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PX4 AIR PAPR
PAPR SETUP AND USE CONTINUED
HIGH EFFICIENCY FILTER
FIGURE 3.1
A 03-981 prefilter is mounted in front of the
03-985 HE filter to prolong the life of the Filter.
FIGURE 3.3
Mount the 03-985 HE Filter into the door, note
the logo on the front of the filter should be to
the bottom.
12
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FIGURE 3.2
Check your environments. For use in
environments with sparks or molten metal,
use the 03-982 spark arrester in front of the
03-981 prefilter. This will reduce the risk of fire.
FIGURE 3.4
Slide the door on to the hinge block on the right
side of the fan unit as you face it, rotate the
door to the left and latch in place.