ADS Environmental Services Eureka Digital QR 775020 A0 - Manual (Page 57)

ADS Eureka Digital System User Manual
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6. If no leakage exists, fully open the hydrant valve to completely charge
(e.g., fill) the hydrant. Filling the hydrant applies pressure to the caps,
including the hydrophone assembly, on the hydrant.
7. Slowly open the hydrophone bleed valve slightly to allow air to
escape.
8. Close the bleed valve once only water is escaping.
Once installed correctly, connect the hydrophone directly to the
transmitter.
Before removing a hydrophone assembly, make sure the hydrant valve is
closed. Then, reopen the bleed valve to release the pressure.