9.5 Connecting the maintenance unit
The pneumatic system of the machine and its optional equipment must
be supplied with compressed air containing absolutely no water or oil.
–
Screw the maintenance unit on the stand.
–
Connect the maintenance unit with the thicker one 3 of the three
compressed-air hoses coming out of the cable chute of the
automat.
–
Connect the thinner hose to the connection 4.
–
Connect the maintenance unit with your pressure supply.
ATTENTION !
For a faultless function of the pneumatic control processes the
compressed-air circuit must guarantee an operating pressure of
6 ± 0,5 bar.
The compressed air must be clean (oil-free).
Pneumatic connection package
A pneumatic connection package for stands with maintenance
unit and pneumatic optional equipment is available under order
number 0797 003031:
–
Connection hose, 5 m long, Ø = 9 mm
–
Hose nozzles and hose clamps
–
Coupler socket and coupler plug R ¼"
9.6 Adjusting the operating pressure
The operating pressure of the automatic buttonholer amounts to 6bar.
It can be r ead at the manometer 2.
–
For adjusting the operating pressure lift the twist handle 1 and twist
it correspondingly.
Turn in clockwise direction = increase the air pressure
Turn counter-clockwise = reduce the air pressure
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