Checking For Tight Fit - Dräger FPS 7000 Instrucciones De Uso

Use
3.4

Checking for tight fit

1. Insert the lung demand valve into the connector.
2. Turn and pull the lung demand valve to check if it fits tight.
Have a second person check the tightness and correct
connection.
3. Close the medium-pressure hose with your thumb.
4. Inhale and hold your breath. There must be no noticeable
air ingress, otherwise check the mask fit. The exhaled air
must be able to escape without obstruction through the
exhalation valve.
P
5. Repeat the seal test twice.
6. Connect SCBA or airline equipment.
Alternative leak test if the lung demand valve remains
connected to the SCBA and the mask:
1. Close cylinder valve.
2. Empty the system of all air by breathing and perform the
leak test.
3. Re-open the cylinder valve.
The masks with the RA, PE and ESA connectors can be tested in two
ways:
with connected lung demand valve or respiratory filter

without lung demand valve or respiratory filter. However, this test

does not include the tight connection of the mask/lung demand
valve or mask/respiratory filter.
24
Leak test with connected lung demand valve or respiratory filter:
1. Screw lung demand valves or respiratory filters into the
connector until they are tight. Have a second person
check the tightness and correct connection.
2. Close the medium-pressure hose with your thumb or
close the filter opening with the ball of your hand.
RA
3. Inhale and hold your breath. There must be no noticeable
PE
air ingress, otherwise check the mask fit.
The exhaled air must be able to escape without
obstruction through the exhalation valve.
4. Repeat the seal test twice.
5. If required, connect SCBA or airline equipment.
1. Insert the lung demand valve into the connector or screw
in the respiratory filter until it fits tight.
2. Turn and pull the lung demand valve to check if it fits tight.
Have a second person check the tightness and correct
connection.
3. Close the medium-pressure hose with your thumb or
ESA close the filter opening with the ball of your hand.
4. Inhale and hold your breath. There must be no noticeable
air ingress, otherwise check the mask fit.
The exhaled air must be able to escape without
obstruction through the exhalation valve.
5. Repeat the seal test twice.
6. If required, connect SCBA or airline equipment.
(approved by Dekra Exam) Dräger FPS 7000