Attach the lung-governed demand valve to the equipment
connector.
Seal the connecting nipple of the lung-governed demand valve.
Move the “pressure pump” lever to the “OPEN” position.
Press and hold the pump push-button.
Let the pressure build up until it is slightly higher than the level required
for testing and move the “pressure pump” lever to the “CLOSED”
position.
Release the pump push-button.
Release pressure via the relief valve until the level required for testing is
reached.
Perform the test against the specifications provided by the equipment
manufacturer.
IMPORTANT: Be sure to strictly adhere to the sequence of steps!
Detach the lung-governed demand valve from the equipment
connector.
Deactivate the positive-pressure function of the lung-governed
demand valve.
Connect the SCBA to the medium-pressure testing hose.
Connect the lung-governed demand valve to the medium-pressure testing
hose.
Connect the medium-pressure testing hose to the tester.
Open the breathing-air-cylinder valves.
Attach the lung-governed demand valve to the equipment
connector.
Move the “pressure pump” lever to the “OPEN” position.
Press and hold the pump push-button.
Let the pressure build up until it is slightly higher than the level required
for testing and move the “pressure pump” lever to the “CLOSED”
position.
Release the pump push-button.
Release pressure via the relief valve until the level required for testing is
reached.
Perform the test against the specifications provided by the equipment
manufacturer.