Lincoln Electric VIKING PAPR 3350 Manual Del Proprietário página 15

air Flow alarm oPeration
Air Flow Alarm
• The control system of the blower unit maintains the air flow
rates consistently throughout the operating time. If the air flow
alarm is activated, the filter may need to be replaced and/or
breathing tube has become blocked.
BLOCK AIR FLOW
WITH HAND
• Always test air flow alarm prior to using respirator.
• If an alarm sounds or the blower vibrates, leave work area
immediately. Do not remove the respirator until you are in a
safe area.
Testing of Air Flow Alarm
Testing of air flow alarm must always be done in a safe
enviroment.
Disconnect breathing tube from helmet. Start blower unit and
block air flow by placing your hand over the end of the breathing
tube as shown. Hold your hand over end of tube as shown until
alarm sounds and blower vibrates (approximately 15 to 30
seconds).
If the alarm does not activate return unit for repair and do not use.
VIKING PAPR 3350 WELDING HELMET
FIGURE 7
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