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Visual inspection
•
Check the face seal material for damage.
•
Check the face seal attachment to the respirator chassis and visor.
•
Check the visor seal for damage.
Replace any damaged parts including scratched or damaged visors.
Airflow Pre-Use Check
Ensure that the air filters have been installed correctly as shown in Fig 9:
Check the airflow as shown in Fig 3.
•
Turn the helmet upside down and locate the airflow indicator on the four slots at
the front of the helmet.
•
Press the red on/off switch to operate the fan. An audible tone should sound briefly
one time. The red ball is raised to the top of the indicator tube if the system is
operating correctly.
•
If the red ball is raised to less than half the height of the tube then either the battery
charge is low or the filters are blocked and need replacing.
Low Battery Warning
If an audible regular intermittent tone sounds recharge or replace the battery pack.
WEARING AND USING
Fitting the respirator
•
Adjust the crown strap length on the headband as shown in Fig 4 so that the
headband rests against brow.
•
Adjust headband diameter by pulling out knob and rotating for head size, push the
knob in to secure as shown in Fig 4.
•
Ensure face seal is above the ears. Check that the face seal is taut so that there
are no gaps between mask and face as shown in Fig 5.
•
Switch on the fan/motor by operating the red on/off switch.
Removing the respirator
•
Switch off the fan/motor by operating the red on/off switch.
•
Pull out the knob and to release headband and remove respirator.
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