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655 and 655R Actuators
Instruction Manual
Form 1292
July 2007
13
Figure 4. Type 655 Actuator
30A8341-A/DOC
30A8342-A/DOC
SIZE 3A AND 4A ACTUATOR DIAPHRAGM CASINGS
A
APPLY MOLY-GREASE LUBRICANT TO ADJUSTING SCREW
Key Description Part Number
9 Lower Spring Seat
10 Adjusting Screw
11 Travel Indicator Disk
12 Hex Nut
13 Travel Stop
14 Screw
15 Travel Indicator Scale
16 Twin Speed Nut
17 Nameplate
Figure 5. Size 3A and 4A Top-Mounted
Handwheel Assembly
28A1216-C/DOC
APPLY LUB
PART NOT SHOWN : 31
Key Description Part Number
18 Drive Screw
19 Cap Screw
20 Hex Nut
21 Cap Screw
Top-Mounted Handwheel
Sizes 3A, 4A, 3B & 4B
22 Hex Jam Nut
24 Washer
25 Handwheel
26 Handwheel Stem
27 Hex Jam Nut
28 Handwheel Body
29* O-Ring, nitrile 1D237506992
30* O-Ring, nitrile (not shown) Sizes 3B & 4B only 1D267306992
31 Groove Pin
32 Pusher Plate
33 Cap Screw
34 Travel Stop
Sizes 32 thru 46
51 Handwheel
54 Hex Nut
133 Handwheel Stem
134 Washer
135 Pusher
137 Hex Nut
138* O-Ring, nitrile 1D237506992
139* O-Ring, nitrile 1D267306992
140 Groove Pin
141 Cap Screw
142 Handwheel Body
241 Lithium grease lubricant-1, 0.396 kg (14 oz.) can
(not furnished with actuator)
*Recommended spare parts