Emerson Fisher 3025 Handbook

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Fisherr 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