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Instruction Manual
Form 5265
March 2006
Type 3660 and 3661 Positioners
Contents
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3660 and 3661 Positioners
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Figure 1. Type 3660 Positioner Mounted on a
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ATEX Approvals Nameplate for Type 3661
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Summary of Contents for Emerson Fisher 3660

  • Page 1: Table Of Contents

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Type 3660 and 3661 Positioners Contents Introduction ....... Scope of Manual .
  • Page 2: Introduction

    D carefully reading and understanding the P.O. Box 190; 301 S. 1st Ave. contents of this manual. If you have any questions Marshalltown, IA 50158−2823 concerning these instructions, contact your Emerson Phone: 800−338−8158 or Process Managementt sales office before Phone: 641−754−3771 proceeding.
  • Page 3 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Table 1. Specifications Available Configuration requirements for industrial locations (Table A.1 in the IEC specification document). Immunity Type 3660: Single-acting pneumatic valve performance is shown in table 2. positioner Type 3661: Single-acting electro-pneumatic valve Positioner Adjustments positioner Span: J Adjustable up to 20 mm (0.75 inch) stem...
  • Page 4 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Table 1. Specifications (Continued) Hazardous Area Classification for Type 3660 Conduit Connection for Type 3661 3660 pneumatic positioners comply with the 1/2-inch NPT (M20 or PG13 adaptors, optional) requirements of ATEX Group II Category 2 Gas and Dust Maximum Valve Stem Travel Two ranges:...
  • Page 5: Installation

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Table 3. Hazardous Area Classifications for Type 3661—North America (CSA and FM) CERTIFICATION CERTIFICATION OBTAINED ENTITY RATING TEMPERATURE CODE ENCLOSURE RATING BODY (Intrinsic Safety) Class/Division T4A (T v 82°C) CSA ENC 3 Class I, II Division 1 GP A, B, C, D, E, F, G per drawing 21B5606 Class I Division 2 GP A, B, C, D...
  • Page 6: Atex Intrinsic Safety

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Table 4. Hazardous Area Classifications for Type 3661—ATEX CERTIFICATE CERTIFICATION OBTAINED ENTITY RATING TEMPERATURE CODE ENCLOSURE RATING = 30 Vdc II 1 G —Intrinsic Safety = 150 mA T4 (T v 82°C) IP44 = 1.25 W...
  • Page 7: Positioner Mounting

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Positioner Mounting Center-Bolt Mounting (GX Actuator) Mounting on the Type 1250, 1250R, a. As shown in figure 5, a thin knockout section 3024S, and GX Actuators is cast across the mounting hole in the housing. Check to make certain this knockout section has During the following mounting procedures, refer to been removed.
  • Page 8 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Input Signal Positioner Output Direct 0.2 to 1.0 bar (3 to 15 psig) 0.4 to 2.0 bar (6 to 30 psig) 4 to 20 mA Reverse Up to 6.2 bar (90 psig) 1.0 to 0.2 bar (15 to 3 psig) 2.0 to 0.4 bar (30 to 6 psig) 20 to 4 mA...
  • Page 9 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 CENTER BOLT MOUNT NIPPLE MOUNTED FILTER REGULATOR CLAMP MOUNT SECTION FEEDBACK WEDGE NUT PLATE (KEY 104) (KEY 68) FEEDBACK LOCKWASHER ADAPTOR (K3Y 101) (KEY 103) FEEDBACK MACHINE SCREW LEVER (KEY 102) ASSEMBLY FILTER REGULATOR...
  • Page 10: Mounting On Baumannt Actuators

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 POSITIONER ACTUATOR LEG STEM CONNECTOR FEEDBACK PLATE THIN SECTION FEEDBACK LEVER PILOT SHAFT ASSEMBLY FOR SIZE 30 AND 34 ACTUATORS WITH TRAVEL BETWEEN 20 AND 30 mm (0.787 AND 1.18 INCHES) A4949-1 / IL Figure 5.
  • Page 11: Mounting On The Type 657 And 667 Actuators

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 preloaded before attaching the positioner to the actuator. 6. Attach the positioner to the actuator using a sealing washer and hex head screw (keys 71 PILOT SHAFT ACTUATOR and 72). STEM FEEDBACK LEVER ARM ASSEMBLY...
  • Page 12 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 TO POSITIONER OUTPUT TYPE 667 FILTER REGULATOR SECTION NIPPLE MOUNTED APPLY LUB FILTER REGULATOR 41B6744-D/DOC Figure 7. Positioner Mounting on Type 657 and 667 Actuators...
  • Page 13 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 SIZES 30 THROUGH 40 ACTUATORS WITH TRAVEL UP TO 30 mm (1.18 INCHES) SIZES 30 THROUGH 40 ACTUATORS WITH SIZES 45 THROUGH 60 ACTUATORS WITH TRAVEL GREATER THAN 30 mm (1.18 INCHES) TRAVEL GREATER THAN 30 mm (1.18 INCHES) B2256-1 / IL Figure 8.
  • Page 14 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 SPRING PIN FEEDBACK SPRING MUST HOOK AROUND SPRING PIN END OPPOSITE THE ZERO ADJUSTMENT SCREW ANTI-ROTATING SLOT FEEDBACK SHAFT ZERO ADJUSTMENT RETAINING SCREW (KEY 19P) FEEDBACK SPRING W7367 / IL COVER Figure 9.
  • Page 15 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 A5211 / IL Figure 12. Range Spring Alignment FEEDBACK LEVER W7366 / IL SHAFT ASSEMBLY after the feedback lever assembly is completely installed may damage the Figure 11. Range Spring Installation lever assembly flexures.
  • Page 16 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 BUSHING (AGAINST POSITIONER HOUSING) ZERO ADJUST (SELF-LOCKING) W7366 / IL W7365 / IL Figure 13. Pressing the Feedback Lever Assembly Bushing into the Positioner Figure 14. Feedback Lever Assembly in Operating Position CAUTION Note To ensure proper positioner...
  • Page 17: Pressure Connections

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Pressure Connections CAUTION Installing a Type 3660 or 3661 positioner requires The O-rings used in Type 3660 and tubing and pressure fittings. The fittings, tubing, and 3661 positioners are made of EPDM mounting parts required depend on the type number (ethylene propylene).
  • Page 18 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 ACTUATOR CENTERLINE TO POSITIONER Dimension X Type Size Inch 92.2 3.63 95.3 3.75 657/667 104.9 4.13 45/46 108.0 4.25 50/60 128.5 5.06 86.0 3.39 1250 86.0 3.39 110.0 4.33 1.21 83.5 3.29 3024S...
  • Page 19: Diagnostic Connections

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 12B8052-A A6084*/IL Figure 16. FlowScannert Valve Diagnostic System Connections Vent Connection Diagnostic Connections The Type 3660 and 3661 positioners are equipped To support diagnostic testing of with a 1/4-inch NPT vent connection in the cover. valve/actuator/positioner packages, special connectors and hardware are available.
  • Page 20: Calibration

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 4 - 20 mA POSITIONER TERMINAL HOUSING BLOCK 60 Ohms 5.6V 5.6V 5.6V CONTROL FIELD WIRING DEVICE 60 Ohms − − − − 21B2335-D A6012/IL Figure 17. Equivalent Circuit EARTH GROUND Refer to figures 17 and 18 when making electrical NOTE:...
  • Page 21 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 INCREASE TRAVEL 28B0006-B / DOC Figure 19. Adjustment Locations (Equivalents of Pressures Shown in This Drawing are: 6 bar = 86 psig, 4 bar = 58 psig, and 1.4 bar = 20 psig) Note 2).
  • Page 22 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Table 6. Range Spring Selection for Fisher Actuators TYPE 3660 3660 3661 VALVE STEM TRAVEL 0.2 to 1.0 bar 0.4 to 2.0 bar RANGE SPRING WHEN USING (3 to 15 psig) (6 to 30 psig) PART NUMBER 4 to 30 mAdc...
  • Page 23: Split Range Operation

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 CAUTION Do not use bypass operation when the positioner is reverse acting or is in split-range operation. In these cases, bypassing the positioner sends the PILOT input signal directly to the actuator. SHAFT Such a change will affect the desired (KEY 19A)
  • Page 24: Maintenance

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 FLAPPER DIRECT ACTING OUTPUT PIVOT NOZZLE REVERSE RANGE RELAY ACTING SPRING PIVOT SECTION A-A GAIN ADJ SUPPLY RANGE RELAY SPRING GAIN ADJ PILOT PIVOT SHAFT BEAM FEEDBACK FEEDBACK LEVER PLATE BEAM INPUT SUPPLY...
  • Page 25: Changing The Positioner Action

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 make adjustments as described in the Calibration remove the positioner from the actuator. Refer to the section. Removing the Positioner from Actuator section. Refer to figure 24 or 25 for key number locations. WARNING 1.
  • Page 26: Removing The Positioner From The Actuator

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Removing the Positioner from the 2. Unscrew and remove the hex nut and washer (keys 66 and 67 in figure 3), and remove the Actuator positioner. 3. To mount the positioner on the actuator, refer to WARNING the Positioner Mounting section.
  • Page 27: Disassembling And Assembling Relay Components

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 SPRING INPUT FLAPPER ALIGNED DIAPHRAGM PARALLEL ASSEMBLY ADJUSTING SCREW / FLAPPER ALIGNMENT SPRING TAB ALIGNED OVER CENTER OF NOZZLE LEVER TO INPUT MODULE MOUNTING SCREW LEVER MOUNTING SCREWS A4042-1/IL Figure 22. Flapper and Lever Alignment 4.
  • Page 28: Disassembling And Assembling The Bypass Valve

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 1. Remove all pressure from the positioner. Disconnect the supply, instrument and output tubing. 2. Remove the two cheese head screws (key 47). Lift the bypass valve from the positioner being careful not to loose the three O-rings (key 49).
  • Page 29: Parts Ordering

    For Type 3661, the kit contains keys 9, 26, 27, 28, 29, 43, 44, 45, 49, 95, and 97. Keys 43, 44, 45, and 49 are When corresponding with your Emerson Process included in kit R3660X00012, but they are not used Management sales office about this equipment, for the Type 3661.
  • Page 30 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Description Part Number Description Part Number Output gauge (optional) Flapper, A95052 11B3903X012 Dual scale Flapper spring, stainless steel 21B3904X012 0 to 2 Kg/cm 0 to 30 psig 11B4036X042 Cheese head screw, stainless steel (4 req’d) 11B3939X012 0 to 11 Kg/cm 0 to 160 psig...
  • Page 31: Diagnostic Connections

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 SECTION C-C VIEW D-D WITHOUT GAUGES 51B3944-F / DOC Figure 24. Type 3660 Positioner Assembly Diagnostic Connections FlowScannert Valve Diagnostic System Hookup Mounting Parts Includes pipe tees, pipe nipples, pipe bushings, connector bodies, and body protectors.
  • Page 32 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 VIEW A-A SECTION B-B WITHOUT COVER 51B3944-F / DOC Figure 24. Type 3660 Positioner Assembly (continued) Description Part Number Description Part Number Note Lockwasher, pl steel (2 req’d Keys 73 through 78 apply to regulator mounting parts (casing mounted only).
  • Page 33 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 VIEW D-D SECTION C-C VIEW A-A WITH M20 CABLE GLAND VIEW A-A WITHOUT COVER 51B3945-J / DOC Figure 25. Type 3661 Positioner Assembly...
  • Page 34 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 SECTION B-B 51B3945-J / DOC Figure 25. Type 3661 Positioner Assembly (continued) Description Part Number Description Part Number Washer, center bolt mounting only 1U984499012 Parts For Use With Type 1250 and 1250R Actuators Hex head screw, center bolt mounting only, Bracket, clamp mounting only, A03600 21B3931X012...
  • Page 35 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Description Part Number Description Part Number Washer, stainless steel (4 req’d) 1F1280X0022 Parts For Use With Type 3024S Hex nut, stainless steel (4 req’d) 1A3457K0012 Connector bracket, stainless steel 21B6742X012 Mounting Bracket 21B3931X012 Feedback arm, stainless steel...
  • Page 36 Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 STANDARD 28B9418-B / DOC 28B9423-B / DOC FOR BAUMANN ACTUATORS Figure 26. Feedback Lever Assembly...
  • Page 37: Loop Schematics/Nameplates

    This section includes loop schematics required for wiring of intrinsically safe installations, as well as the approvals nameplates. If you have any questions, contact your Emerson Process Management sales office. 21B5606-B Sheet 1 of 2 / DOC 21B5606−B SHT 2 / DOC...
  • Page 38: Csa And Fm Approvals Nameplate For Type 3661

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 Figure 28. CSA and FM Approvals Nameplate for Type 3661 21B5607-B / DOC Figure 29. FM Loop Schematic for Type 3661...
  • Page 39: Saa Approvals Nameplate For Type 3661

    Instruction Manual Form 5265 3660 and 3661 Positioners March 2006 INTRINSIC SAFETY TYPE N Figure 30. ATEX Approval Nameplates for Type 3661 INTRINSIC SAFETY AND TYPE n Figure 31. SAA Approvals Nameplate for Type 3661...
  • Page 40 Emerson Electric Co. Emerson Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. Loctite, 4210, and Prism are registered trademarks of Henkel Corporation. All other marks are the property of their respective owners.

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