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For the non-harness model MD3183, the belt should fit below your
rib cage adjusted to a tight personal fit.
For the harness model MD3184, the bottom of the belt must always
be worn at least 2 inches (5 cm) above the lowest rib and adjusted
to a tight personal fit.
2) Put the Inflatable PFD on just like a jacket (Fig. 3) and fasten the
front buckle. Adjust the waist belt using the side buckle on the belt
and secure the belt’s loose end in the belt loop.
WARNING: Do not wear Inflatable PFDs under clothing as the
inflation could be restricted or you could be injured.
Inflating Your Inflatable PFD
It is recommended that the following procedures be followed to inflate
your Inflatable PFD:
1) Manual Inflation
Activate the inflation
system by jerking firmly
downward on the pull-tab
(Fig. 4). The Inflatable PFD
should fully inflate within 5
seconds.
2) Automatic Backup
Inflation
When the inflator is
lowered more than about 4 inches in the water, then the hydrostatic
valve opens and lets the water meet the water sensitive element that
in turn releases a stainless steel coil spring. The spring then drives a
Inflatable PFD Owner’s Manual 5
Automatic Inflator
FIGURE 3
FIGURE 4