Fisher 667 User Manual

D100310X012
Type 667 Diaphragm Actuator Sizes 30-76 and 87
Contents
Introduction 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Pressure Limitations 3. . . . . . . . . . . . . . . .
Installation 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting the Actuator on the Valve 4. . . . . . . . . . . .
Discussion of Bench Set 5. . . . . . . . . . . . . . . . . . . . . .
Bench Set Spring Adjustment 6. . . . . . . . . . . . . . . . .
For Direct Acting Valves (PDTC) 6. . . . . . . . . . . . . .
For Reverse Acting Valves (PDTO) 6. . . . . . . . . . .
Installing the Stem Connector Assembly 7. . . . . . . .
Deadband Measurement 8. . . . . . . . . . . . . . . . . . . . . .
Loading Connection 8. . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator Disassembly 9. . . . . . . . . . . . . . . . . . . . . . .
Actuator Assembly 9. . . . . . . . . . . . . . . . . . . . . . . . . .
Top-Mounted Handwheel Assembly (Adjustable
Down Travel Stop) 10. . . . . . . . . . . . . . . . . . . . . .
Disassembly for Top-Mounted Handwheel 10. . .
Assembly for Top-Mounted Handwheel 11. . . . . .
Side-Mounted Handwheel Assembly for
Size 34 through 60 Actuators 13. . . . . . . . . . . . .
Disassembly for Side-Mounted
Handwheel (34-60) 13. . . . . . . . . . . . . . . . . . . . . .
Assembly for Side-Mounted
Handwheel (34-60) 13. . . . . . . . . . . . . . . . . . . . . . .
Side-Mounted Handwheel Assembly for
Size 70, 76, and 87 Actuators 14. . . . . . . . . . .
Disassembly for Side-Mounted
Handwheel (70, 76, & 87) 14. . . . . . . . . . . . . . . .
Assembly for Side-Mounted Handwheel
Handwheel (70, 76, & 87) 14. . . . . . . . . . . . . . . .
Casing-Mounted Travel Stops 16. . . . . . . . . . . . . . . .
Figure 1. Type 667 or 667-4 Actuator Mounted
on easy-e
R
Valve
W1916-1*/IL
Parts Kits 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Side-Mounted Handwheels Retrofit Kits 17. . . . . . . .
Top-Mounted Handwheel Retrofit Kits 17. . . . . . . . .
Actuator Repair Kits 17. . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator Assembly 17. . . . . . . . . . . . . . . . . . . . . . . . . .
Top-Mounted Handwheel 25. . . . . . . . . . . . . . . . . . . .
Side-Mounted Handwheel (30-60) 28. . . . . . . . . . . .
Side-Mounted Handwheel (70, 76, & 87) 31. . . . . .
Casing Mounted Travel Stops 31. . . . . . . . . . . . . . . .
Instruction Manual
Form 1203
February 2000
Type 667 Size 30-76 & 87

Fisher 667 Specifications

General

Action	Direct or Reverse
Input Signal	3-15 psi (0.2-1.0 bar)
Ambient Temperature Range	-20 to 180°F (-29 to 82°C)
Materials	Aluminum, Stainless Steel
Supply Pressure	1.4 to 1.6 bar (20 to 23 psig)