Parts List; Actuator Assembly (Figures 6, 7, Or 8) - Emerson FISHER 657 Instruction Manual

Instruction Manual
D100306X012
Figure 8. Fisher 657 Size 87 Actuator
APPLY LUB
50A8767-C

Parts List

Note
Part numbers are shown for recommended spares only. For part
numbers not shown, contact your Emerson Process Management sales
office.
Actuator Assembly
(figures 6, 7, or 8)
Key Description
1 Upper Diaphragm Casing
2* Diaphragm
Molded nitrile/nylon
Standard construction
Size 30
Sizes 34 & 40
Sizes 45 & 50
Sizes 46 & 60
Sizes 70 & 87
With down travel stop (style 2)
Size 30
Sizes 34 & 40
Sizes 45 & 50
*Recommended spare parts
Key
3
Part Number
4
5
6
7
8
2E791902202 9
2E670002202 10
2E859502202 11
2E859702202 12
2N126902202 13
14
2E800002202 15
2E669902202 16
2E859602202 17
657 Actuator (30-70 and 87)
Description
Sizes 46 & 60
Sizes 70 & 87
Molded silicone/polyester
Standard Construction
Size 30
Sizes 34 & 40
Sizes 45 & 50
Sizes 46 & 60
Sizes 70 & 87
With down travel stop (style 2)
Sizes 70 & 87
Fluorocarbon/Aramid
Size 30
Sizes 34 & 40
Sizes 45 & 50
Sizes 46 & 60
Cap Screw
Diaphragm Plate
Lower Diaphragm Casing
Actuator Spring
Travel Stop Cap Screw
Cap Screw
Yoke
Actuator Stem
Spring Seat
Spring Adjuster
Lower Diaphragm Plate
Travel Indicator Disk, SST
Stem Nut
Stem Jam Nut
Self‐Tapping Screw
December 2010
Part Number
2E859802202
2N130902202
18B2713X082
18B2713X092
18B2713X102
18B2713X112
18B2713X122
2N1309X0012
1F354202402
1F444302402
1F354102402
1F4444X0022
See following table
21