PreParing For use
Before using Respirator – Check the Following Items
1. Blower Assembly
• Verify the air filter is proper for application and is approved
for use with this respirator. Verify the spark screen, pre-
filter and particulate filter are properly installed and securely
latched.
2. Breathing Tube
• Make sure tube is not damaged and connected properly to
the blower unit and helmet.
3. Battery
• Verify connection to blower unit is secure and that battery is
fully charged.
4. Air Flow/Air Flow Alarms
• Start blower unit and verify air flow rate is being maintained
by checking for air flow alarm activation. Test to verify air
flow alarm is working (see page 15 for procedure).
5. Helmet/Hood
• Inspect helmet for damage and replace if necessary. If air
from blower is not being supplied to helmet, see
troubleshooting guide (page 15).
VIKING PAPR 3350 WELDING HELMET
FIGURE 9
17