Series 65-80
54
Substitution
DANGER: Never work with the machine
raised on a jack or suspended, rather always
place it upon suitable trestles that can
maintain the weight of the machine before
starting work.
For the substitution
of the tracks, proceed
as follows:
• Raise the side of
the machine on
which you wish to
work using
hydraulic jacks or a
crane;
• Position the
machine on
suitable trestles, and check to see that it is stable;
• Take off the cover “B” by unscrewing the screws “A”;
• Using two wrenches, loosen the counter-nut “C” and
completely unscrew both the counter-nut and nut “D”;
• Take off the track “E” starting from the anterior part;
• Mount the new track lining it up with the teeth in the
drive wheel “F”;
• Fit in the anterior part of the track onto the neutral
wheel “G”;
• Register the tension by working on nut “D”;
• Check that the arrow is at 30mm;
• When the registering is done, block the counter-nut
“C”;
• Put the cover back on.
4.5. PARKING BRAKE
Registering
A correct registering of
the parking brake is
obtained when, the brake is
deactivated with the lever
“A” in position , and the
cursor “E” is 10mm from the
hub wheel “F”.
To register, proceed as
follows:
• Unscrew the nut “B”
from the register “C”;
• Regulate the tension of
the cable “D” by working
on the register “C”;
• Verify the correct posi-
fig. 72 – Substitution of tracks
fig. 73 – Regulation
of parking brake
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