Emerson Fisher 1051 and 1052 User's Guide

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Fisherr 1051 and 1052 Style H and J
Sizes 40, 60 and 70 Rotary Actuators
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 2.................................
Specifications 3...............................
Educational Services 3.........................
Principle of Operation 4........................
Installation 4..................................
Actuator Mounting 5..........................
Loading Connections 12........................
Adjustment 13.................................
1051 and 1052 Turnbuckle Adjustment 13........
1052 Spring Adjustment 14.....................
Initial Compression 14......................
Stroking Range 15.........................
Maintenance 15................................
Disassembly 16...............................
Assembly 18..................................
Changing Actuator Mounting 22..................
Changing Styles 22............................
Changing Positions 23.........................
Top-Mounted Handwheels and
Adjustable Travel Stops 25.......................
Handwheel and Travel Stop Operations 25........
Handwheel and Travel Stop Maintenance 26.......
For Top-Mounted Handwheels and Adjustable
Up Travel Stops 27..........................
For Adjustable Down Travel Stops 27.............
Figure 1. Fisher 1051 Actuator with H Mounting
Adaptation and 3610J Positioner
W4252
Parts Ordering 28...............................
Parts List 28...................................
Introduction
Scope of Manual
This manual provides installation, adjustment, operation, maintenance, and parts ordering information for Fisher
1051 (sizes 40 and 60) and 1052 (sizes 40, 60, and 70) diaphragm rotary actuators with H and J mounting adaptations
(see figures 1 and 2). Also, this instruction manual provides information for the optional top-mounted handwheel, and
both the optional up and down travel stops. Instructions for the control valve body, the positioner, accessories, and
other sizes or constructions of this actuator are covered in separate manuals.
Instruction Manual
D100320X012
1051 and 1052 H & J Actuators
October 2012