Burkert Type 2702 - Manual (Page 15)

2702 - 15
C
ommissioning
english
Dismount the piston actuator as described below. You will avoid damage to the gaskets because the piston
will be brought into the upper position.
Connect compressed air at 4.5 to 6 bar to P (1).
Remove the blowout mouthpiece.
Unscrew the 4 screws.
Open the cover (2).
The 2 red switches for emergency manual actuation
(3) are located next to the terminal strip.
They are in the idle position when the arrow is paral-
lel to the terminal strip.
Turn the 2 switches carefully 90 degrees in the
clockwise direction (in either order) (4a).
The piston moves into the upper position and the
plug is separated from the valve seat.
Turn only the upper switch to the idle position
(4b).
The piston stays in the upper position even after the
compressed air is switched off.
Procedure for sideControl type 1067