User Manual
15
DRAFT COPY
DRAFT COPY
6. Remove both used batteries from the battery compartment by lifting the
edge of the batteries at the contact end, using a finger or the flat blade of
a screw driver. Be careful not to damage the battery contacts or the seal-
ing rib around the battery compartment.
7. Install two (2) fresh new batteries. Always replace both batteries at
the same time. Use only pairs of the following: Energizer
2
Alkaline No.
522 or EN22, Duracell
3
Alkaline No. PC1604 or MN1604, or for increased
service life use Ultralife
4
Lithium Battery No. U9VL. Be sure the batteries
are installed with the terminals positioned as indicated by the “+” and “-”
symbols molded in bottom of battery compartment.
8. The battery cover must be re-installed so that it is water tight. As shown
in FIGURE 9, clean the sealing rib around the battery compartment and
sealing face of the cover with a clean damp cloth to remove any dirt or
foreign matter which might prevent a proper seal. Check the cover gas-
ket for tears or cuts. If any damage is found, remove the respirator from
service and tag for repair by authorized personnel.
2
Energizer is a registered trademark of Eveready Battery Company, Inc., St Louis, MO.
3
Duracell is a registered trademark of The Gillette Company, Boston, MA.
4
Ultralife is a registered trademark of Ultralife Batteries, Inc., Newark, NY.
9. Re-install the battery cover and evenly tighten the four (4) cover screws
by moving around the cover in a clockwise direction, turning each screw
1 or 2 turns at a time until cover is fully seated and all four screws are
tight.
10. On respirators equipped with Aluminum Backframe,
P/N 804415-01, reinstall the sensor module by sliding
it back into the backframe until the retaining spring as
shown in FIGURE 10.
FIGURE 10
RETAINING SPRING
REPLACE
WARNING
THE PAK-ALERT DISTRESS ALARM IS IN-
TENDED TO ASSIST IN LOCATING A PERSON
WHO MAY BE IN A LIFE THREATENING SITUA-
TION. FAILURE TO FOLLOW THE
INSTRUCTIONS FOR OPENING, CHANGING THE
BATTERIES AND RE-CLOSING THE BATTERY
COMPARTMENT MAY RESULT IN DAMAGE
WHICH COULD CAUSE FAILURE OF THE PASS
DURING A LIFE THREATENING EMERGENCY
OR COULD CAUSE A FIRE OR EXPLOSION IN A
FLAMMABLE OR EXPLOSIVE ATMOSPHERE
POSSIBLY RESULTING IN INJURY OR DEATH.
CHECK YOUR WORK!
BEFORE ASSEMBLY OF BATTERY COVER,
CHECK TO SEE BOTH BATTERIES ARE FRESH,
NEW BATTERIES OF THE TYPE INDICATED
ABOVE AND THAT THEY HAVE BEEN IN-
STALLED PROPERLY.
FIGURE 9
BATTERY COMPARTMENT AND COVER SEAL
SEALING
RIB
SEALING
AREA
11. AFTER REPLACEMENT OF BATTERIES, PERFORM A REGULAR
OPERATIONAL INSPECTION BEFORE RETURNING RESPIRATOR TO
SERVICE.