Specifications

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DESCRIPTION

The air masks from MSA are pressure-demand, self-con-

tained breathing apparatus (SCBA) with NightFighter

Heads-Up Display System, URC Assembly (Universal

Rescue Connection), and Pressure Gauge certified by the

ational Institute for Occupational Safety and Health

(

NIOSH) for use in atmospheres immediately dangerous to

ife or health:

``Immediately dangerous to life or health’’ means condi-

tions that pose an immediate threat to life or health or

conditions that pose an immediate threat of severe expo-

sure to contaminants, such as radioactive materials,

which are likely to have adverse cumulative or delayed

effects on health [Title 42 CFR, Part 84.2, (Q)] Additionally,

the air masks are designed to comply with the NFPA-1981

Standard.

DO NOT use this carrier and harness assembly as a

vertical raising or lowering device. Failure to follow

this warning can result in serious personal injury or

death.

MMR breathing apparatus consists of the following major

sub-assemblies.

• first stage regulator

• second stage regulator

• air cylinder and valve

• Audi-Larm™ Audible Alarm with URC Assembly

• carrier and harness

• facepiece

• NightFighter Heads-Up Display System/ICM Unit

Gauge

FIRST STAGE REGULATOR

The PR14 First Stage Regulator incorporates a down-

stream design and dual springs to provide maximum relia-

bility

. The regulator incorporates a large, easily replace-

able, sintered filter to capture particulates that may be in

the air stream.

SECOND STAGE REGULATOR

This is a pr

essur

e-demand r

egulator

, which keeps a posi-

tive pressure in the facepiece all the time. A slide button

(top r

elease button) on top of the regulator stops air flow

To stop airflow, push the button IN. To restart the regula-

tor, inhale sharply. The regulator attaches to the facepiece

with a push to connect connector

. The regulator delivers

lar

ge flow rates accurately and quickly

DUAL-PURPOSE

The Firehawk MMR is used as a combination apparatus. It

is approved by NIOSH for use as a half-hour or one hour,

pressure-demand, self-contained breathing apparatus for

entry or escape from oxygen deficient atmospheres,

ases, or vapors.

he Firehawk MMR is a self-contained breathing appara-

tus rated for 30, 45, or 60 minute service duration. It is

also a supplied-air respirator utilizing a supply of air from

a stationary cylinder or compressor.

The Dual-Purpose Conversion Kit supplies the parts nec-

essary to modify a Firehawk MMR Air Mask so that it can

function as either a self-contained breathing apparatus

(SCBA) or as an air-line, air-supplied respirator.

When used as a combination apparatus, the device shall

be supplied with respirable air through 8 to 300 feet of air-

supply hose from MSA, within a pressure range of 85-

90psig.

Particles and contaminants can enter a supplied-air

respirator system when air supply hoses are discon-

nected and/or reconnected in a contaminated atmos-

phere. Failure to follow this warning can result in seri-

ous personal injury or death depending on the toxicity

of the contaminant involved. It is the responsibility of

the user to determine the potential risk and to take the

necessary warnings, which may include a requirement

that NO disconnection or reconnection of air supply

hoses be permitted in a contaminated atmosphere. If

in doubt DO NOT disconnect and/or reconnect.

DO NOT install or attempt to use any hose assembly

or fitting other than those supplied by MSA for the

Firehawk MMR Dual-Purpose. Failure to follow this

warning can result in serious personal injury or death.

AIR CYLINDER AND VALVE

*as approved by NIOSH

AL 606 (L) Rev. 16 - 10023638

Capacity Pressure Rated Svc*

Cubic Ft. psig Life (Min.)

4500 30

88 4500 60

2216

45 2216 30

60 3000 30

66 4500 45

WARNING