Fisher 657 User Manual
www.Fisher.com
D100307X012
Type 657 Diaphragm Actuators
Size 80 and 100
Size 80 and 100
Contents
Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual
. . . . . . . . . . . . . . . . . . . . . . . . .
Description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator Mounting
. . . . . . . . . . . . . . . . . . . . . . . .
Loading Connection
. . . . . . . . . . . . . . . . . . . . .
Adjustments
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Travel
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 80
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 100
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 80 Disassembly
. . . . . . . . . . . . . . . . . . . . .
Size 80 Assembly
. . . . . . . . . . . . . . . . . . . . . . .
Size 100 Disassembly
. . . . . . . . . . . . . . . . . . . .
Size 100 Assembly
. . . . . . . . . . . . . . . . . . . . . .
Size 80 Side-Mounted Handwheel
. . . . . . . . .
Disassembly
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 80 Hydraulic Snubber
. . . . . . . . . . . . . . . .
Size 80 Top-Mounted Handwheel
(Adjustable Up Travel Stop)
. . . . . . . . . . . .
Disassembly
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 100 Top-Mounted Handwheel
(Adjustable Up Travel Stop)
. . . . . . . . . . . .
Disassembly
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Ordering
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note
Neither Emerson
r, Emerson Process
Management
t, Fisherr, 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.
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.
Figure 1. Sectional view of Type 657 Size 100 Actuator
W0366-1 / IL
Figure 2. Schematic Representation of Type 657 Actuator
SPRING
LIFTS
LIFTS
AIR PUSHES
STEM DOWN
STEM DOWN
AF3833-A
A0792-2/IL
A0792-2/IL
Instruction Manual
Form 1909
August 2006
August 2006
657 Size 80 and 100 Actuators