Specifications

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DONNING

There must be a continuous flow of air when the

bypass knob is opened. If not, do not use the appara-

tus. The SCBA must be checked and the condition

corrected by an MSA trained or certified repairperson

efore it can be used. Failure to follow this warning

an result in serious personal injury or death.

Note:

If the air mask passes all tests, the unit is ready to

use. Remember, you must perform these tests every time

before you enter the hazardous atmosphere. If the unit

fails to meet any of the tests, the condition(s) must be

corrected before using the apparatus.

INSTALLING THE FIREHAWK PUSH-TO-CONNECT

MASK MOUNTED REGULATOR

1. Grasp regulator and insert regulator into facepiece

adapter by pushing inward. Check proper engagement

by pulling on the regulator to ensure regulator is

securely attached to facepiece adapter.

Do not use the SCBA unless the regulator is connect-

ed properly. A regulator that is not installed correctly

can separate from the facepiece unexpectedly. Return

the SCBA to an MSA trained or certified repairperson

to correct the condition. Failure to follow this warning

can result in serious personal injury or death.

2. Inhale sharply to start the airflow.

3. Check the bypass again by turning the red knob

counter-clockwise until you feel increased air flow.

Close the bypass.

There must be a continuous flow of air when the

bypass knob is opened. If not, do not use the appara-

tus. The SCBA must be checked and the condition

corrected by an MSA trained or certified repairperson

before it can be used. Failure to follow this warning

can r

esult in serious personal injury or death.

Note:

If the apparatus passes all tests, the unit is ready to

use. Remember, you must perform these tests every time

before you enter the hazardous atmosphere. If the unit

fails to meet any of the tests, the condition(s) must be

cor

ected befor

e using the apparatus.

USING THE AIR MASK

Periodically check the pressure indicated on the

NightFighter Heads-Up Display System or ICM Unit pres-

sure gauge. It continually displays the cylinder pressure.

When the needle reaches the red zone, the Audi-Larm

larm with URC Assembly will begin ringing and

ightFighter Heads-Up Display System or ICM Unit

auge will begin to light or tone. When the bell starts

ringing or when the pressure reaches approximately 25%

of the rated service pressure, return to fresh air.

NightFighter Heads-Up Display System, ICM Unit Gauge,

and Audi-Larm Alarm with URC Assembly activate when

cylinder pressure drops below approximate values:

530psig-approximately for low pressure

750psig-approximately (3000:psi system)

1175psig-approximately for high pressure

When the NightFighter Heads-Up Display System, ICM

Unit Gauge or Audi-Larm Alarm activates, immediately

return to fresh air.

Note: Apparatus service life is reduced greatly when the

bypass is used.

PRECAUTIONS DURING USE

Periodically check the pressure indicated on the remote

gauge.

• Reduced air flow: Immediately open the bypass.

Immediately return to fresh air.

• Air mask free-flows: Immediately return to fresh air.

• Audi-Larm Alarm with URC Assembly Rings:

Immediately return to fresh air.

• NightFighter Heads- Up Display System Low Volume

Indicator Lights and Flashes: Immediately retur

n to

fresh air.

• ICM Unit Gauge Lights and Flashes: Immediately

etur

n to fresh air.

Do not use a 2216psi Air Cylinder on a 3000psi operat-

ing system. Such a configuration is not approved by

NIOSH. Failure to follow this war

ning can r

esult in

serious personal injury or death.

AL 606 (L) Rev. 16 - 10023638

WARNING

ARNING