Dräger FPS 7000 Instructions For Use Manual page 173

Method B
1. Close the RA-type connector with the palm of your hand.
2. Inhale, then hold your breath. No entry of air should be perceived,
otherwise check if the facepiece was donned correctly.
The exhaled air must escape through the exhalation valve without
resistance.
3. Repeat the fit test twice.
4. Screw the canister into the connector until it is tightly seated. Have
a second person check the firmness and correct connection.
Facepiece with P-type connector
Choose either method C or method D to check tight fit of the facepiece.
Method D allows you to keep the air-supply system connected to the
facepiece.
Method C
1. Put lung demand valve in the connector.
2. Turn and pull the lung demand valve to check for tight fit. Have a
second person check the firmness and correct connection.
3. Close the medium pressure hose with your thumb.
4. Inhale, then hold your breath. No entry of air should be perceived,
otherwise check the fit of the facepiece. The exhaled air must
escape through the exhalation valve without resistance.
5. Repeat the fit test twice.
6. Connect self-contained breathing apparatus or airline breathing
apparatus to the lung demand valve.
Dräger FPS 7000
Method D
If lung demand valve and air-supply system are already connected to
the facepiece, proceed as follows:
1. Inhale and hold your breath - there should be no audible leak.
2. Recommence breathing - exhaled air should easily flow out of the
3. Close the air-supply system, and breathe normally to empty the
4. Open the air-supply system again.
(Use Instructions for NIOSH-approved full facepieces)
exhalation valve.
system. When the pressure gauge indicates zero (system empty),
inhale and hold your breath for approximately 8 seconds. The
facepiece should hold on to the face indicating a positive seal.
Use
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