proceeding (Fig. 6). If either of these conditions exist, the auto
cap must be re-screwed or the bobbin replaced! Ensure the
yellow manual cap is stowed in the accessory pocket (Fig. 14). A
spare cylinder (not supplied) may also be stored in this pocket.
CO2 Cylinder
Manual
Inflato
r
Lever In
Up-and-Ready
Position
Green
Indicator Pin
Lanyard
Pull Tab
Manual Inflation System (MD3003)
FIGURE 2
3) Make sure the manual lever is in the up-and-ready position and
insert the green indicator pin if not already in place. Make sure the
CO
2
cylinder is screwed hand tight into the inflator (Fig. 2 for the
MD3003) (Fig. 6 for the MD3031).
4) Check that the oral-inflation dust cap is properly in the stowed
position (Fig. 5).
5) Refasten the chest flap Velcro™. Refer to the Repacking instructions
(p. 11). If everything checks out, your Inflatable PFD is ready for use.
and an accessible manual inflation lanyard. A PFD which is “approved
only when worn” or “required to be worn” must be worn under the
specified conditions.
WHAT IS AN INFLATABLE PFD?
While traditional PFDs are inherently buoyant, inflatable PFDs rely
entirely on inflation for buoyancy. Uninflated, the Inflatable PFD is a
comfortable slim collar that can be inflated at any time with a 33-gram
CO
2
gas cylinder. The Inflatable PFD is designed to offer maximum
mobility with minimum bulk. The Inflatable PFD (MD3003) can be
inflated either manually by jerking a pull-tab, or orally (by mouth). The
Inflatable PFD (MD3031) can be inflated either automatically during
water immersion, manually by jerking a pull-tab, or orally by mouth. It is
recommended that you familiarize yourself with the procedures outlined
in INSTRUCTIONS FOR USE (p. 2).
INSTRUCTIONS FOR USE
This manual supplies instructional, maintenance and safety information
for both models (MD3003 and MD3031) unless specified otherwise. The
model number is listed on the underside label.
Check Your Inflatable PFD Before Using It
After purchasing your Inflatable PFD, make sure it has an unused 33
gram CO
2
cylinder attached to the inflator mechanism (Fig. 2 for the
MD3003) (Fig. 6 for the MD3031).
Check the components and how to assemble the inflator by following
these steps:
1) Undo the Velcro™ tabs on the wearer’s right-hand side of the collar
to expose the inflator (Fig. 3).
2) Unscrew and remove the CO
2
gas cylinder from the inflator and
inspect its small end. If it is pierced (Fig. 4), replace it!
For the MD3031 - Examine the auto cap. Ensure that the cap is
screwed hand tight onto the inflator. If a day-glow red spring has
been exposed the auto capsule mechanism has been fired or is
incorrectly screwed on (Fig. 8). If required, replace the bobbin before
2 Inflatable PFD Owner’s Manual Inflatable PFD Owner’s Manual 3
FIGURE 3
Dust cap
in deflation
position
Dust cap
in stowed
position
FIGURE 5
FIGURE 4
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