Rotary Pump Pressure Adjustment

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  1. Remove the rear wrap-around body panel by removing the three screws on each side (For detailed information on this step, please visit Accessing the Inside). When using a flathead screwdriver, use the index finger and thumb of one hand to keep the screwdriver steady on the screw head. This will avoid any slippage and scratches to the body.
  2. Using a 3/4″ open-ended wrench, remove the gold cover nut (shown being held between fingers).
  3. After removing the cover nut, use a flat-headed screwdriver to adjust the now visible screw. Turn clockwise to increase pressure, and counterclockwise to decrease pressure.
A hand performing pressure adjustment on a brass valve connected to metal pipes of a rotary pump, with a cylindrical copper tank in the background. © 2025 1st-line.com

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