Instruction Manual
D100310X012
667 Actuator (Size 30/30i - 76/76i and 87)
May 2018
24
8. Separate the stem (key 150) and screw (key 160, figure 22) from the handwheel body.
9. Before reassembling, lubricate parts indicated by key 239 in figures 21 through 25. Use anti‐seize lubricant (key
239).
10. Reassemble parts in the reverse order of removal.
11. When replacing the cap screws (key 154) and, if used, the travel stops (key 152), be sure to return them to their
original position as recorded in step 7.
CAUTION
Over‐tightening the diaphragm cap screws and nuts (keys 13 and 14), figures 6, 7, 8, 9, and 10 can damage the diaphragm.
Do not exceed 27 NSm (20 lbfSft) torque.
12. Install the cap screws and nuts (keys 13 and 14, figures 6, 7, 8, 9, and 10) and finger tighten. Tighten the
diaphragm cap screws and nuts to 27 NSm (20 lbfSft) torque in a crisscross pattern.
13. Return the spring adjuster (key 74, figure 6, 7, 8, 9, and 10) to its original position. Re‐adjust the travel stop.
Parts Ordering
Each actuator has a serial number stamped on the nameplate. Always mention this number when corresponding with
your Emerson sales office
or Local Business Partner regarding technical information or replacement parts. Also,
reference the complete 11‐character part number of each needed part as found in the following Parts Kits and Parts
List sections.
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
Actuator Repair — Soft Parts Kits
Parts kit includes keys 8, 9, and 70. O‐ring material is nitrile, and
gasket material is composition.
Description Part Number
Size 30/30i R667X000302
Sizes 34/34i & 40/40i R667X000402
Sizes 45/45i through 60/60i R667X000502
Sizes 70/70i & 87 R667X000702
Size 76/76i R667X000762
Actuator Repair — Hardware Kits
Hardware kit includes casing bolts (key 13), casing nuts (key 14),
actuator stem (key 144), and seal bushing (key 7) in standard
materials.
Description Part Number
Size 30/30i R667X000312
Size 34/34i R667X000412
Size 40/40i R667X000422
Size 45/45i R667X000512
Size 46/46i R667X000522
Size 50/50i R667X000532
Size 60/60i R667X000542
Size 70/70i R667X000722
Size 76/76i R667X000772
Size 87 R667X000732
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