Parts Ordering; Parts Kits - Fisher 685SE Instructions Manual

Instruction Manual
D103799X012
18. Remove the piston wiper seal (key 15), O­ring (key 13), and quad seal (key 12) from the bearing (key 14).
19. Clean bearing (key 14) with a light degreaser, if needed.
20. Lightly grease the new O­ring (key 13) and quad seal (key 12), then install onto bearing (key 14). Without grease,
install a new piston wiper seal (key 15) onto the bearing.
21. Reinstall bearing assembly (keys 12, 13, 14, and 15) into outer spring cartridge (key 23) and secure in place with
the bearing retaining ring (key 16).
22. Install cylinder onto lower head (key 9), making sure the O­ring (key 2) does not move out of its groove.
23. Carefully install piston assembly (keys 5, 6, 7, 17, and 19) into the cylinder (key 4) using the lifting eye previously
used for removal. Ensure all seals and O­rings stay in place on the outside diameter of the piston (key 5) during
installation.
24. Install tie bolts (key 3) into lower head (key 9).
25. Carefully install upper head (key 1)onto cylinder (key 4) using the lifting eyes previously used for removal. Take
care not to damage tie bolt (key 3) threads and ensure that the O­ring (key 2) is in place during this step.
26. Install lock washers (key 10) and tie bolt hex nuts (key 11) onto tie bolts (key 4). Torque in a crisscross pattern
according to table 8.
27. Refer to the Actuator Mounting section of this manual for instructions on mounting and installing the actuator
onto a valve.

Parts Ordering

When corresponding with your
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 Kits

Includes all soft seals and O­rings required for seal and O­ring replacement in standard operating temperature
constructions. Refer to figures 3 and 4.
KIT CONTENTS
Piston Rod Wiper Seal, Key 15
Bearing O­ring, Key 13
Bearing Quad Seal, Key 12
Piston Rod O­ring, Key 19
Piston Wear Ring, Key 6
Piston Quad Seal, Key 7
Upper/Lower Head O­ring, Key 2
Upper/Lower Head O­ring, Key 2
685SE/685SR Actuator Grease, Key 100
Emerson sales office or Local Business Partner about this equipment, refer to the serial
ACTUATOR SIZE
10
12
14
16
18
20
22
24
26
28
PART NUMBER
Standard Low
Temperature Temperature
R685X000252 R685X000272
R685X000012 R685X000092
R685X000022
R685X000102
R685X000032 R685X000112
R685X000042 R685X000122
R685X000052 R685X000132
R685X000062 R685X000142
R685X000072 R685X000152
R685X000082 R685X000162
R685X000262 R685X000282
685SE/685SR Piston Actuator
June 2017
High
Temperature
R685X000292
R685X000172
R685X000182
R685X000192
R685X000202
R685X000212
R685X000222
R685X000232
R685X000242
R685X000302
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