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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 (Figure 5) should inflation
not occur, or if you are in a non-emergency situation.
To orally inflate the Inflatable PFD in a non-emergency
situation:
i. Ensure the cylinder body and inflator cap are
properly installed.
ii. Open both of the zippers (2) starting from the
Velcro™ Tab (Figure1).
iii. Locate the oral inflation tube by opening the
wearer’s left front panel of the Inflatable PFD.
iv. Remove the dust cap from the end of the oral tube and blow into the tube until the
Inflatable PFD is fully inflated.
To orally inflate the Inflatable PFD in an emergency situation:
i. Locate the oral inflation tube by opening the zipper flap on the wearer’s left front
panel of the inflatable PFD.
ii. Remove the dust cap from the oral tube and blow into the tube. If the PFD does
not break out of the zippers entirely, separate the cover zipper by hand. Continue
blowing into the oral tube until the PFD is fully inflated.
WARNING: Avoid double inflation (CO
2
cylinder inflation after full oral
inflation) as it could damage the PFD.
Special Considerations for Inflatable Devices
The Inflatable PFD might not be armed when needed, either knowingly or unknowingly.
Inadvertent inflation causes several risks that you must address to avoid drowning. Much less
common but also important are:
1. Double inflation (CO
2
cylinder inflation after full oral inflation) could damage the
Inflatable PFD.
2. Inflation when stowed in a tight space could damage the Inflatable PFD.
3. If you need to jump from any height, always fold your arms over your chest to keep the
PFD in place when entering the water.
4. The Inflatable PFD could inflate when you are in an awkward place or position. If this
Inflatable PFD should inflate inadvertently, a re-arm kit (MA7214) is required to re-arm
the device.
IMPORTANT: The Inflatable PFD should be re-armed according to the
instructions (Re-arming Your PFD, page 8).
Figure 5
MD3188 Inflatable PFD Manufacturer's Manual
7