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General| Brand | Dyna-Flo |
|---|---|
| Model | DFC |
| Category | Controller |
| Language | English |
General information and instructions for operating and maintaining the actuator equipment.
Details the manual's coverage of actuator disassembly, reassembly, installation, and maintenance.
Procedures for verifying bench setting, including loading pressure and travel measurement.
Ensure valve is securely supported and placed on a stable surface before mounting the actuator.
Aligning stems, installing stem connector, tightening yoke nut without over-tightening.
Steps for installing the stem connector, including applying pressure and aligning.
Procedures for safely disassembling the actuator, including pressure relief and component removal.
Procedure for removing the spring adjuster and spring seat from the actuator.
Steps to remove the upper diaphragm casing, travel stop, and actuator stem.
Steps for removing bushing, o-rings, and inspecting sealing surfaces.
Steps for installing the gasket, lower diaphragm casing, and bushing with lubricant.
Procedure for installing the spring seat, spring adjuster, and spring into the actuator yoke.
Procedure for adjusting travel limits using jam nuts, extension stem, and travel stop screws.
Steps for disassembling travel stops, including removing caps, nuts, and extension stems.
Procedure for reassembling travel stops, applying anti-seize, and adjusting limits.
Explanation of the Dyna-Flo DFC/DFO series actuator model numbering system and options.
