Emerson Fisher 1051 User Manual

www.Fisher.com
Fisher
™
1051 and 1052 Size 33
Diaphragm Rotary Actuators
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 2.................................
Specifications 3...............................
Installation 3..................................
Actuator Mounting and Changing Actuator
Mounting 5................................
F and G Mounting Adaptations 5.............
H Mounting Adaptation 7...................
J Mounting Adaptation 8....................
1052 Spring Compression Adjustment 10.........
Initial Compression 10......................
Stroking Range 11.........................
Maintenance 11................................
Mounting Adaptations 12......................
Replacing Diaphragm 12.......................
Replacing Diaphragm Plate, Diaphragm Rod,
Spring, and Spring Seat 13....................
Changing Or Replacing Actuator Lever 16.........
Proximity Switches, Lever‐Operated Switches,
and Positioner 18...........................
Installing the Cam 18......................
Installing Proximity Switches 19..............
Switches Indicating Bottom of Stroke 19..
Switches Indicating Top of Stroke 19......
Installing Lever‐Operated Switch 19..........
Installing the Push Rod 20................
Figure 1. Fisher 1052 Actuator with CV500 Valve and
FIELDVUE™ DVC6200 Digital Valve Controller
W8192‐2
Mounting Lever‐Operated Switch and
Adjustment 20..........................
Positioner Mounting 20........................
Top‐Mounted Handwheel 20....................
Locking Mechanism 21.........................
Parts Ordering 23...............................
Parts Kits 23...................................
Parts List 23...................................
Introduction
Scope of Manual
This instruction manual includes installation, adjustment, operation, maintenance, and parts information for the
Fisher 1051 and 1052 Size 33 diaphragm rotary actuators (figure 1). Mounting adaptations F, G, H, and J are included
in this manual. Instructions for the control valve, positioner, manual actuator, and other accessories are included in
separate manuals.
Instruction Manual
D101322X012
1051 and 1052 Size 33 Actuators
June 2017

Emerson Fisher 1051 Specifications

General

Brand	Emerson
Model	Fisher 1051
Category	Controller
Language	English

Summary

Introduction

Scope of Manual

Overview of the instruction manual's content and scope for actuators.

Description

Specifications

Installation

Actuator Mounting and Changing Actuator Mounting

Procedures for mounting and changing actuator mounting styles or positions.

F and G Mounting Adaptations

Instructions for F and G mounting adaptations for valve shaft connections.

H Mounting Adaptation

Guidelines for H mounting adaptation using non-Fisher products and custom brackets.

J Mounting Adaptation

Procedures for J mounting adaptation with Fisher keyed-shaft valve bodies.

1052 Spring Compression Adjustment

Initial Compression

Setting the initial spring compression for the 1052 actuator.

Maintenance

Stroking Range

Adjusting the spring to modify the actuator's stroking range.

Mounting Adaptations

F and G Adaptations

Procedures applicable to F and G mounting adaptations.

H Mounting Adaptations

Procedures for H mounting adaptations, including bracket and shaft considerations.

J Mounting Adaptations

Procedures for J mounting adaptations, involving couplings and keyways.

Replacing Diaphragm

Disassembly

Steps to disassemble the actuator for diaphragm replacement.

Replacing Diaphragm Plate, Diaphragm Rod, Spring, and Spring Set

Disassembly

Steps to disassemble parts for diaphragm plate, rod, spring, and seat replacement.

Assembly

Steps to reassemble the actuator after replacing components.

Changing or Replacing Actuator Lever

Disassembly

Proximity Switches, Lever Operated Switches, and Positioner

Installing the Cam

Procedures for installing cams on the actuator lever for switch activation.

Installing Proximity Switches

Steps for installing proximity switches to indicate stroke positions.

Switches Indicating Bottom of Stroke

Instructions for installing switches for bottom of stroke indication.

Switches Indicating Top of Stroke

Instructions for installing switches for top of stroke indication.

Installing Lever-Operated Switch

Steps for installing lever-operated switches.

Installing the Push Rod

Procedure for installing the push rod for switch activation.

Mounting Lever-Operated Switch and Adjustment

Mounting and adjusting lever-operated switches.

Positioner Mounting

Guidelines for mounting a positioner onto the actuator.

Top-Mounted Handwheel

Information on the optional top-mounted handwheel.

Top-Mounted Handwheel Assembly

Disassembly

Steps to disassemble the top-mounted handwheel assembly.

Assembly

Steps to reassemble the top-mounted handwheel assembly.

Locking Mechanism

Installing the Locking Mechanism

Procedures for installing the actuator locking mechanism.

Operating the Locking Mechanism

How to operate the locking mechanism to lock or unlock the actuator.

To Unlock the Actuator

Steps to unlock the actuator using the locking mechanism.

To Lock the Actuator

Steps to lock the actuator using the locking mechanism.

Parts Ordering

Parts Kits

Information on available retrofit and accessory parts kits.

Parts List

A list of common actuator parts with descriptions and keys.

Parts Used For H Mounting Adaptations (figure 11)

Parts Used For J Mounting Adaptations (figure 13)

Parts Used For Wrench-Operated Extension and For Manual Actuator Installation On All Mounting Adaptations (figure 14)

Proximity Switch Mounting Accessories (figure 15)

Lever-Operated Switch Mounting Accessories (figure 16)

Top Mounted Handwheel (figure 17)