Emerson FISHER 657 Manuel d'instructions

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www.Fisher.com
Fisherr 657 Diaphragm Actuator
Sizes 30-70 and 87
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 2.................................
Specifications 2...............................
Educational Services 3.........................
Installation 3..................................
Mounting the Actuator on the Valve 4............
Discussion of Bench Set 5.......................
Spring Verification 6...........................
Installing the Stem Connector Assembly 7.........
Friction Discussion 8...........................
Deadband Measurement 9......................
Loading Connection 10.........................
Maintenance 11................................
Actuator Maintenance 1 1.......................
Top-Mounted Handwheel Assembly 13...........
Side-Mounted Handwheel for Sizes 34
through 60 Actuators 15.....................
Side-Mounted Handwheel for Sizes 70
and 87 Actuators 16.........................
Casing-Mounted Adjustable Travel Stops 18.......
Parts Ordering 20...............................
Parts Kits 20...................................
Kits for Side-Mounted Handwheels 20............
Kits for Top-Mounted Handwheels 20.............
Parts List 21...................................
Actuator Assembly (figures 6, 7, or 8) 21..........
Figure 1. Fisher 657 or 657-4 Actuator Mounted
on an easy-e™ Valve
W2174-2
Top-Mounted Handwheel (figures 9 or 10) 21......
Side-Mounted Handwheel (figure 11 or 13) 24.....
Casing-Mounted Adjustable Up Travel Stops
(figures 14 or 15) 29.........................
Casing-Mounted Adjustable Down Travel Stops
(figure 16) 30..............................
Introduction
Scope of Manual
This instruction manual provides information on installation, adjustment, maintenance, and parts ordering for the
Fisher657actuatorinsizes30through70andsize87.The657-4 actuator in sizes 70 and 87 is also covered. Refer to
separate instruction manuals for information about the valve positioner and other accessories used with these
actuators.
Do not install, operate, or maintain a 657 actuator without being fully trained and qualified in valve, actuator, and
accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important to
carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If you
have any questions about these instructions, contact your Emerson Process Management sales office before
proceeding.
Instruction Manual
D100306X012
657 Actuator (30-70 and 87)
November 2013
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Résumé du contenu

Page 1 - Sizes 30-70 and 87

www.Fisher.comFisherr 657 Diaphragm ActuatorSizes 30-70 and 87ContentsIntroduction 1...Scope of Manual 1...

Page 2 - Specifications

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201310deadband being too wide are no movement, a “jump” movement, or oscillating move

Page 3 - Installation

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201311MaintenanceActuator parts are subject to normal wear and must be inspected and

Page 4

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 2013124. Remove the diaphragm casing cap screws and nuts (keys 22 and 23), then lift

Page 5 - Discussion of Bench Set

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201313CAUTIONOver-tightening the diaphragm casing cap screws and nuts (keys 22 and 23

Page 6 - Spring Verification

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 2013145. Loosen the travel stop locknut (key 137), and turn the handwheel (key 51) co

Page 7

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 2013158. Insert the cap screws (key 22), and tighten the hex nuts (key 23) in the fol

Page 8 - Friction Discussion

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 2013164. Coat the groove in t he handwheel body (key 142) with lithium grease (key 24

Page 9 - Deadband Measurement

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 2013178. Turnthehandwheeltoraisethelowersleeve(key46)untilitisfreeofthewormgear(key44

Page 10 - Loading Connection

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 20131815. Position the upper diaphragm casing (key 1) onto the diaphragm (key 2) and

Page 11 - Maintenance

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201319The adjustable down travel stop (figure 16) limits the actuator stroke in the d

Page 12 - Actuator Assembly

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 20132Table 1. SpecificationsSPECIFICATION(1)ACTUATOR SIZE30 34 40 45 46 50 60 70(1)87

Page 13 - Instruction Manual

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201320Parts OrderingEach actuator has a serial number stamped on the nameplate. Alway

Page 14

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201321Parts ListNotePart numbers are shown for recommended spares only. For partnumbe

Page 15

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201322Figure 6. Fisher 657 Actuator Sizes 30 through 60APPLY LUB40A8765-C

Page 16

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201323Figure 7. Fisher 657 Size 70 ActuatorAPPLY LUB50A8768-C

Page 17

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201324Figure 8. Fisher 657 Size 87 ActuatorAPPLY LUB50A8767-CSide-Mounted Handwheel(f

Page 18

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201325Figure 9. Top-Mounted Handwheel Assembly for Size30 through 60 ActuatorsAPPLY L

Page 19

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201326Figure 11. Side-Mounted Handwheel Assembly for Size 34 and 40 ActuatorsAPPLY LU

Page 20 - Parts Kits

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201327Figure 12. Side-Mounted Handwheel Assembly for Size 45 and 60 ActuatorsAPPLY LU

Page 21 - Parts List

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201328Figure 13. Fisher 657 Size 70 and 87 Actuators with Side-Mounted HandwheelAPPLY

Page 22

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201329Figure 14. Casing-Mounte dAdjustableUpTravelStop for Sizes 30 through 60 Actuat

Page 23

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 20133Figure 2. Schematic of Fisher 657 and 657-4 ActuatorsSPRING LIFTSSTEM UPAIR PUSH

Page 24 - (figure 11, 12, or 13)

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201330Figure 16. Casing-Mounted Adjustable Down Travel Stop for Size 30 and 40 Actuat

Page 25

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201331Key 6 Actuator SpringACTUATOR SIZEDIAPHRAGMPRESSURE RANGETRAVEL, mm (INCHES)Bar

Page 26

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201332Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilCha

Page 27

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 20134allowable valve stem load. (Contact your Emerson Process Management sales office

Page 28

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 20135Figure 3. Actuator Mounting Components for Size 30 through 70 ActuatorsVALVE STE

Page 29 - Casing-Mounted Adjustable Up

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 20136Figure 4. Bench Set AdjustmentSPRING ADJUSTERLOWER BENCH SETLOADING PRESSUREUPPE

Page 30 - Down Travel Stop (figure 16)

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 201371. If not already accomplished, provide a temporary means of applying an adjusta

Page 31

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 20138NoteReplacement stem connectors are an assembly of two stem connector halves, ca

Page 32

Instruction ManualD100306X012657 Actuator (30-70 and 87)November 20139(a) plus the friction force divided by the effective diaphragm area with increas

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