Emerson Fisher 3025- Installation Manual

Emerson Fisher 3025

Emerson Fisher 3025– Installation Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Instruction Manual; Description; Specifications; Installation
  • Page 3 – Mounting the Actuator on the Valve; CAUTION
  • Page 4 – Travel Stop Adjustment; WARNING
  • Page 5 – Installing the Stem Connector Assembly
  • Page 6 – Loading Connection; Maintenance; Actuator Maintenance
  • Page 7 – Size P460 Actuator Disassembly
  • Page 8 – Size P460 Actuator Assembly
  • Page 9 – Size P462 Actuator Disassembly
  • Page 10 – Size P462 Actuator Assembly
  • Page 14 – Size P900 Actuator Disassembly
  • Page 15 – Size P900 Actuator Assembly
  • Page 18 – Side-Mounted Handwheel Maintenance; Side-Mounted Handwheel Disassembly
  • Page 21 – Parts Ordering
  • Page 22 – Parts List
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Fisher

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3025 Sizes P460, P462, P460-200, and

P900 Diaphragm Actuator

Contents

Introduction

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Scope of Manual

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting the Actuator on the Valve

3

. . . . . . . . . . . .

Travel Stop Adjustment

4

. . . . . . . . . . . . . . . . . . . . . . .

Installing the Stem Connector Assembly

5

. . . . . . . . .

Loading Connection

6

. . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Actuator Maintenance

6

. . . . . . . . . . . . . . . . . . . . . . . .

Size P460 Actuator

7

. . . . . . . . . . . . . . . . . . . . . . .

Size P462 Actuator

9

. . . . . . . . . . . . . . . . . . . . . . .

Size P460-200 Actuator

12

. . . . . . . . . . . . . . . . . .

Size P900 Actuator

14

. . . . . . . . . . . . . . . . . . . . . .

Side Mounted Handwheel Maintenance

18

. . . . . . . . .

Parts Ordering

21

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts List

22

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Actuator Assembly

22

. . . . . . . . . . . . . . . . . . . . . . . . . .

Side-Mounted Handwheel

23

. . . . . . . . . . . . . . . . . . . .

Figure 1. Fisher 3025 Size P460-200 Actuator

W9088

Introduction

Scope of Manual

This instruction manual includes installation, maintenance, and parts information for Fisher 3025 actuators in sizes
P460, P462, P460-200, and P900. Refer to separate manuals for instructions covering the positioner and other
accessories used with these actuators.

Do not install, operate, or maintain 3025 actuators 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

D251402X012

3025 Actuator

May 2011

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Summary

Page 2 - Instruction Manual; Description; Specifications; Installation

Instruction Manual D251402X012 3025 Actuator May 2011 2 Description The Fisher 3025 size P460, P462, P460-200 and P900 spring-opposed diaphragm actuators position the valve plug inthe valve body in response to varying controller or valve positioner pneumatic output signals applied to the actuatordia...

Page 3 - Mounting the Actuator on the Valve; CAUTION

Instruction Manual D251402X012 3025 Actuator May 2011 3 If the actuator is equipped with a side-mounted handwheel, also refer to the figures 13, 14, 15 and 16. Figure 13shows the size P460 and the size P462 side-mounted handwheel, figure 14 the size P460-200 and figure 15 illustratesthe size P900. C...

Page 4 - Travel Stop Adjustment; WARNING

Instruction Manual D251402X012 3025 Actuator May 2011 4 2. Lift or hoist the actuator onto the valve bonnet: a. For the 3-9/16 yoke boss: Slowly lower the actuator down onto the valve. As the yoke passes over the end of the valve stem, place the yoke locknut over the valve stem. Once the actuator is...

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