33
During Use
G1 Powered Air-Purifying Respirator (PAPR)
US
8.2
Cold Weather Operation
WARNING!
Before going into a hazardous environment, make sure that there is no water, moisture, or dampness
on or in any of the respirator components. Any moisture on or in the respirator components can freeze
and result in a malfunction of the respirator. Make sure that all components operate correctly.
Failure to obey this warning can result in serious injury or death.
(5) Push the airflow indicator into the outlet port of the
blower assembly until the airflow indicator touches the
bottom of the outlet port.
(6) Move the power switch to the "ON" position.
(7) Make sure that the red ball goes above the line on the
outside of the airflow indicator. If it does not, do the
following:
a) Replace the battery with a new single-use (Li-SO
2
)
or fully charged rechargeable (NiMH) battery, and
do an airflow test again.
b) If the airflow test is unsatisfactory, adjust the posi-
tion of the cartridges/canisters, and do an airflow
test again.
c) If the airflow test is unsatisfactory, remove the
respirator from service.
(8) Move the power switch to the "OFF" position.
(9) Remove the airflow indicator.
(10) Install the inlet port of the breathing tube in the outlet
port of the blower assembly, and hand-tighten the
connection.
(11) Do a negative pressure seal test before returning to a
contaminated area. Refer to Section 7.3 "Testing the
Negative Pressure Seal" for instructions.
