18
WARNING
IF LEAKAGE OF AIR INTO THE FACEPIECE
IS DETECTED DURING CHECK OF THE
FACE TO FACEPIECE SEAL, DO NOT USE
THE RESPIRATOR. REMOVE FACEPIECE
AND REPEAT THE DONNING PROCEDURE.
IF FACEPIECE CANNOT BE ADJUSTED TO
SEAL TO FACE, A FACEPIECE FIT TEST
AND/OR A DIFFERENT SIZE FACEPIECE
MAY BE REQUIRED BEFORE USE OF THE
RESPIRATOR. USE OF A RESPIRATOR
WITH A POORLY FITTING FACEPIECE MAY
EXPOSE THE USER TO THE HAZARDOUS
ATMOSPHERE AND RESULT IN SERIOUS
INJURY OR DEATH.
WARNING
CHECK THE FACE TO FACEPIECE SEAL
BEFORE USE. A POOR FACE TO FACE-
PIECE SEAL MAY RESULT IN LOSS OF AIR
WHICH MAY CAUSE REDUCED DURATION
OF USE AND/OR EXPOSURE OF THE USER
TO THE HAZARDOUS ATMOSPHERE WHICH
COULD CAUSE SERIOUS INJURY OR
DEATH.
10. Check face to facepiece seal and end of service indicator alarm op-
eration by pushing in on the cylinder valve and rotating it clockwise to
completely close it. Breathe on respirator. As the air pressure falls in
the respirator, one of the end of service indicator alarms will actuate.
Immediately on actuation of an end of service indicator alarm, hold
breath momentarily and make certain that the VIBRALERT and
HEADS-UP DISPLAY both actuate (rapid clicking of the VIBRALERT
Alarm, rapid flashing of the HEADS-UP DISPLAY red light). Resume
breathing on the respirator until all air stops flowing from the breath-
ing regulator. Inhale slowly and hold breath momentarily. No leakage
of air shall be detected into the facepiece and the facepiece shall be
drawn slightly to the face. Open cylinder valve and breathe normally.
If the environment is suitably quiet, leakage from the facepiece
can also be detected by listening for a flow of air while holding
your breath. Inhale and hold your breath momentarily after don-
ning the facepiece. Do not depress air saver/donning switch. Air
should not be heard flowing into the facepiece from the regulator
and no flow of air shall be detected outward from the facepiece.
If leakage of air is detected during either of the above procedures,
depress the air saver/donning switch on the top of the regulator, doff
the facepiece and repeat donning steps 1 through 8 above. If a user
seal check is unsatisfactory either per the user instructions above
or the OSHA fit testing process, the use of Mask Seal Kit P/N
805655-01 is required. The Mask Seal Kit is provided with the full
facepiece. Refer to the INSTALLATION AND USE INSTRUCTIONS,
SCOTT P/N 89462-01, included with the Mask Seal Kit. This is a
NIOSH approved kit to enhance the fit of the facepiece.
If leakage persists, do not use the respirator.
11. Put on, or replace, helmet or other required protective head gear and
put on or properly position and close any required protective cloth-
ing such as turn out gear. The user of the respirator must make
certain that any protective head gear, helmet or protective clothing
does not interfere with the use of the respirator and that the head
can move freely without dislodging the facepiece or disturbing the
face to facepiece seal. See ANSI Standard Z88.2 entitled Practices
for Respiratory Protection for additional information. When the res-
pirator is used in conjunction with fire fighting, see NFPA Standard
1500, entitled Standard on Fire Department Occupational Safety and
Health Program for additional information.
NOTE
DO NOT ATTACH ANYTHING TO, OR CARRY ANYTHING ON, THE
AIR-PAK NXG
2
SCBA SHOULDER STRAP BUCKLES AS THIS
COULD CAUSE THE SHOULDER STRAPS TO LOOSEN DURING
USE OF THE RESPIRATOR.
WARNING
IF THE END OF SERVICE INDICATOR
ALARMS DO NOT ACTUATE AS DESCRIBED
IN THIS INSTRUCTION, DO NOT USE THE
RESPIRATOR. REMOVE THE RESPIRATOR
FROM SERVICE AND TAG IT FOR REPAIR
BY AUTHORIZED PERSONNEL. USE OF A
RESPIRATOR WITH A MALFUNCTIONING
END OF SERVICE INDICATOR MAY RESULT
IN SERIOUS INJURY OR DEATH.
USE OF RESPIRATOR CONTINUED...
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