Samson 3730-4 Quick Start Manual

Also see for 3730-4: Mounting and operating instructions Mounting and operating instructions Operating instructions Operating instructions Mounting and operating instructions

Samson 3730-4 Quick Start Manual Manual pdf 1 page image

i/p Positioners Types 3730‑4/‑5This Quick Guide does not substitute the mounting and operatinginstructions delivered with the positioner. The warnings and safetyinstructions in the mounting and operating instructions must befollowed.1 MountingDirect attachment to SAMSON Type 3277 ActuatorTravel [mm] Actuator [cm²] Lever Pin position7.5 120 M 2515 120, 175, 240, 350 M 3530 355, 700, 750 M 50Î To mount the positioner, lift the lever so that the follower pin restson the follower clamp of the actuator stem. Make sure the levercan move freely.NAMUR attachmentTravel [mm] Actuator [cm²] Travel Pin position7.5 60, 120 with Type 3510 Valve S 177.5 120 M 257.5 700, 750 M 3515 120, 175, 240, 350 M 3515, 30 355, 700, 750 M 5030 1000, 1400, 2800 L 7060 1000, 1400, 2800 L 100120 1400, 2800 XL 200200 See manufacturer‘s spefications XXL 300Î Determine the travel range of the control valve (closed position toas far it will go in the other direction) by applying the max. supplyair to the actuator and then venting the actuator completely.Î Fasten the lever with the follower pin onto the shaft of thepositioner.Î Fasten the NAMUR bracket onto the valve yoke so that it is alignedcentrally to the slot of the follower plate when the travel positionis at approx. 50 %.Î Fasten the positioner to the NAMUR bracket, making sure that thefollower pin is in the slot of the follower plate. Make sure the levercan move freely.Attachment to rotary actuatorsLever Pin positionM 90°Î Place the valve into the closed position. Determine the openingdirection.Î Place the follower plate on the slotted actuator shaft and fasten itto the coupling wheel. Mount the top and bottom brackets to theactuator.Î Fasten the positioner on the bracket. Make sure that:– The lever with its follower pin engages the slot of the couplingwheel, while taking into account the opening direction.– The lever in the middle valve position is parallel to the long sideof the positioner housing.2 Start‑up1. Apply supply air (1.4 to 7 bar).2. Connect electrical reference variable according to IEC 61158-2.

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