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Mustang Survival MSV971 Life Preserver and Survival Vest
Description and Maintenance Instructions
9 June 2004, Rev: 1.0
2.5 MANUAL CO
2
INFLATION DEVICE
The MSV971 is an appropriate platform for a wide variety of customized LP/SV units to address user
requirements that include:
• use in ejection seat fitted aircraft
• use with an automation inflation device
• stowage of unique pieces/combinations of survival equipment
Contact Mustang Survival for further details.
2.5.1 Life preservers, which are intended for use in non-ejection seat, equipped aircraft incorporate
a manually operated inflation device. The operating components of the manual inflation device
(Halkey-Roberts HD77189 840 AMLS INFLATOR) are shown in figure 5.
Figure 5. Manual CO
2
Inflation Device – Non-Operated/Ready Position
CO2 Cylinder
Manual Inflator
Lever in Up and
Read
y
Position
Green Indicator Pin
Pull-tab
2.5.2
2.6.1
The manual inflation device is located on the rear left lobe of the inflatable cell. The inflation
device is secured with a cap nut to the manifold valve, which in turn is RF bonded to the
inflatable cell. A 34-37 gram carbon dioxide (CO
2
) cylinder is threaded into the top of the
inflation device, and is secured against the cell with a looped nylon elastic retaining strap. The
beaded inflation handle is attached with a lanyard to the operating lever of the inflation device,
which in turn is safety tied by inserting and tying a red cotton witness thread through the hole
in the operating lever and through the hole in the body of the inflation device.
2.6 BEADED CO
2
INFLATION HANDLE
The beaded inflation handle is constructed of six plastic beads threaded onto a loop of nylon
webbing. The handle is attached with a lanyard to the operating lever of the CO
2
inflation
device and is fixed with Velcro™ to the back side of the left lobe of the protective container.
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