Samson 3767, Translation Of Original Instructions

Page: 65 / 112

EB 8355-2 EN 9-3
Servicing
4. Replace the cable gland (5) with the
pneumatic screw fitting (1).
5. Connect the silicone hose (2) and insert
the guard plate (4) into the housing.
6. Remount the holder with terminal block.
7. Change type designation (model num-
ber) on the nameplate to Type 3766
Pneumatic Positioner.
For details on Type 3766 Positioners, refer to
Mounting and Operating Instructions
u
EB 8355-1 .
9.3 Installing the limit switches
Î
Order number for retrofit kit
Index .03: 1400-6389
Index .04/.05: 1400-7573
Index .06 and higher: 1400-8810
Î
See Fig. 9-2
1. Unscrew the bracket with plate (1).
2.
Remove the screws (2) and replace the
entire set point calibrator (3) with a
calibrator including limit switches. Make
sure the O-ring is inserted into the
housing.
3. Attach the terminal block for the limit sig-
nals 41/42 and 51/52 in the terminal
base.
4. Guide the connecting cable to the termi-
nals and fasten.
(brown = +, blue = –)
5. Refasten the bracket with plate (1) and
stick the adhesive label for the limit
switches on the housing cover.
6. Screw additional cable gland onto the
housing.
9.4 Installing the solenoid valve
Î
Order number for retrofit kit
Index .05 and lower: 1400-7122
Index .06 and higher: 1400-8808
Î
See Fig. 9-2
1. Push the plate (5) to one side.
2.
Unscrew the four screws (7). Lift off the
black cover with the rubber gasket and
insert the solenoid valve (6). The rubber
gasket with the restriction is located in
the rear of the solenoid valve.
3. Unscrew the plate (1).
4. Attach the terminal block (10) for the so-
lenoid valve in the terminal base.
5. Insert the panel (9) at the rear of the po -
sitioner and attach it to the set point cali-
brator using two screws.
6. Guide the connecting cable down behind
the mounted panel of the set point cali-
brator and up again to terminals 81/82
and fasten (brown = plus, blue = minus).
7. Screw on the bracket with plate (1).
8. Screw additional cable gland onto the
housing.
Note