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7
Y
1
X
6
Mounting of proximity switch
Proximity switches are set when the valve is
completely assembled (with valve body).
Setting the proximity switch for the
OPEN position:
G
Remove upper screw
4
(see delivery
condition on page 21) from bonnet.
G
Move the bonnet to the open position.
G
At least 2/3 of the damping cam
3
must
be visible.
Otherwise please proceed as follows:
• Remove threaded plug
1
.
• Loosen grub screw
2
by 1-1.5 turns.
Do not unscrew grub screw
2
more than
that to prevent it from falling inside the
valve.
• Correct the position of the damping
cam
3
.
• Secure the position of damping cam
3
by fixing it with grub screw
2
.
• Screw in threaded plug
1
.
G
Screw in proximity switch
6
until it
touches damping cam
3
.
G
Turn back proximity switch
6
by 1/2 to 3/4
turns.
G
Secure this position by fixing it with nut
X
.
Setting the proximity switch for the
CLOSED position:
G
Remove lower screw
5
(see delivery
condition on previous page) from bonnet.
G
Move the bonnet to the closed position.
G
At least 2/3 of the damping cam
3
must
be visible.
Otherwise please proceed as follows:
• Remove threaded plug
1
.
• Loosen grub screw
2
by 1-1.5 turns.
Do not unscrew grub screw
2
more than
that to prevent it from falling inside the
valve.
• Correct the position of the damping
cam
3
.
• Secure the position of damping cam
3
by fixing it with grub screw
2
.
• Screw in threaded plug
1
.
G
Screw in proximity switch
7
until it
touches damping cam
3
.
G
Turn back proximity switch
7
by 1/2 to 3/4
turns.
G
Secure this position by fixing it with nut
Y
.
5
4
1
3
2
Setting the damping cam