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Preparing for Use
G1 Powered Air-Purifying Respirator (PAPR)
US
6.2.2 Rechargeable (NiMH) Batteries
WARNING!
Do NOT let rechargeable (NiMH) batteries fall to the ground or be damaged in any way that can cause
a rupture.
If the battery is damaged, remove it. Obey the instructions in Section 11.3 "Discarding Rechargeable
(NiMH) Batteries" to discard the battery. Obey the instructions in Section 6.2 "Installing the Battery" to
install a new battery.
Do NOT use the rechargeable (NiMH) battery for more than 4 hours. Doing so can result in signifi-
cantly decreased airflow and permanent damage to the battery.
Do NOT let the rechargeable (NiMH) battery discharge fully.
Failure to obey these warnings can result in serious injury or death.
Before you use the rechargeable (NiMH) battery for the first time, or if the battery has not been used
for several months, do three 6-hour charge/4-hour discharge cycles to get the best battery perfor-
mance. Do the discharge cycles with the blower assembly operating in a nonhazardous environment
without the breathing tube or cartridges/canisters installed. Refer to Section 11.2 "Charging
Rechargeable (NiMH) Batteries" for instructions.
(1) Turn the black battery cap assembly counterclock-
wise to loosen and remove it.
(2) Put the split ring on the retaining lanyard through the
securing hole of the blower housing.
(3) Remove the black battery cap assembly.
Keep the black battery cap assembly for possible
future use.
(4) Put the split ring on the retaining lanyard for the green
battery cap assembly through the securing hole of the
blower housing.
(5) Install the green battery cap assembly, and turn it
clockwise to hand-tighten it.