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Use and Maintenance Manual
M
MCCHH88--1111//EEM
M -- M
MCCHH1133--1166//EETT
Standard
Cap.7 _ Maintenance
To change a belt proceed as follows:
- insert a screwdriver (
a
) between the belt (
b
) and
the motor pulley (
c
).
- take the belt out of the pulley groove.
- replace the belt with a new one, making sure that
model and length are correct: check that the
characteristics of the new belt are identical to the old
one.
- insert the belt in the groove of the motor pulley (
c
).
- insert the belt in the groove of the compressor
pulley (
d
): turn the pulley by hand until the belt slips
into the pulley groove perfectly (second diagram).
- check that the belt is inserted perfectly in the
grooves of both pulleys and that belt tension is
correct.
If the tension of the new belt still fails to comply with
the necessary requisites contact
AEROTECNICA
COLTRI
assistance service.
c
b
a
d
d
TRANSMISSION BELT
7.10
Belt tension must be checked monthly.
The transmission belts must be replaced every 500 working hours of the compressor.
DANGER
Do not carry out these tasks if the compressor has only just shut down; wait for the
compressor to cool.
All maintenance work must be carried out with the compressor OFF and the power
supply lead unplugged from the mains socket.
Checking transmission belt tension
7.10.1
To check the tension on the belt (
a
) exert a pressure
of approximately 10 Kg on the belt; check that the
belt does not flex by more than 1 cm with respect to
its original position.
Should it flex more than this replace the belt.
a
Changing transmission belt
7.10.2
