TCC BASIS 18 Guide D'utilisation page 8

Caution! The pneumatic springs should
be repaired or replaced by trained
personnel only.
3. Weight adjustment
The weight adjustment regulator is
located at the front beneath the seat.
Turn it to the left to obtain a light setting,
or to the right to tighten the mechanism.
4. Armrest adjustments
Basis 18, 20, 30
A-Armrests fixed, not adjustable
MFA-Armrests, height adjustable
Push the button on the outside of the
armrest underneath the pad to adjust the
height of them.
5. Height adjustable backrest
The back height can easily be adjusted
using the hand-wheel. Unscrew the
hand-wheel in an anti-clockwise