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 net 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 read off at the manometer 2.
For adjusting the operating pressure lift the twist handle 1 and twist it
correspondingly.
Tur n in clockwise direction = increase the air pressure
Tur n counter-clockwise = reduce the air pressure
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1
2
3
4
