Emerson Fisher 667 30 User Manual

www.Fisher.com
Fisher
™
667 Diaphragm Actuator
Sizes 30/30i‐76/76i and 87
Contents
Introduction 1...................................
Scope of Manual 1.............................
Description 2.................................
Specifications 3...............................
Educational Services 3.........................
Instructional Videos 3..........................
Maximum Pressure Limitations 4................
Installation 4
....................................
Mounting the Actuator on the Valve 5............
Discussion of Bench Set 7.......................
Spring Verification 7...........................
Installing the Stem Connector Assembly 9.........
Friction Discussion 10..........................
Deadband Measurement 11.....................
Loading Connection 12.........................
Maintenance 12
.................................
Actuator 13..................................
Top‐Mounted Handwheel Assembly
(Adjustable Down Travel Stop) 15.............
Side‐Mounted Handwheel for Sizes 34/34i
through 60/60i Actuators 19..................
Side‐Mounted Handwheel Assembly for
Size 70, 76, and 87 Actuators 21...............
Casing‐Mounted Travel Stops 23.................
Parts Kits 24
.....................................
Side‐Mounted Handwheels Retrofit Kits 25........
Top‐Mounted Handwheel Retrofit Kits 25.........
Actuator Repair Kits 24.........................
Figure 1. Fisher 667 Actuator Mounted on
easy‐e™ Valve
X1182
Parts List 25.....................................
Actuator Assembly 25..........................
Top‐Mounted Handwheel 26...................
Side‐Mounted Handwheel (34/34i‐60/60i) 37.....
Side‐Mounted Handwheel (70, 76, and 87) 37....
Casing Mounted Travel Stops 39.................
Introduction
Scope of Manual
This instruction manual provides information on installation, adjustment, maintenance, and parts ordering for the
Fisher 667 actuator in sizes 30/30i through 76/76i and size 87. The 667‐4 actuator in sizes 70/70i 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 667 actuator (see figure 1) 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 sales office
or Local Business
Partner before proceeding.
Instruction Manual
D100310X012
667 Actuator (Size 30/30i - 76/76i and 87)
May 2018

Emerson Fisher 667 30 Specifications

General

Brand	Emerson
Model	Fisher 667 30
Category	Controller
Language	English

Summary

Introduction

Scope of Manual

Details the scope of the instruction manual for the 667 actuator.

Actuator Description

Explains the 667 and 667-4 actuators and their types.

Actuator Specifications

Presents detailed specifications for various 667 actuator sizes.

Educational Services

Information on available courses for Fisher diaphragm actuators.

Instructional Videos

Provides links to videos for actuator mounting and controller installation.

Maximum Pressure Limitations

Installation

Mounting the Actuator on the Valve

Step-by-step instructions for mounting the actuator onto a valve.

Discussion of Bench Set

Bench Set Adjustment

Illustrates and explains the bench set adjustment procedure.

Spring Verification

Direct Acting Valve Spring Adjustment

Procedure for direct acting valves to set the spring adjuster.

Reverse Acting Valve Spring Adjustment

Procedure for reverse acting valves to set the spring adjuster.

Installing the Stem Connector Assembly

Stem Connector Installation

Procedure for connecting the actuator stem to the valve stem using a connector.

Friction Discussion

Accounting for Friction in Bench Set

Explains how to account for packing friction during bench set adjustment.

Deadband Measurement

Measuring Actuator Deadband

Details how to measure and calculate actuator deadband.

Loading Connection

Connecting Pneumatic Lines

Procedure for connecting pneumatic loading pressure lines to the actuator.

Maintenance

Actuator Disassembly Procedure

Steps for disassembling the actuator for inspection or repair.

Top-Mounted Handwheel Assembly

Disassembly for Top-Mounted Handwheel

Instructions for disassembling the top-mounted handwheel assembly.

Assembly for Top-Mounted Handwheel

Instructions for reassembling the top-mounted handwheel assembly.

Side-Mounted Handwheel Assembly for Sizes 34-60

Disassembly for Side-Mounted Handwheel (34-60)

Steps to disassemble side-mounted handwheels for 34-60 actuators.

Assembly for Side-Mounted Handwheel (34-60)

Instructions for reassembling side-mounted handwheels for 34-60 actuators.

Side-Mounted Handwheel Assembly for Sizes 70, 76, and 87

Disassembly for Side-Mounted Handwheel (70-87)

Instructions for disassembling side-mounted handwheels for 70-87 actuators.

Assembly for Side-Mounted Handwheel (70-87)

Instructions for reassembling side-mounted handwheels for 70-87 actuators.

Casing-Mounted Travel Stops

Casing-Mounted Travel Stops Description

Description of casing-mounted travel stops and their function.

Casing-Mounted Travel Stops Disassembly/Assembly

Procedure for disassembling and assembling casing-mounted travel stops.

Parts Ordering

Actuator Parts Kits Overview

Lists available parts kits for actuator repair.

Soft Parts Kits

Details soft parts kits for actuator repair by size.

Hardware Kits

Details hardware kits for actuator repair by size.

Side-Mounted Handwheel Retrofit Kits

Kits for adding a side-mounted handwheel to actuators.

Top-Mounted Handwheel Retrofit Kits

Kits for adding a top-mounted handwheel to actuators.

Parts List

Reference list of actuator components and their part numbers.