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TO RESUME USE OF THE RESPIRATOR
If you must resume use of the respirator, proceed as follows:
1. NEVER resume use of a respirator where an end of service indica-
tor alarm was activated without first determining and correcting the
reason for the end of service indicator alarm.
2. make sure that the remaining air supply in the cylinder is sufficient to
accomplish the purpose for which respirator use has been resumed.
As a general rule, replace partially depleted cylinders with full cylin-
ders before respirator use is resumed.
3. To resume use of the respirator, repeat the respirator and facepiece
donning procedures as defined in the USE OF RESPIRATOR section
of this instruction.
4. When operations using the respirator are complete, leave con-
taminated area or be certain that respiratory protection is no longer
required and proceed with the TERmINATION OF USE steps described
above.
USE IN STANDBY
The respirator may be donned and worn in "Standby," so that it is ready
for use. This means the respirator is in place on the user's body with
the shoulder straps properly adjusted and the waist belt buckled, but the
facepiece is not donned (sealed to the face) and the respirator is not
being used.
1. Leave the cylinder valve fully open and verify that the air saver/don-
ning switch is depressed.
2. Remove the facepiece but leave the regulator attached to the face-
piece.
3. Keep the facepiece ready for use either of two ways:
a) Hang the facepiece from the snap clip on the left shoulder pad,
b) Hang the facepiece from the optional neck strap.
TO PREVENT A SNAG HAZARD, DO NOT LET THE FACEPIECE HANG
LOOSE WITHOUT SECURING IT AS NOTED ABOVE.
4. The regulator can be detached from the facepiece until needed. To
detach the regulator from the facepiece:
a) Place your right hand over the cover with your thumb on the lock
tab.
b) Pull the lock tab toward the cover and rotate the regulator 1/4
turn clockwise (viewed from inside of facepiece).
c) When the red purge valve is in the 12 o'clock position remove
regulator from the facepiece.
d) The regulator can be stored in the optional regulator holder on
the waist belt.
LOW BATTERY
As the batteries begin to approach the end of their useful life, the low battery
condition will be signified by the following:
1. The round LOW BATTERY indicator at the far right of the HEADS-UP
display will light for twenty (20) seconds and then begin to flash ten
(10) times per second.
2. If the respirator is equipped with a PAK-ALERT distress alarm, the
green lights on the control module and backframe will go out.
While in low battery condition, the HEADS-UP display and the PAK-ALERT
distress alarm will continue to operate for a period of time greater than
the longest duration cylinder available for the respirator. However, the
batteries must be replaced before the respirator is used again. See Bat-
tery Replacement section of these instructions.
NOTE
Page 31 of 48
WARNING
IF RESPIRATOR USE IS RESUMED AFTER
THE AIR HAS BEEN PARTIAlly CONSUMED
(CylINDER lESS THAN FUll), yOU MUST
BE CERTAIN THAT THE REMAINING AIR
WIll BE SUFFICIENT FOR yOUR SAFETy.
REFER TO THE USING THE RESPIRATOR
SECTION OF THIS INSTRUCTION.
WARNING
TO PREVENT A SNAG HAZARD, DO NOT lET
THE FACEPIECE HANG lOOSE WITHOUT
S E C U R I N G I T. FA I l U R E TO P R O P E R ly
SECURE THE FACEPIECE MAy RESUlT IN
DAMAGE TO THE EQUIPMENT THAT COUlD
RESUlT IN SERIOUS INJURy OR DEATH.
WARNING
FAIlURE TO REPlACE THE BATTERIES
A N D / O R C O N T I N U I N G W I T H M U lT I P l E
USES OF THE RESPIRATOR AFTER THE
l O W B AT T E Ry C O N D I T I O N H A S B E E N
INDICATED By THE PAK-AlERT DISTRESS
AlARM MAy RESUlT IN FAIlURE OF THE
PAK-AlERT DISTRESS AlARM DURING USE
WHICH COUlD lEAD TO SERIOUS INJURy
OR DEATH OF THE USER.
USE OF RESPIRATOR
CONTINUED ON NEXT PAGE...
P/N 595279-01 Rev. B 5/14
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