Cap.7 _ Maintenance
pag.
49
Use and maintenance manual
MCH-36
To replace the transmission belts proceed as
follows:
- insert a screwdriver (
a
) between the first belt (
b
)
and the pulley (
c
) of the cooling fan (
d
);
- rotate the fan (
d
) anticlockwise until the belt
comes out of the pulley groove;
- repeat the procedure on the second belt;
- change the belts with new ones: make sure the
belt model and length are exact, check that the
characteristics of the new belt are identical to
those of the old one;
- insert the new belt on the internal groove of
the electric motor pulley (
e
);
- insert the belt on the internal groove of the
fan pulley while simultaneously turning the
fan by hand until the belt slips perfectly into the
groove of the pulley (second photo);
- check that the belt is inserted perfectly in the
grooves of the two pulleys and that belt tension
is correct;
- insert the second belt and carry out the same
procedure described for the first belt.
If belt tension is not correct contact the
AEROTECNICA COLTRI S.r.l. technical assistance
service.
7.9.2 - CHANGING THE TRANSMISSION BELTS
a
b
c
d
e