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Figure 7: Adjustment of the tightening pulley and maximum extension of the V-belt
Jig pin
Driven
belt
pulley
(cutting disk)
Jig pin
V-belt
6.5 Adjusting the wires of pulley, brake and wheel drive clutch.
In order to guarantee low operating forces on levers which control the drive switching, it
is advisable to lubricate the cables in Bowdens at least 2x during the season with some of oils
available in atomiser (e.g. SILKAL, MD Spray, WD40). Correct functioning of the machine
also requires correct adjustment of drive controls.
Wire in the brake Bowden must always exhibit a slight slackness (with the lever of the
cutting disk drive clutch and brake released) so that the brake performance is sufficient. In
order to achieve clearance of the brake wire in the Bowden, adjustment bolts have to be
screwed into the chassis or handlebars crossbeam at the adjustment.
Wires in the pulley Bowden and in the Bowden of wheel drive clutch must be without
slackness, slightly tense. In order to make the wires tense, adjustment bolts have to be
screwed out of the chassis or handlebars crossbeam.
Safety nuts in all adjustment bolts should be tightened by using two flat wrenches No. 10
or 9. If there is no more step to be used in the adjustment bolt, it is possible to displace the
hook on the wire into another hole in the sheet-metal lever on handlebars (or on the wheel
drive clutch lever on the gearbox and on the arm of the tightening pulley – see Figs. 7 and 8)
so that the initial tension of the wires can be again regulated by the adjustment bolt.
20
BDR-595 GMI Adela 190
Tightening pulley
Right guide
lamination
Left
lamination
Driving
belt
pulley (engine)
guide
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