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Adjusting the friction wheels
(Fig. 6.4)
To check and adjust the preload of the friction
(driving) wheels
(2)
, proceed as follows:
a) remove the guard
(2)
(Fig. 6.3);
b) loosen the lock nut
(1)
;
c) loosen the preload screw
(3)
of the springs
(4)
until they are fully released;
e) make sure that the friction wheel
(2)
is in contact with the disk
(5)
and tighten the screw
(3)
until it compresses the springs
(4)
for 3 ÷ 4 mm;
f) tighten the nut
(1)
and refit the guard.
45
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