When you receive the
valve it will be in the "Closed" position.
When the valve is closed the word "Closed" will be
visible through the window in the visual valve position indicator
located on the top of the valve just above the clamp band.
TO OPEN AND RESET
With a suitable wrench, apply light force to rotate
reset shaft counter clockwise until the word "Open" is visible through
Release pressure on
the wrench, and the reset shaft will return to its original position.
The word "Open" remains visible through the window.
The valve is now
open. and the acceleration trigger mechanism is set to respond to
CAUTION: Resetting the valve requires only light force. Excess force
can damage the valve.