Samson 3768, Mounting And Operating Instructions

Page: 19 / 48

EB 8356 EN 19
Attachment to the valve
3.3.4 Reversing amplifier for
double-acting actuators
Limit switches fitted with a solenoid valve
which are intended for use with double-act-
ing actuators must be equipped with a re-
versing amplifier.
SAMSON Type 3710 Reversing Amplifier
We recommend using a Type 3710 Revers -
ing Amplifier. Refer to the mounting and op -
erating instructions
u
EB 8392 for more in -
formation on how to mount and connect the
Type 3710.
Reversing amplifier (1079-1118 or 1079-
1119)
If a different reversing amplifier (item no.
1079-1118 or 1079-1119) is used, follow
the mounting instructions described below:
Î
Refer to Fig. 7
1. Remove the sealing plug (1.5). The rub -
ber seal (1.4) must remain installed.
2. Screw the special nuts (1.3) from the ac-
cessories of the reversing amplifier into
the threaded connections of the limit
switch.
3. Insert the gasket (1.2) into the recess of
the reversing amplifier and slide both the
hollowed special screws (1.1) into the
connecting boreholes A
1
and Z.
4. Place the reversing amplifier onto the
limit switch and screw tight using the two
special screws (1.1).
1 Reversing amplifier
1.1 Special screws
1.2 Gasket
1.3 Special nuts
1.4 Rubber seal
1.5
Stopper
1.3 1.2 1.1 1
Output 38
Supply
9
A
1
1.5 1.6
Z
A
2
1.4
A
1
A
2
Output 38 Supply 9
1.3 1.2 1.1
1.6
Z
A
1
From the limit switch
To the actuator
Vent plug or filter check
valve
Fig. 7: Mounting a reversing amplifier (item number 1079-1118 or 1079-1119)