Samson 3767 - 6 Converting and Retrofitting the Positioner; Converting from Electropneumatic to Pneumatic

EB8355-2EN 47
Convertingandretrottingthepositioner
6 Convertingandretrotting
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tting(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.
Note:
For details on Type3766 Positioners,
refer to Mounting and Operating In-
structions u EB8355-1.
1234
5678
Fig.16:Converting the positioner
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