20
Cobra 40-10/2K
.
2
2
4
1
5
B_01208
B_01235
2
3
1
OPERATING MANUAL
EDITION 10/2010
PART NO. DOC322871
4.4.2
PRESSURE REGULATOR UNIT
1 Pressure
regulator
2 Ball
valve
3 Pressure
gauge
4
Compressed air inlet
5
Filter pressure regulator AirCoat (Option)
The AirCoat regulator (5) must mounted in all mounting variants
of diaphragm pump in vertical position.
Positions of the ball valve
1 Closed: Operating pressure in the air motor will be vented.
(Control pressure is available)
2
Closed: The air motor can still be under pressure.
3 Open:
Working
position
Note:
The air pressure for the control unit in the air motor is present
also with closed ball valve (position 1 and 2). The pressure reliefs
of the control unit takes place with the separation of the air pres-
sure supply.