Parts List - Fisher 685 Instruction Manual

685 Piston Actuator
June 2017

Parts List

Note
Contact your Emerson sales office
Ordering information.
Common Parts (figures 3 and 4)
Key Description
1 Upper Head
2* Upper/Lower Head O-ring
3 Tie Bolt
4 Cylinder
5 Piston
6* Piston Wear Ring
7* Piston Quad Seal
9 Lower Head
10 Lock Washer
11 Tie Bolt Hex Nut
12* Bearing Quad Seal
13* Bearing O-ring
14 Bearing
15* Piston Rod Wiper Seal
16 Bearing Retaining Ring
17 Piston Rod
18 Stem Connector
19* Piston Rod O-ring
20 Hex Head Cap Screw
21 Yoke
22 Travel Scale
57 Stem Connector Hex Nut
58 Stem Connector Stud
100* 685 Actuator Grease (10 ounce tube)
12
or Local Business Partner for Part
see parts kit
see parts kit
see parts kit
see parts kit
see parts kit
see parts kit
see parts kit
see parts kit
(19B0808X222)
Manual Handwheel Parts
(figure 3)
Key Description
24 ACME Thrust Shaft
25 Override Guide Shaft
26 Worm Gear
27 Thrust Shaft Upper Bushing
28 Thrust Shaft Bushing
29 Thrust Bearing
30 Thrust Guide Block
31 Engage Pin Guide
33 Engage Pin Control Knob
35 Socket Head Cap Screw
37 Key
38 Override Engage Pin
39 Position Indicator
40 All Thread Stud
42 Yoke Adaption Bracket
45 Handwheel
46 Helix Housing Cap O-ring
47 Helix Gear Shaft Bushing
48 Helix Gear Bushing
49 Helix Worm Gear Housing
50 Helix Worm Gear
52 Helix Shaft Wiper Seal
53 Helix Worm Gear Shaft
54 Helix Gear Housing Cap
55 Lock Washer
56 Pointer
64 Yoke Adaption Bracket Hex Nut
65 Yoke Adaption Bracket Stud
*Recommended spare parts
Instruction Manual
D103626X012