500
510
520
530
Table 4
Mechanical back angle adjustment values
6.9.4 Replacing the Armrest/Adjusting the Height
To adapt the armrests to the upper arm length of the user, the corresponding fixing hole on the
rear of the backrest has to be selected.
Tools:
❒ Allen wrench, size 6 mm
Steps:
1. Loosen and remove the two Allen head screws attaching the armrest to the backrest; hold
the armrest with one hand so it does not fall.
2. Place the armrest at the desired fixing hole and retighten the Allen head screws.
Figure 55 Changing the armrest height setting
6.9.5 Changing the Armrest Position
To adapt the armrest to the forearm length of the user, the screw connections on the underside
of the armrest must be changed.
Tools:
❒ Allen wrench, size 3
Steps:
1. Loosen the two set screws on the underside of the armrest.
2. If the control panel is attached to the armrest, the control panel must also be loosened (see
Section 6.13.2).
130
140
150
160
E6 — C3
D5 — B2
C4 — A1
D6 — B3
55