6
PX4 AIR
®
FIGURE 1.1
1. RESPIRATOR
HELMET/
HOOD
ASSEMBLY
2. BREATHING
TUBE
ASSEMBLY
3. AIR SUPPLY
PX4 AIR
®
RESPIRATOR COMPONENT DIAGRAM
The RPB
®
PX4 AIR
®
is part 3 of the 3 main
components that constitute a powered air
purifying respirator. (Note the T-Link
®
has
been used in the above diagram as an
example.)
NIOSH - CAUTIONS AND LIMITATIONS
Powered Air
A.
Not for use in atmospheres containing
less than 19.5 percent oxygen.
B.
Not for use in atmospheres immediately
dangerous to life or health.
C.
Do not exceed maximum use
concentrations established by regulatory
standards.
F.
Do not use powered air-purifying
respirators if airflow is less than four
cfm (115 lpm) for tight fitting face pieces
or six cfm (170 lpm) for hoods and/or
helmets.
I.
Contains electrical parts that may cause
an ignition in flammable or explosive
atmospheres.
J.
Failure to properly use and maintain this
product could result in injury or death.
L.
Follow the manufacturer’s User’s
Instructions for changing cartridges,
canister and/or filters.
M.
All approved respirators shall be
selected, fitted, used and maintained
in accordance with MSHA, OSHA, and
other applicable regulations.
N.
Never substitute, modify, add or omit
parts. Use only exact replacement parts
in the configuration as specified by the
manufacturer.
O.
Refer to user’s instructions, and/or
maintenance manuals for information
on use and maintenance of these
respirators.
P.
NIOSH does not evaluate respirators for
use as surgical masks.
S.
Special or Critical User Instructions and/
or specific limitations apply. Refer to
“S-Special or Critical User Instructions”
on page 15 before donning.