Multitest ND
Operator's manual
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14
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Lung-governed demand valve
—closing pressure
IMPORTANT: Be sure to strictly adhere to the sequence of steps!
Detach the lung-governed demand valve from the equipment
connector.
Activate the positive-pressure function of the lung-governed
demand valve.
Attach the connecting nipple of the lung-governed demand valve to the
SCBA.
Open the breathing-air-cylinder valves.
Attach the lung-governed demand valve, with its positive-pressure
function activated, to the equipment connector.
Release pressure via the relief valve for 5 seconds.
Perform the test against the specifications provided by the equipment
manufacturer.
Mask
—leak tightness
Strap the mask onto the dummy head.
Connect the testing hose to the tester and the mask.
Move the “suction 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 “suction 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.
