chair components
(Figures 3/4/5)
Clean the cone of the seat support
(Figure 3)
and the base
cross
(Figure 4)
Apply the supplied adhesive over a length
of approx. 4-5 cm at both points. Join the parts together
and place a load of 400 N on the seating surface for at least
5 seconds
(Figure 5)
.
Caution!
The adhesive must dry well. Wait for
24 hours before subjecting the chair to its full load.