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Manual Fisher 657

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  • Fisher 657 - page 1

    www.Fisher.com D100307X012 Type 6 57 D iaphragm A ctuators S i z e 80 and 10 0 Contents Introduction 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Scope of Manual 2 . . . . . . . . . . . . . . . . . . . . . . . . . Description 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications 2 . . . . . . . . . . . . . ...

  • Fisher 657 - page 2

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 2 T able 1. Specifications SPECIFICA TIONS ACTUA TOR SIZE 80 100 Nominal Effective Diaphragm Area cm 2 1761 2902 inch 2 273 450 Y oke Boss Diameters mm 127 127 178 inch 5 5H (1) 7 Acceptable V alve Stem Diameters mm 25.4 or 31.8 31.8 50.8 inch 1 or 1-1/4 1-1/4 2 Maximum Allowabl ...

  • Fisher 657 - page 3

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 3 Installation W ARNING To avoid personal injury or parts damage, do not exceed the Maximum Diaphragm Casing Pressure listed in table 1. The Maximum Diaphragm Casing Pressure must not produce a force on the actuator stem greater than the maximum allowable actuator output thrust ...

  • Fisher 657 - page 4

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 4 is properly connected to the actuator. Refer to the positioner instruction manual as necessary. 4. Cycle the actuator several times to check that the valve stem travel is correct and that the travel occurs when the correct pressure range is applied to the diaphragm. 5. If valv ...

  • Fisher 657 - page 5

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 5 Figure 3. Dimension B for Spring Adjustment LOWER DIAPHRAGM CASING SPRING SEA T JAM NUT ADJUSTING NUT A0950-1 / IL B For high spring forces, it is necessary to use spacers between the lower diaphragm casing and the spring seat to isolate spring force from the adjusting nut. W ...

  • Fisher 657 - page 6

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 6 sure the actuator cannot suddenly open or close the valve. D Use bypass valves or completely shut off the process to isolate the valve from process pressure. Relieve process pressure from both sides of the valve. Drain the process media from both sides of the valve. D Vent the ...

  • Fisher 657 - page 7

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 7 9. Unscrew cap screws and nuts (keys 62 and 63), and remove spring case (key 29). Cap screws (key 62) on units with side-mounted handwheel do not use hex nuts (key 63). 10. For actuators without side-mounted handwheel, remove adjusting flange (key 36) and attached thrust beari ...

  • Fisher 657 - page 8

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 8 Table 2. Maximum Torque Values DIAPHRAGM MATERIAL INITIAL TORQUE N S m (lbf S ft) FINAL TORQUE N S m (lbf S ft) EPDM/Meta-Aramid 41 (30) 82, +/−13 (60, +/−10) Nitrile, Silicone, FKM/Meta-Aramid 34 (25) 68 (50) 7. Insert the cap screws (key 22) into the diaphragm casing, an ...

  • Fisher 657 - page 9

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 9 (used with group 1 springs only), and spring seat (keys 115, 114, 35, and 11). 11. Remove seal bushing (key 111) and diaphragm casing cover O-rings (keys 112 and 113) from upper diaphragm casing (key 123). Replace with new parts if necessary. Apply lithium grease lubricant to ...

  • Fisher 657 - page 10

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 10 12. After the last hex nut is tightened to 68 N S m (50 lbf S ft), all of the hex nuts should be tightened again to 68 N S m (50 lbf S ft) in a circular pattern around the bolt circle. 13. Once completed, no more tightening is recommended. 14. Install the actuator stem extens ...

  • Fisher 657 - page 11

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 11 flange so that the key engages the slot in the lower sleeve. Secure adjusting flange with cap screws (key 64). 9. Adjust set screws (key 40) to eliminate free play in the bearings. Note Over-tightening the set screws will make handwheel operation difficult. 10. Install the ad ...

  • Fisher 657 - page 12

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 12 block (keys 133, 183, 175, and 179) into the body as shown in figure 6 and install support screws (key 182). 3. Install handwheel and hex nut (keys 51 and 54). 4. Install a new handwheel gasket (key 185). 5. Mount the handwheel assembly on the diaphragm casing, and secure wit ...

  • Fisher 657 - page 13

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 13 Parts Ordering Each actuator has a serial number stamped on the nameplate. Always refer to this number when corresponding with your Emerson Process Management sales office regarding replacement parts or technical information. Also, always refer to the 11-character part number ...

  • Fisher 657 - page 14

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 14 Figure 4. Size 80 Type 657 Actuator APPL Y LUB 40A8771-B / DOC ...

  • Fisher 657 - page 15

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 15 Figure 5. Size 100 Type 657 Actuator 50A2621-F / DOC APPL Y LUB ...

  • Fisher 657 - page 16

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 16 Key 6 Size 80 Actuator Spring, steel SIZE COMPRESSION RA TE MAXIMUM LOAD P ART NUMBER COLOR CODE Lb/in N/mm Lb N 80 335 1000 1650 2100 2600 3100 58.7 175.1 288.9 367.7 455.3 542.8 2480 5630 7900 10,600 10,600 13,800 1 1,031 25,042 35,139 47,148 47,148 61,382 1J518227082 1H747 ...

  • Fisher 657 - page 17

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 17 Key Description Part Number Size 80 Side-Mtd Handwheel 7 Travel Stop 17 Machine Screw 28 Machine Screw 40 Set Screw 41 Set Screw 44 Worm Gear 45 Worm Shaft 46 Lower Sleeve 47 Key 48 Front Worm Retainer 49 Back Worm Retainer 50 Ball Bearing 51 Handwheel 52 Handgrip 53 Handgrip ...

  • Fisher 657 - page 18

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 18 Figure 7. Size 80 Type 657 Actuator with Side-Mounted Handwheel and Hydraulic Snubber APPL Y LUB 50A8774-C / DOC B B VIEW A C C VIEW A SECTION B-B SECTION C-C ...

  • Fisher 657 - page 19

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 19 Figure 8. Top-Mounted Handwheel for Size 100 Actuator APPL Y LUB 50A2622-F / DOC A A SECTION A-A ...

  • Fisher 657 - page 20

    657 Size 80 and 100 Actuators Instruction Manual Form 1909 August 2006 20 Fisher Marshalltown, Iowa 50158 USA Cernay 68700 France Sao Paulo 05424 Brazil Singapore 128461 Emerson Process Management www.Fisher.com The contents of this publication are pr esented for informational purposes only, and while every effort has been made to ensure their accu ...

Manufacturer Fisher Category Automobile Parts

Documents that we receive from a manufacturer of a Fisher 657 can be divided into several groups. They are, among others:
- Fisher technical drawings
- 657 manuals
- Fisher product data sheets
- information booklets
- or energy labels Fisher 657
All of them are important, but the most important information from the point of view of use of the device are in the user manual Fisher 657.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Fisher 657, service manual, brief instructions and user manuals Fisher 657. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Fisher 657.

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A complete manual for the device Fisher 657, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Fisher 657 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Fisher 657.

A complete Fisher manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Fisher 657 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Fisher 657, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Fisher 657, that we can find in the current document
3. Tips how to use the basic functions of the device Fisher 657 - which should help us in our first steps of using Fisher 657
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Fisher 657
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Fisher 657 in a specific country, if it was not possible to solve the problem on our own.

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