
DONNING
DONNING THE AIR MASK
1. Remove the facepiece from the case.
DO NOT use a cover lens in a high-temperature envi-
ronment, such as firefighting. High temperatures may
distort the cover lens. Or, moisture trapped between a
cover lens and the facepiece lens may condense and
distort vision. Always remove the cover lens before
donning the facepiece. Misuse can result in serious
injury or death.
2. Ensure the the Audi-
Larm coupling nut is
hand-tight (no tools).
3. Ensure that the cylinder is fully pressurized.
4. Reach the right arm inside the right shoulder straps
and grasp the NightFighter HUD Transmitter or
FireHawk M7 Control Module. Slide the left arm
through the left shoulder straps.
5. Bend forward slightly; resting the carrier on the back.
6. Attach the chest strap buckle (optional).
7. Fasten the waist belt and pull it tight for a snug fit.
Most of the air mask weight should be carried on the
hips.
8. Stand up straight. Pull the shoulder strap pull tabs out
to tighten the shoulder straps. Additional adjustments
to the waist belt may be needed.
9. The shoulder straps and waist strap ends must be
tucked in and lay flat across the body.
BEFORE USING THE AIR MASK
1. Grasp the Firehawk Regulator and push the side but-
tons.
2. Ensure that the red
bypass knob is fully
closed (clockwise).
3. Reach behind and fully
open the cylinder valve.
Listen for any hiss or pop sounds from the Audi-Larm
Alarm, if heard, do not use the air mask. Return it to
an MSA trained or certified repairperson. Misuse can
result in serious injury or death.
4. As the system pressure rises from 50 to 200 psi, both
visible and audible alerts activate automatically, indi-
cating that the air mask is functioning properly. Such
alerts include a brief ring from the Audi-Larm Alarm, a
chirp from the FireHawk M7 Power Module (integrated
PASS version), and a pressure display on the
FireHawk M7 HUD or I-HUD LEDs.
DO NOT use the air mask if the Audi-Larm Alarm fails
to ring, the FireHawk M7 Power Module (integrated
PASS version) fails to sound, or the FireHawk M7 HUD
or I-HUD fails to light, The air mask must be checked
and corrected for proper operation by an MSA trained
or certified repairperson before using. Misuse can
result in serious injury or death.
5. No air should flow from
the Firehawk Regulator.
If it does, repeat steps
1 and 2.
6. Ensure the FireHawk M7 HUD or I-HUD and FireHawk
M7 pressure indicators show a full cylinder.
15
TAL 1705 (L) Rev. 18 - 10082858
Содержание FireHawk M7
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