Permobil M300 Service Manual page 23

Shock absorbers
Adjusting shock absorber spring force
The spring force of the shock absorber must be adjusted to the correct value.
The spring force can be adjusted to suit different body weights by means of the adjusting nut. To get
the best comfort and performance the shock absorber should be adjusted as marked on the shock
absorber (see fig. below).
Adjusting nut
Shock absorber adjusted to setting "A".
23
Shock absorbers
Setting User weight
A >90Kg / >199Ibs
B 91-136Kg / 200-300Ibs