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M Series Manual Handwheel Gear Actuator
Contents
Introduction
1
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Scope of Manual
1
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Description
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation
5
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Maintenance
5
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Lubrication
6
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Parts Ordering
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
Scope of Manual
This instruction manual includes installation, operation, maintenance, and parts ordering information for M Series
manual handwheel gear actuators. Refer to separate manuals for instructions covering the valves used with these
actuators.
Do not install, operate, or maintain an M Series handwheel gear 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 of the contents of this manual, including all safety cautions
and warnings.
If you have any questions about these instructions, contact your
Emerson sales office
before
proceeding.
Description
M Series handwheel gear actuators (figure 1) are totally enclosed, weatherproof, worm gear actuators for reliable
manual operation with Fisher A11, A31A and A41 High Performance Butterfly Valves. The M actuator consists of a
body housing, cover, worm gear, input shaft, and handwheel. The housing is grease packed.
Specifications
Specifications for the M Series manual handwheel gear actuators are shown in table 1.
Instruction Manual
D500237X012
M Series Actuator
February 2019
