Folding
To fold the device, loose the plum knob (25) and the washer (55), fold the rail with seat (A4)
upwards and secure the rail in this folded position with the plum knob (25) and the washer
(55). To unfold, proceed vice versa.
Adapt tension
Adjusting knob for tension control:
With the adjusting knob you can con-
trol the tension in 10 steps (1=easy and
10=difficult).
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