Filter installation
WARNING
Filter Safety
• Do not use the respirator without the spark screen, pre-
filter, and the HE particulate filter (HEPA) installed. The
approval of this PAPR is with the spark screen, pre-filter
and HE particulate filter installed using respirator without
any of these items is not in accordance with approval and
may be dangerous to your health.
• Replace air filters when damaged or clogged. DO NOT
wash, clean with compressed air or reuse dirty air filters.
• Use specific replacement filters specified in this manual.
Use of other filters is in violation of the approval of the
respirator system. Refer to parts pages for system
configuration.
Install the spark screen, pre-filter, and particulate filter in filter
cover exactly as shown.
Install the filter cover assembly to the blower unit by engaging
tabs on filter cover into bracket on blower unit and rotate
assembly to close. Push filter cover assembly down until latch
clicks into position securing filter cover assembly. Make sure the
filter cover assembly is secure to the blower unit body. Inspect
both latching side of cover and opposite side to see that the filter
cover is properly secured.
To replace filter, push latch into release filter cover and replace
filter as shown in figure 3. Refer to parts page at the back of this
operator's manual for proper filters to be used with this respirator.
VIKING PAPR 3350 WELDING HELMET
FIGURE 3
Particulate
Filter
Pre-Filter
Spark
Screen
Latch
Filter
Cover
11