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2) Automatic Backup Inflation (MD3087)
Inflation will occur automatically within 10 seconds after the inflator
is immersed in water. The water-sensing bobbin will disintegrate,
triggering a spring-loaded plunger, which punctures the CO
2
cylinder
(Figs. 8 and 10) to inflate the Inflatable PFD.
Information
When inflated, the carbon dioxide (CO
2
gas) used
to inflate the PFD
will slowly escape through the fabric over time. A slight reduction
of pressure will be observed after several hours of inflation. Topping
up by oral inflation may be required in the event of very prolonged
immersion.
IMPOR
TANT
: See Special Considerations for Automatic Devices
3) Oral Inflation
Properly armed and inspected Inflatable PFDs will inflate when
manually or automatically activated. However, you can fully inflate
the Inflatable PFD by mouth (Fig. 4) should inflation not occur, or if
you are in a non-emergency situation. To orally inflate the Inflatable
PFD, first locate the oral inflation tube by opening the wearer ’s left
front panel of the Inflatable PFD. Remove the dust cap from the end
of the oral tube and blow into the tube until the Inflatable PFD is
fully inflated.
Place the oral inflator dust cap back in the stowed position (Fig. 6).
WARNING: Avoid double inflation (CO
2
cylinder inflation after
full oral inflation) as it could damage the PFD.
FIGURE 4
Inflatable PFD Owner’s Manual 6 7 Inflatable PFD Owner’s Manual