Fisher d500243x012 User Manual

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D500243X012
Type 1035/El-O-Matic 
Rack-and-Pinion Rotary Actuator
Contents
Introduction
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Scope of Manual
1
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Description
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Specifications
2
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Installation
4
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Operation
5
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Adjustment
11
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Troubleshooting
11
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Maintenance
11
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Actuator Disassembly
12
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Actuator Assembly
14
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Changing Rotation Direction
15
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Spring Return E Series Actuators
16
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Spring Return P Series Actuators
17
. . . . . . . . . 
Installing the Bypass Valve
18
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Parts Ordering
18
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Parts Kits
19
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Parts List
20
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Introduction
Scope of Manual
This instruction manual includes installation,
maintenance, and parts ordering information for
Type 1035/El-O-Matic rack-and-pinion rotary
actuators (figure 1). These actuators are available in
both double-acting and spring-return (figure 2)
configurations. Spring return units provide fail action
in response to spring compression. The actuator is
field reversible. Instructions for the valve and for any
accessories used with the actuator are found in
separate manuals.
Do not install, operate, or maintain a Type 1035
actuator without first 
D being fully trained and
qualified in valve, actuator, and accessory
installation, operation, and maintenance, and 
D
carefully reading and understanding the contents of
Figure 1. Type 1035/El-O-Matic Actuator 
with Type A41 Valve
W9255
this manual. If you have any questions about these
instructions, contact your Emerson Process
Management
t sales office before proceeding.
Note
Neither Emerson, Emerson Process
Management, nor any of their affiliated
entities assumes responsibility for the
selection, use and maintenance of any
product. Responsibility for the
selection, use, and maintenance of any
product remains with the purchaser
and end-user.
Instruction Manual
Form 5417
February 2007
1035/El-O-Matic Actuator