Coltri Sub MCH 13/ET Compact Instruction Manual page 53

76
77
3 Carry out the measurement procedure again and if necessary, repeat the operations until a maximum
distance of 5 mm. is reached.
4 Replace the covers securing the appropriate screws tightly (see point 1).
Air intak Air intak Air intake filter Air intak Air intak e filter e filter e filter e filter
The intake filter must be checked to make sure it is in good order every 25 operating hours.
The filter is cleaned by blowing air inside the cartridge when it has been removed.
Replace the cartridge turning it by 60° compared to its initial position.
Maintenance
2 By exerting a pressure of at least 5 Kg., check
that the belt does not flex by more than 5 mm.
compared to its original position (Fig. 76).
If this distance should exceed 5 mm., intervene
by loosening the motor fastening screws
(Fig. 77), remove the driving belt and move the
motor away from the compressor by a few
millimetres by sliding it along the slots.
Tighten the motor fastening screws.
Refit the belt, placing it in the race provided in
the motor pulley and in the innermost race of the
fan, turning it by hand to enable the belt to go
over the diameter of the fan and to fit into the
race.
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