6.3 Adjusting the caster wheels
6.3.1 Adjusting the caster journal angle
When the drive wheels have been adjusted for the user, the caster journal angle must be adjusted at the caster
wheel adapter.
The threaded axle in the caster wheel adapter should be perpendicular to the ground to ensure optimum rolling
behaviour of the wheelchair. The caster wheel adapter permits a continuous adjustment of this angle.
1) Remove the caps from the caster wheel adapters (see fig. 7, item 1).
2) Slightly loosen the Allen head screws on the inside of the frame (see fig. 7, item 2).
3) Slightly loosen the Allen head screw on the eccentric (see fig. 7, item 3).
4) Position the assembly aid (spirit level) (see fig. 8, item 1).
5) Adjust the positive/negative caster to
90°
on the eccentric disc using a large flat screwdriver (see fig. 8,
item 2). The assembly aid (spirit level) must be in the centre position.
6) Tighten the Allen head screw on the eccentric to
8 Nm
(see fig. 7, item 3).
7) Tighten the Allen head screws on the inside of the frame to
23 Nm
(see fig. 7, item 2).
→
The threaded axle on each of the two caster wheel adapters must be positioned vertically.
7
8
6.3.2 Changing the installation position of the caster wheels
INFORMATION
Please note that horizontally shifting the caster forks on the frame is not intended. The resulting change in the
wheelbase can result in an increased tipping tendency.
The seat height/angle can be subsequently adjusted by changing the position of the casters in the caster forks or
using different wheel sizes.
Please refer to the installation matrix in the section "Technical data" for permitted positions and combinations of
drive wheels and caster wheels.
1) Unscrew the screw connection of the threaded axle (see fig. 9).
2) Remove the threaded axle/spacers.
3) Remove the caster wheel.
4) Insert the threaded axle with the first spacer bushing offset in one of the four bore holes.
5) Install the caster wheel.
6) Push on the 2nd spacer bushing (see fig. 10, item 1).
7) Tighten the threaded axle to
8 Nm
.
→
Once changed, the left and right caster wheels must have the same vertical position in the caster fork.
12
Settings
Avantgarde XXL 2
Содержание Avantgarde XXL 2
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