Page 2 - Instruction Manual; being fully trained and; Description
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 2 Table 1. Specifications SPECIFICATION ACTUATOR SIZE SPECIFICATION 80 100 Nominal Effective Diaphragm Area cm 2 1761 2902 Nominal Effective Diaphragm Area inch 2 273 450 Yoke Boss Diameters mm 127 127 178 Yoke Boss Diameters i...
Page 3 - Specifications; Maximum Casing Pressure for Actuator; This is the maximum pressure that can be; Maximum Excess Diaphragm Pressure:; If the; Installation; WARNING
667 Size 80 and 100 Actuators Instruction Manual Form 1432December 2007 3 Figure 2. Schematic Representation of Type 667 Actuator DIAPHRAGM AIRLIFTS SPRINGPUSHESDOWN ACTUATORSTEM TYPE 667 REVERSEĆACTING DIAPHRAGM ACTUATOR AF3833-AA6127 / IL increases valve seat load on valve applicationswhere additi...
Page 4 - Actuator Mounting; For top-loaded actuators
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 4 When an actuator and valve are shipped together,the actuator is normally mounted on the valve.Follow the valve instructions when installing thecontrol valve in the pipeline. If the actuator isshipped separately or if it is ne...
Page 5 - Adjustments; Travel; Size 80 Actuator Spring; Note; Size 100 Actuator Spring; CAUTION; For small spring forces,; adjustments can be made
667 Size 80 and 100 Actuators Instruction Manual Form 1432December 2007 5 Adjustments Travel Make travel adjustments when the motion observedduring actuator travel is different from the travelstamped on the actuator nameplate. If the ActuatorMounting procedure was followed correctly, thisadjustment ...
Page 6 - For high spring forces,; it is necessary to use; Maintenance; Always wear protective gloves,
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 6 For high spring forces, it is necessary to use spacers between the bottom of the yoke and thespring seat to isolate spring force from the adjustingnut. WARNING To avoid personal injury from thecompressed actuator spring snapp...
Page 7 - even when the valve has; Size 80 Actuator Maintenance; Disassembly
667 Size 80 and 100 Actuators Instruction Manual Form 1432December 2007 7 D Disconnect any operating lines providing air pressure, electric power,or a control signal to the actuator. Besure the actuator cannot suddenlyopen or close the valve. D Use bypass valves or completely shut off the process to...
Page 8 - To disassemble snubber:; Assembly; install the
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 8 10. For actuators with a snubber (see figure 8): WARNING To avoid personal injury due to thesudden, uncontrolled movement ofparts, ensure the actuator spring is notunder compression before removingthe travel stop. a. Remove t...
Page 10 - After the last hex nut is tightened to 68 N; Size 100 Actuator Maintenance
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 10 diaphragm. Do not exceed 68 N S m (50 lbf S ft) torque. 11. Insert the cap screws (key 13) into the diaphragm casing, and tighten the hex nuts (key 14) in the following manner. The first four hex nutstightened should be diam...
Page 11 - unscrew and remove the travel stop
667 Size 80 and 100 Actuators Instruction Manual Form 1432December 2007 11 These instructions outline theprocedure required to decrease highspring compression. Loosen the jam nut (key 26), and rotate the adjustingnut (key 25) until spring compression is relieved. 3. Remove the pressure tubing or pip...
Page 13 - For actuators with a top-mounted handwheel,; lbf; After the last hex nut is tightened to 68 N; For actuators with a top-mounted handwheel; mount the gear case assembly
667 Size 80 and 100 Actuators Instruction Manual Form 1432December 2007 13 spring interferes with installation ofthe lower diaphragm casing, repositionthe spring by rotating the adjustingnut (key 25). 4. Install the lower diaphragm casing, and secure itby tightening the four hex nuts. 5. Lubricate t...
Page 16 - Size 80 Side-Mounted Handwheel
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 16 18. Insert the cap screws (key 13) into the upperdiaphragm casing (key 1), and finger tighten thescrews. 19. Tighten the cap screws (key 13) in the followingmanner. The first four cap screws tightened shouldbe diametrically ...
Page 17 - Size 80 Hydraulic Snubber; Key numbers are shown in figure 9.
667 Size 80 and 100 Actuators Instruction Manual Form 1432December 2007 17 worm shaft (key 51). Thread the handwheel cap (key 127) onto the worm shaft. 6. Pack the two thrust bearings (key 43) with lithiumgrease lubricant. Install one thrust bearing; theninstall the worm gear (key 44), followed by t...
Page 18 - Parts Ordering; Use only genuine Fisher; Parts Kits; Actuator Repair Kit; Parts List; Actuator
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 18 Assembly 1. The front and back worm retainers (keys 48 and 49) each have a slot in their threads for a setscrew (key 52). Pack the ball bearings (key 50) withlithium grease, and insert one ball bearing into theback worm reta...
Page 19 - Side-Mounted Handwheel Size 80
667 Size 80 and 100 Actuators Instruction Manual Form 1432December 2007 19 Key Description Part Number 8* O-Ring, nitrile (2 required) Size 80 1D542906992 Size 100 1H8627X0042 9* O-Ring, nitrile Size 80 1D439206992 Size 100 1R834206992 10 Seal Bushing Retainer 11 Cap Screw 12 Cap Screw 13 Cap Screw ...
Page 20 - Top-Mounted Handwheel Size 100
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 20 Key 18 Spring, steel ACTUATOR SIZE RANGE TRAVEL COMPRESSION RATE MAXIMUM LOAD PART NUMBER COLOR CODE SIZE bar psi mm Inches N/mm Lb/in N Lb NUMBER CODE 0.2-1 3-15 76 3 175.1 1000 25,042 5630 1H747727082 Red 0.2-1 3-15 51 2 2...