MSA AirHawk MMR Скачать руководство пользователя страница 8

Страница: 8 / 24

DONNING

8. Check for air leaks. Open cylinder valve fully to pres-

surize system, then close the cylinder valve and watch
the harness pressure gauge.

9. If the needle drops more than 100 psi in 10 seconds,

there is a leak. Do not use the apparatus until the leak
is found and corrected.

10. Crack the bypass valve slowly to bleed off pressure

until gauge needle drops below:

550 psig - approximately (low-pressure system) or,
1125 psig – approximately (high-pressure system)

The whistle will sound. The whistle must continue to
sound until pressure is less than 200 psig. Close the
bypass fully.

If the whistle fails to sound, do not use the apparatus.
The SCBA must be checked and corrected for proper
operation by an MSA trained or certified repairperson
before using. Failure to follow this warning may result
serious personal injury or death.

Note:

Before donning, check that the regulator sealing

ring is seated properly in its groove, and that it is not torn,
gouged, or nicked.

DONNING THE FACEPIECE

Do not wear eye glasses under the facepiece. The
temples or sidebars on eye glasses will prevent an air-
tight seal. if you must wear glasses, install the specta-
cle kit. Failure to follow this precaution may cause
inhalation of contaminated air, resulting in serious res-
piratory injury or death.

1. Extend the facepiece straps fully. Place neckstrap

around your neck and don the facepiece by inserting
your chin first.

2. Pull the head harness

completely over your
head and tighten the
lower (neck) straps.

3. Tighten the lower (neck) harness straps first, by pulling

them straight back, not out. Tighten the temple straps
the same way. Tuck in the ends of the straps so that
they lay flat across the head.

4. Push headband pad towards neck, retighten the

straps (if necessary) for best visibility and fit. Tuck in
the ends of the straps so they lie flat across the head.

FACEPIECE FIT CHECK

Check the inhalation valve, inhale. If you do not
receive sufficient flow of air, do not use facepiece. The
facepiece must be repaired or replaced.

1. To check for facepiece

fit, hold the palm of
your hand over the inlet
connection and inhale.
Hold your breath at
least 10 seconds. The
facepiece should col-
lapse and stay col-
lapsed against your
face. If it does not,
readjust the facepiece
and test again.

If this

does not correct the leak, do not use the face-
piece.

2. Test the exhalation

valve, take a deep
breath and hold it.
Block the inlet connec-
tion with the palm of
your hand and exhale.
If the exhalation valve
is stuck, you may feel a
heavy rush of air
around the facepiece.

Note:

You may need to exhale sharply to open the valve.

If this does not release the valve, do not use the face-
piece.

This device may not seal properly with your face if you
have a beard, gross sideburns or similar physical
characteristics (see ANSI Z88.2). An improper facial
seal may allow contaminants to leak into the face-
piece, reducing or eliminating respiratory protection.
Do not use this device if such conditions exist. The
face-to-facepiece seal must be tested before each
use. Never remove the facepiece except in a safe,
non-hazardous non-toxic atmosphere. Failure to fol-
low this warning can result in serious personal injury
or death.

TAL 5010 (L) Rev. 3 - 10037469

WARNING