Instruction Manual
D100304X012
656 Actuator
June 2017
7
Parts Ordering
When corresponding with your Emerson sales office or Local Business Partner about this equipment, refer to the serial
number found on the actuator nameplate.
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should
not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the
performance of the valve, and could cause personal injury and property damage.
Parts List
Note
Contact your Emerson sales office or Local Business Partner for Part
Ordering information.
Key Description
1 Diaphragm Case, steel
Standard
2* Diaphragm, Nitrile
Size 30
Size 40
Size 60
3 Cap Screw, steel
4 Diaphragm Plate, cast iron
5 Lower Diaphragm Case, steel
6 Actuator Spring, steel
7 Down Travel Stop, steel Sizes 30 & 40 (3 req'd),
Size 60 (4 req'd)
8 Cap Screw, steel Sizes 30 & 40 (3 req'd), Size 60 (4 req'd)
9 Yoke, cast iron
10 Actuator Stem, steel
11 Lower Spring Seat, steel
12 Adjusting Screw, brass
13 Thrust Bearing, steel ball bearing
14 Lower Bearing Seat, steel
Key Description
17 Nameplate, SST
18 Drive Screw, SST (6 req'd)
19 Cap Screw, steel Size 30 (12 req'd), Size 40 (16 req'd),
Size 60 (24 req'd)
20 Hex Nut, steel Size 30 (12 req'd), Size 40 (16 req'd),
Size 60 (24 req'd)
21 Valve Stem, 316 SST (Size 30 only)
22 Set Screw, steel
23 Hex Nut, steel (2 req'd)
25 Warning Nameplate
Handwheel Assembly
51 Handwheel, cast iron
54 Jam Nut, steel
133 Stem, brass
135 Pusher Plate Assembly, steel
137 Jam Nut, steel
138* O‐ring, nitrile
Size 30 & 40
Size 60
139* O‐ring, nitrile
Size 30 & 40
Size 60
140 Groove Pin, steel
141 Cap Screw, steel Sizes 30 & 40 (6 req'd), Size 60 (8 req'd)
142 Handwheel body, cast iron
164 Body Extension, steel
171 Spacer, 416 SST (size 60 only)
*Recommended spare parts
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