Samson 3730-0 Mounting And Operating Instructions

Also see for 3730-0: Mounting and operating instructions Quick guide Mounting and operating instructions

Samson 3730-0 Mounting And Operating Instructions Manual pdf 18 page image

18 EB 8384-0 ENAttachment to the control valve – Mounting parts and accessories4.2 Attachment according toIEC 60534-6 (NAMUR)The positioner is attached to the control valveusing a NAMUR bracket (10).Refer to Table 5 on page 33 for the re-quired mounting parts and accessories listedwith their order numbers.Refer to travel table on page 13.1. Screw the two bolts (14) to the bracket(9.1) of the stem connector (9), place thefollower plate (3) on top and use thescrews (14.1) to fasten it.Actuator sizes 2800 cm² and 1400 cm²with 120 mm travel:For a travel of 60 mm or smaller, screwthe longer follower plate (3.1) directly tothe stem connector (9).For a travel exceeding 60 mm, mountthe bracket (16) first and then the follow-er plate (3) to the bracket together withthe bolts (14) and screws (14.1).2. Mount NAMUR bracket (10) to the con-trol valve as follows:For attachment to the NAMUR rib, usean M8 screw (11) and toothed lockwasher directly in the yoke hole.For attachment to valves with rod-typeyokes, use two U-bolts (15) around theyoke. Align the NAMUR bracket (10) ac-cording to the embossed scale so that thefollower plate (3) is shifted by half thebracket range to the NAMUR bracket(the slot of the follower plate is centrallyaligned with the NAMUR bracket at midvalve travel).3. Mount connecting plate (6) or pressuregauge bracket (7) with pressure gauges(8) on the positioner, making sure thetwo seals (6.1) are seated properly.4. Select required lever size (1) M, L or XLand pin position according to the actua-tor size and valve travel listed at the bot-tom of the travel table.Should a pin position other than position 35with the standard lever M be required, or alever size L or XL be required, proceed asfollows:5. Screw the follower pin (2) in the assignedlever hole (pin position) as listed in Ta-ble 2 on page 13. Only use the longerfollower pin (2) included in the mountingkit.6. Place the lever (1) on the shaft of the po-sitioner and fasten it tight using the diskspring (1.2) and nut (1.1).NOTICEIf a new lever (1) has been mounted,move it once all the way as far as itwill go in both directions.7. Place positioner on the NAMUR bracketin such a manner that the follower pin(2) rests in the slot of the follower plate(3, 3.1). Adjust the lever (1) correspond-ingly.Screw the positioner to the NAMURbracket using both its mounting screws.