47
Maintenance and Service
5. Turn the hexagon nut (Fig. 17/4) so
far on the eye bolt (Fig. 17/5) until
the tension spring (Fig. 17/2)
tensions and the friction wheel
retracts 1-2 mm from the drive shaft
(Fig. 16/3).
6. Turn the hexagon nuts (Fig. 17/4)
one revolution further.
7. Complete any fine adjustment using
the Bowden cable adjusting nuts
(Fig. 17/3) on the handlebar: turn the
adjusting nuts (Fig. 17/3) so that the
distance between friction wheel and
drive shaft is between 0.4 and 1 mm.