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D500243X012
Type 1035/El-O-Matic
Rack-and-Pinion Rotary Actuator
Contents
Introduction 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 1. . . . . . . . . . . . . . . . . . . . . . . . .
Description 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 11. . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator Disassembly 12. . . . . . . . . . . . . . . . . . . .
Actuator Assembly 14. . . . . . . . . . . . . . . . . . . . . . .
Changing Rotation Direction 15. . . . . . . . . . . . .
Spring Return E Series Actuators 16. . . . . . . . .
Spring Return P Series Actuators 17. . . . . . . . .
Installing the Bypass Valve 18. . . . . . . . . . . . . .
Parts Ordering 18. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Kits 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
Managementt 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