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FORCE ADJUSTMENT INSTRUCTIONS LV

Force adjustment instructions

  • The piston rod must always be pointing downwards when the force is adjusted.
  • Ensure that the valve screw is directed away from you and others when you start the opening process.
  • Open the valve by turning the screw very slowly and carefully anti-clockwise ¼ turn or until you can hear a weak hissing noise. Be prepared to turn the screw back slightly in the opposite direction when you hear the hissing.
  • Do not use excessive force when closing as you may damage the valve.

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