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Fisher
r
585C Series Piston Actuators
Contents
Introduction
1
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Scope of Manual
1
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Description
2
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Specifications
2
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Educational Services
2
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Principle of Operation
8
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Actuator with Handwheel
8
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Actuator with Spring Return
10
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Installation
10
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Bypass Assembly
11
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Three-Way Valve Applications Note
11
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Actuator Mounting
11
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Size 25 & 50 Actuator Mounting
11
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Size 60-130 Actuator Mounting
13
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Stem Connector Assembly (Size 60-130)
13
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585C Handwheels
14
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Handwheel Operation (Sizes 25 & 50)
14
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Handwheel Operation (Sizes 60-130)
14
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Maintenance (Sizes 25 & 50)
15
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Replacing Handwheel Housing O-Ring or
Thrust Bearings (Sizes 25 & 50)
16
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Replacing Seals, Changing Action, or
Changing Bias Spring(s) (Sizes 25 & 50)
17
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Maintenance (Sizes 60-130)
20
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Side-Mounted Handwheel Maintenance
(Sizes 60-130)
21
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Disassembly of Handwheel Constructions
(Sizes 60 and 68)
21
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Figure 1. Fisher 585C Series Piston Actuator
X0175-1
Disassembly of Handwheel Constructions
(Sizes 80-130)
22
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Reassembly (Sizes 60-130)
22
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Parts Ordering
22
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Parts Kits
23
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Parts List
24
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Sizes 25 & 50
24
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Sizes 60-130
33
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Introduction
Scope of Manual
This instruction manual provides information on installation, maintenance, and parts ordering for the Fisher 585C
piston actuators. Refer to separate instruction manuals for information about other equipment and accessories used
with these actuators.
Information for the 585CLS long stroke actuator can be found in the Fisher 585CLS instruction manual
(D103793X012).
Do not install, operate, or maintain a 585C Series 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
Instruction Manual
D102087X012
585C Actuator
October 2013
