Emerson Fisher 1051 and 1052 Owner's Manual

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Fisherr 1052 Size 20 Diaphragm Rotary Actuator
with H Mounting Adaptation
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 2.................................
Specifications 2...............................
Installation 3..................................
Spring Compression Adjustment 3...............
Initial Spring Compression 3.................
Stroking Range 4..........................
Mounting Procedure 4.........................
Principle of Operation 5........................
Maintenance 6.................................
Disassembly 6................................
Assembly 8...................................
Changing Actuator Mounting 9..................
Changing Styles 9.............................
Changing Positions 11.........................
Top Mounted Handwheel 11.....................
Disassembly 12...............................
Assembly 12..................................
Parts Ordering 12...............................
Parts List 13...................................
Figure 1. Fisher 1052 Size 20 Actuator
with H Mounting Adaptation
W4140-1
Introduction
Scope of Manual
This instruction manual includes installation, adjustment, operation, maintenance, and parts ordering information for
the Fisher 1052 size 20 diaphragm rotary actuator with Hmounting(figure1)andthe optional top-mounted
handwheel (see figure 7). Instructions for the rotary positioner and other accessories are included in separate
instruction manuals.
Do not install, operate, or maintain a 1052 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 c ontents 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 Manua l
D100323X012
1052 Size 20 Actuator (H)
September 2012