Adaptation By Replacing The Caster Fork; General Instructions; Adjusting The Tipping Point - Proactive TRAVELER Service Booklet

TRAVELER usage instructions
Top position
Middle position
Bottom position
Figure 18: Three positions in the caster fork for posi-
tioning the caster wheel and its effect on the front
seat height
The instructions for disassembly and assembly
of the caster wheels can be found in Chapter
23.1.
18.2.2 Adaptation by replacing the caster
fork
If the adjustment range of the existing caster
fork is insufficient, the next larger or smaller
one can be used.
In doing so, the bottom position of the fork size
1 is equivalent to the top position of fork size 2
and the bottom position of fork size 2 to the top
position of fork size 3.
Size 3
185 mm
Angle of
seat/front
seat height
reduce
Angle of
seat/front
seat height
increase
Figure 19: Caster fork sizes with marking of the
same seat height settings with different caster fork
sizes
The instructions for replacing the caster forks
can be found in Chapter 23.3.

18.2.3 General instructions

When changing the angle of seat or front seat
height each time:





18.3 Adjusting the tipping point

Optimum product tipping behaviour is
achieved when the axle mount of the drive
wheels is close to the body centre of gravity. A
Size 2
155 mm
the caster wheel axles must be readjusted
(see Chapter 23.4).
the backrest angle may have to be reposi-
tioned (see Chapter 19.1.3).
make sure that there is sufficient ground
clearance under the footrest. Experience
shows that this should not be less than
4 cm (see Chapter 24).
if necessary, the height of the anti-tipping
support may have to be readjusted (see
Chapter 25.3).
Size 1
125 mm
125 mm
18