Converting And Retrofitting The Positioner; Converting From Electropneumatic To Pneumatic - Samson 3767 Mounting And Operating Instructions

6 Converting and retrofitting
the positioner
NOTICE
Read instructions in section 7 for ex-
plosion-protected versions!
6.1 Converting from electro-
pneumatic to pneumatic
The electropneumatic positioner can be con-
verted into a Type 3766 Pneumatic Position-
er with the following conversion kit:
Required conversion kit:
M20x1.5, order no.: 1400-7575
1. Remove the holder with the terminal
block. Disconnect the cable to the i/p
module.
2. Unscrew the fastening screws and re-
move the i/p module (6) including the
seals (7, 8).
3. Place the connecting plate (3) with the
seal on the housing bores and screw
tight. The restriction must be seated in the
seal above the right inner bore.
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.
EB 8355-2 EN
Converting and retrofitting the positioner
Note:

For details on Type 3766 Positioners,
refer to Mounting and Operating In-
structions
u
1
5
Fig. 16: Converting the positioner
EB 8355-1.
2 3 4
6 7 8
47