Vari F-530.1, Instructions For Use Manual, Page: 23 / 41

F-530.1
23
6.6 Diagnostics of driving problems
Problem Cause Remedial action
Tightening pulley does not
stress the belt sufficiently Set-up tightening pulley by
means of adjustment bolt
No. 2 (see Fig. 12)
Cable fallen out from
tightening pulley lever
Put the cable back
V-belt fallen behind
tightening pulley or down
from belt pulley
Put the belt back
V-belt torn Replace the belt with a new
one
Mowing knife does not turn
Excessive belt extension
(see Fig. 11) Replace the belt with a new
one
Brake cable stressed Adjust the cable so that it is
slightly slack with the lever
on
the right handrail
released; screw on the
adjustment bolt No. 1 (see
Fig. 12)
Brake cam lever
insufficiently lubricated
To be oiled
Brake performance is
insufficient
Worn lining Contact service shop
Wheel travel gear clutch
does not switch off Incorrectly adjusted control
cable No rumbling must be heard
from the gearbox when
manually turning the travel
wheel
in counter-travel
direction (wheel gear
switched off). Keep
screwing the adjustment
bolt No. 3 in until the
rumbling sound disappears.
Wheel travel gear clutch
does not engage Another gear defect Contact service shop
6.7 Tyres of driving wheels
Driving wheels have tyres with the herringbone pattern. Tyre casing size is 3.50-8“.
Size of inner tube is 3.50-8“. Adviced inflation is 180 kPa.
Tyre puncture can be repaired by common technology used by tyre service shops.
Assembly levers are recommended for pulling the tyre casing from the wheel rim.