MTI-4005 Neptune Arming Instructions

24g Automatic
Inflatable Life Jacket
NEPTUNE
INSTRUCTIONS FOR ARMING OR RE-ARMING YOUR LIFE JACKET
Note: ReArming must follow the entire sequence below.
Step 1:
Step 8:
Open the life jacket so that the inflator is accessible.
If you are arming the jacket for the first time skip to Step 8,
your bobbin is already installed.
Step 2: Remove the spent CO2 cylinder by firmly rotating the
cylinder counterclockwise, then pull out. Discard cylinder.
Step 3:
Step 4:
Note:
Step 5:
Step 6:
Step 7:
Note:
Remove cap by turning counterclockwise.
Remove bobbin from cap or housing unit. Discard bobbin (yellow).
Check housing to be sure it is clear and dry.
The bobbin (yellow) body may remain in the housing or in the
cap assembly when you remove the cap.
The bobbin must be removed prior to rearming.
A new bobbin must be used. New bobbin must have been
purchased within three (3) years. If the bobbin purchase date is
unknown, check date stamped on the bobbin, purchase a new bobbin
if the date is more than three (3) years old.
IMPORTANT! Bobbin (yellow) must be installed into the HOUSING
(**see figure), white side up, aligning the slots on the bobbin with
the ridges inside the threaded housing.
The bobbin will slide in easily if installed correctly.
Install cap by screwing clockwise until it meets the housing shoulder.
No gap between the cap and the housing shoulder.
Check the new cylinder to be sure it has the sensor ring attached.
Confirm that the bobbin is installed in the cap by lifting/pressing the yellow
lever arm up. If the bobbin is not in place the lever arm will be very difficult to lift.
CO2 Cylinder
Sensor Ring
Bayonet
Tabs
24g Cylinder
Lever Arm
Jerk Tab
Cap
Bobbin
Housing
Housing Shoulder
Service Indicator
Step 9:
!
IMPORTANT! You will damage the sensor ring and may pierce the cylinder if the
bobbin and cap are not installed first.
Install the new cylinder by engaging the bayonet tabs in the housing, pushing in
and turning clockwise 1/8 turn to a full stop.
WARNING: PFD WILL ONLY INFLATE IF
CYLINDER IS TURNED TO FULL STOP.
Service Indicator
If green, unit is operable.
If red, stop and service unit.
Step 10:
Check to be sure service indicator is green.
page 2, document revised 2016.10.27