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657 Actuator (30-70 and 87)
Instruction Manual
Form 1900
February 2007
18
Key Description Part Number
Sizes 46 & 60 18B2713X112
Sizes 70 & 87 18B2713X122
With down travel stop (style 2)
Sizes 70 & 87 2N1309X0012
Fluorocarbon/Aramid
Size 30 1F354202402
Sizes 34 & 40 1F444302402
Sizes 45 & 50 1F354102402
Sizes 46 & 60 1F4444X0022
3 Cap Screw
4 Diaphragm Plate
5 Lower Diaphragm Casing
6 Actuator Spring See following table
7 Travel Stop Cap Screw
8 Cap Screw
9 Yoke
10 Actuator Stem
11 Spring Seat
12 Spring Adjuster
13 Lower Diaphragm Plate
14 Travel Indicator Disk, SST
15 Stem Nut
16 Stem Jam Nut
17 Self-Tapping Screw
18 Travel Indicator Scale
19 Nameplate, SST 12B6508X0A2
20 Drive Screw
22 Cap Screw
23 Hex Nut
24 Twin Speed Nut
25 Washer
26 Stem Connector Assy, Steel Zn Pl
Sizes 30 & 34 18A1243X012
Size 34 with side mtd handwheel 1F659225142
Size 40 18A1668X012
Size 40 with side mtd handwheel 1F659125142
Sizes 45 & 46 18A1671X012
Sizes 45 & 46 w/ side mtd handwheel (SST,Stl) 2F1678000A2
Sizes 50 & 60 18A1672X012
Sizes 50 & 60 w/ side mtd handwheel (SST,Stl) 2F1672000A2
Size 70 18A1685X012
with side mtd handwheel 18A1678X012
with PMV positioner 18A1845X012
657-4 with 4 in. max. travel (SST,Stl) 21A8254X012
Size 87 (SST,Stl) 21A7469X012
Size 87 with side mtd handwheel 18A1825X012
28 Screw
29 Yoke Extension
30 Indicator Adaptor
31 Machine Screw
32 Washer
33 Pipe Bushing
61 Nameplate
73 Cap Screw
238 Warning label
241 Lubricant, Lithium Grease (not furnished with the actuator)
249 Caution nameplate
Top Mounted Handwheel
(figure 9 or 10)
Key Description Part Number
51 Handwheel
54 Stop Nut
133 Handwheel Stem, brass
134 Washer
135 Pusher Plate
137 Casing-Mounted Travel Stop Locknut
138* O-Ring, nitrile
Sizes 30, 34, & 40 1D237506992
Sizes 45, 46, 50, & 60 1B885506992
Sizes 70 & 87 1C415706992
139* O-Ring, nitrile
Sizes 30, 34, & 40 1D267306992
Sizes 45, 46, 50, & 60 1D547106992
Sizes 70 & 87 1D269106992
140 Groove Pin
141 Cap Screw
142 Body
169 Grease Fitting
174 Retaining Screw
175 Thrust Bearing
176 Thrust Race
241 Lubricant, Lithium Grease (not furnished with actuator)
242 Sealant, Thread-Locking (not furnished
with handwheel)
244 Lubricant, Anti-Seize (not furnished with handwheel)
246 Spacer
247 Cotter Pin
Side-Mounted Handwheel
(figure 11, 12, or 13)
34 Upper Sleeve
37 Needle Bearing
38 Needle Bearing Race
39 Bearing Retainer Flange
40 Set Screw
41 Set Screw
42 Needle Bearing
43 Needle Bearing Race
44 Worm Gear
45 Worm Shaft
46 Lower Sleeve
47 Key
48 Front Retainer
49 Back Retainer
50 Ball Bearing
51 Handwheel
52 Handgrip
53 Handgrip Bolt
54 Stop Nut
55 Ball
56 Spring
59 Handwheel Indicator
60 Cover Band Ass’y
61 Grease Fitting
132 Operating Nut
136 Bearing Retainer
142 Handwheel Body
*Recommended spare parts