Instruction Manual Form 1203 October 2000
Type 667 Size 30-76 & 87
Type 667 Diaphragm Actuator Sizes 30-76 and 87 Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maximum Pressure Limitations . . . . . . . . . . . . . . . .
2 2 3 3
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Mounting the Actuator on the Valve . . . . . . . . . . . . Discussion of Bench Set . . . . . . . . . . . . . . . . . . . . . . Bench Set Spring Adjustment . . . . . . . . . . . . . . . . . For Direct Acting Valves (PDTC) . . . . . . . . . . . . . . For Reverse Acting Valves (PDTO) . . . . . . . . . . . Installing the Stem Connector Assembly . . . . . . . . Deadband Measurement . . . . . . . . . . . . . . . . . . . . . . Loading Connection . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
4 5 6 6 6 7 8 8
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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
W1916-1*/IL
Figure 1. Type 667 or 667-4 Actuator Mounted on easy-eR Valve
Parts Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
Side-Mounted Handwheels Retrofit Kits . . . . . . . . 17 Top-Mounted Handwheel Retrofit Kits . . . . . . . . . 17 Actuator Repair Kits . . . . . . . . . . . . . . . . . . . . . . . . . 17
Parts List
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Actuator Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . Top-Mounted Handwheel . . . . . . . . . . . . . . . . . . . . Side-Mounted Handwheel (30-60) . . . . . . . . . . . . Side-Mounted Handwheel (70, 76, & 87) . . . . . . Casing Mounted Travel Stops . . . . . . . . . . . . . . . .
17 19 21 21 22
D100310X012
Installation