Mira MB-90, Manual

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Attach breathing tube and valve covers to the gas mask, ensuring the mask is effectively sealed and functioning
before attaching the breathing tube to the PAPR unit.
8
If, during use, the airflow from the blower assembly should noticeably decrease or stop completely, or if inhalation
should become difficult, immediately leave the contaminated area. Decontaminate and, if necessary, check the
PAPR.
14
After four (4) hours of continuous use, the user must leave the contaminated area, decontaminate if required, and
inspect for damage.
13
If the airborne contaminant is detected by odor, taste, eye irritation, or if any discomfort is felt during use,
immediately leave the contaminated area. Decontaminate and, if necessary, check the PAPR.
15
If the battery compartment should become hot to touch, immediately turn the Power Switch to OFF. Do not
remove the facepiece, but continue to breathe through the respirator and immediately leave the contaminated
area. Decontaminate and, if necessary, check the PAPR.
16
Manually inspect the seals and junctions of your gas mask, breathing tube, and PAPR filter connectors to ensure
none are drawing air. This could indicate a faulty seal somewhere in the system.
Do not permit the batteries to completely discharge during use. Always monitor battery performance and change the batteries immediately after
use or if they expire.
10
Turn the power switch to the ON position. You should immediately notice improved airflow within your gas mask.
9
Use of the PAPR must be in strict accordance with the guidelines and warnings contained herein. The maximum
safe duration of use primarily depends on
12
Note
Perform a NEGATIVE LEAK PRESSURE TEST before using in the field.
11
The amount and
type(s) of
contaminant(s) in
the air and the
capacity of the
filter elements to
absorb and
neutralize the
contaminant(s).
a
The amount of
airborne particles
(dust) in the
atmosphere.
b
The charge in the
batteries.
c
The physiological
limits of the user.
d
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