Mustang Survival Life Jacket MD1127 User Manual

OWNER’S MANUAL  
MD1127 LIFE PRESERVER  
BY MUSTANG SURVIVAL  
 
TABLE OF CONTENTS  
INTRODUCTION  
DESCRIPTION  
A. GENERAL  
B. THE MD1127 LIFE PRESERVER  
1. DESIGN AND CONSTRUCTION  
2. INFLATION SYSTEM  
3. INFLATION CELL  
4. FASTENER  
1
2
2
3
3
3
3
4
4
4
5
5. BELT  
6. MARKINGS  
7. PACKAGE  
5
OPERATING INSTRUCTIONS  
A. THE BUOYANCY CELL  
5
5
6
7
1. DEFLATING THE BUOYANCY CELL  
2. INFLATING THE BUOYANCY CELL  
3. FIT ADJUSTMENTS  
B. DONNING INSTRUCTIONS  
C. FOLDING PROCEDURES  
D. LAUNDERING PROCEDURES  
7
8
9
11  
MAINTENANCE, INSPECTION  
AND TESTING PROCEDURES  
A. COMPONENT TESTING  
1. INFLATABLE CELL TEST  
12  
12  
12  
13  
2. ORAL INFLATION VALVE TEST  
3. CO2 INFLATION VALVE TEST  
B. INSPECTION PROCEDURES  
C. REPAIRS  
D. WARRANTY REGISTRATION  
13  
15  
15  
 
INTRODUCTION  
DESCRIPTION  
Mustang inflatable life preservers are items of primary survival equipment, and as such,  
every precaution shall be taken to assure proper storage, maintenance, and handling. The  
life of the wearer may well depend on the condition of the life preserver and the security  
of its attachments and equipment. This publication provides the information required to  
inspect, test, and maintain the inflatable life preserver model MD1127. This model has been  
approved by the Federal Aviation Administration (FAA) as Type I Life Preservers according to  
the Technical Standard Order TSO-C13f.  
A. General  
Mustang Survival is pleased to present an FAA approved inflatable life preserver, the  
MD1127. This product is designed with sufficient buoyancy to turn an unconscious  
person face upwards within five seconds of immersion. Fully inflated, the life preservers  
provides a minimum effective buoyant force of 35 lbs. The MD1127 is universal in  
size and is designed to fit most adults comfortably. This can be worn over bulky  
outer clothing, and has adjustable nylon waist belts which secure an easy-to-wear  
position allowing for maximum freedom of movement. Each life preserver is equipped  
with a small rescue light, which is water activated and may be used as a beacon for  
emergency rescue situations.  
WARNING:  
CONSTANT WEAR USE ONLY TO BE DONNED PRIOR TO EACH FLIGHT  
Note: The conditions and tests required for TSO approval of these articles are minimum  
performance standards. It is the responsibility of those desiring to install the articles either  
on, or within, a specific type or class of aircraft to determine that the aircraft installation  
conditions are within the TSO standards; the articles may be installed only if further  
evaluation by the applicant documents an acceptable installation, and is approved by the  
Administrator.  
The life preserver is inflated by using a carbon dioxide gas inflation system. It is a  
common characteristic that all inflatable life preservers will gradually permeate CO2  
gas through their cell material with time, and a softening of the cell will be observed  
over extended periods. In the MD1127 this is over come by providing an oral inflation  
system to top up the pressure in the cell. The oral inflation system may also provide  
added pressure to the cell in cold temperature conditions, since under these conditions  
the CO2 gas will not expand as greatly as in warmer temperatures. Finally, in the event  
that the CO2 inflation system fails to operate, the oral inflation system may be used as  
a backup system to fully inflate the life preserver.  
All correspondence concerning this manual shall be directed to:  
Mustang Survival Corp.  
7525 Lowland Drive  
Burnaby, B.C.  
V5J 5L1, Canada  
Toll Free: 1-800-526-0532  
Figure 1: MD1127  
1
2
 
4. Fasteners  
B. The MD1127 Life preserver  
1. Design and Construction  
The MD1127 has easy-to-use, Velcro®, hook and loop fasteners on each  
side of the front cover. This allows the life preserver to be opened when  
inflated, and easily folded when deflated. When inflating, the Velcro®  
fasteners burst open allowing the inflation cell to expand out of the cell  
enclosure.  
The MD1127 incorporates a dual chamber inflatable cell, which is  
separated by an internal floating baffle. The floating baffle allows either  
chamber to fully inflate the life preserver. The life preserver is styled as a  
protective collar fitted around the neck and front chest. The protective collar  
is constructed from a highly durable 6 oz. Nomex Omniweave. The outer  
shell of the MD1127 is not integral with the inflation cell, but acts as a cell  
enclosure by opening the Velcro® seals; when deflated, the inflation cell is  
folded and placed back into the cell enclosure as shown in Figure 4.  
Figure 1: Deflating the buoyancy cell  
The MD1127 includes a small carry pouch attached to the waist belt, and  
two small pockets located on each of the insides of the front cover. A safety  
whistle is supplied with the life preserver, attached to the bottom right section  
of the bladder. A sea light is attached to the left side of the bladder.  
a) Starting from the end farthest from the oral valve, tightly roll  
up the life preserver.  
2. Inflation System  
The MD1127 dual chamber inflatable cell design incorporates a primary  
inflation cell accessed from a CO2 inflation system and an oral inflation  
system, along with a secondary cell accessed from its own oral inflation  
system. In case the primary inflation cell has been punctured, or fails to  
inflate, the life preserver may be inflated orally by the secondary inflation  
cell. The oral inflation systems consist of an oral tube and oral valve. The oral  
valve is normally closed, and is opened by depressing the mouthpiece when  
inflating or deflating.  
b) Depress the oral valve to release the trapped air.  
5. Belt  
A durable nylon waist belt is attached to the life preserver. This belt is  
fastened and fitted using a quick-release buckle and waist belt adjuster.  
To tighten the belt, pull the extra webbing from the waist belt adjuster, as  
shown in Figure 5. After adjusting the fit, the excess webbing is led through  
a belt loop to keep it out of the way.  
3. Inflation Cell  
The polyurethane coated nylon dual chamber inflation cell is not integral with  
the outer shell of the life preserver, but is connected to the outer shell only  
by the inflation system. The dual chamber cell is in the form of an inflatable  
head support collar, which fits around the neck and chest. The primary  
chamber of the cell is located on the outer front side of the inflation cell,  
while the secondary cell is located on the inner side of the inflation cell.  
The dual chamber cell is fully inflated with one 35 gram cylinder of  
compressed CO2 gas.  
6. Markings  
The life preserver is marked with indelible stencil and all markings appear  
in both English and French. The life preserver is marked with donning  
instructions, which are located on the left back cover. The donning instruc-  
tions are printed clearly enough to be read even in dimly lit surroundings.  
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4
 
7. Package  
A bright yellow polyurethane coated nylon package is provided for  
storage purposes. The package is closed by a Velcro® patch placed on its  
cover flap. This allows the package to be opened quickly in the event of  
an emergency.  
b) Insert second arm into other side of life preser ver.  
OPERATING INSTRUCTIONS  
A. The Buoyancy Cell  
As with any type of personal protective apparel, your Mustang inflatable  
will perform most effectively, and its life will be extended, if it is properly  
cared for. Periodically, and prior to each use, visually inspect the fabric and  
the buoyancy cell for signs of damage. Periodically test the buoyancy cell  
to make certain that it does not leak by following the testing procedures  
outlined in this manual. Once a month, inflate the cell by mouth until it is  
firm and leave overnight. If it is airtight, the cell should still be inflated the  
next day.  
c) Fasten waist belt.  
Also check that all seams and joints are securely sewn and that the  
fabric, straps and hardware are still serviceable. At the same time, test the  
oral inflation valve for leakage by immersing the valve in a glass of water.  
Bubbles in the water may indicate a faulty valve. If your Mustang inflatable is  
damaged, replace it immediately.  
d) Pull inflation handle sharply downwards.  
1. Deflating the Buoyancy Cell  
To fully deflate the buoyancy cell, squeeze and roll up the cell gently, then  
depress the top of the oral valve until all the air or gas is removed, as shown  
in Figure 2. For the MD1127, the deflated buoyancy cell is then to be  
returned to its storage position within the cell enclosure (see Figure 4).  
e) Tighten waist belt adjuster.  
Figure 3: Donning and Operating Instructions  
2. Inflating the Buoyancy Cell  
Manual inflation  
Inflation with CO2 gas is accomplished quickly and simply by pulling down  
sharply on the beaded pull cord on the right hand side of the life preserver.  
This action releases gas into the buoyancy cell, which then fully inflates with  
in 5 seconds.  
a) Insert first arm between back strap and front cover.  
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6
 
Oral Inflation  
In the event that the CO2 gas cylinder fails to inflate the buoyancy cell, or if  
the cell needs to be topped up during use, your inflatable life preserver can  
be inflated by mouth through the inflation tube. To inflate by mouth, depress  
the mouthpiece and blow into the tube until the cell is fully inflated.  
3. Fit Adjustments  
b) Fold each side of the inflation cell so that the V elcro® tape along the  
enclosure flaps is exposed.  
Immediately after the buoyancy cell is fully inflated, adjust the waist belt by  
pulling or releasing the waist strap until the life preserver fits comfortably,  
without riding up (see Figure 5).  
CAUTION: Under no circumstances should a partially inflated  
buoyancy cell be re-inflated by discharging the CO2 gas  
cylinder because it may overfill and rupture the cell.  
c) Fold the enclosure flaps over the inflation cell so that the V elcro® tape is  
completely sealed.  
B. Donning Instructions  
The following steps outline the procedures for donning the MD1127 life  
preserver, see Figure (3a - 3e) for illustrations of each step.  
Proceed as follows:  
C. Folding Procedures  
1. Lay the life preserver flat, and completely deflate the chamber by using a  
vacuum source. If a vacuum source is not available, deflate by depressing  
the oral valve while rolling up and squeezing the life preserver. When  
rolling the chamber start from the ends and roll towards the valve, while  
depressing the oral valve. When completely rolled, first release the valve,  
then unroll the life preserver. The life preserver should be thoroughly  
evacuated.  
1.Insert the first arm into the life preserver between the back strap and the  
front cover, then pull over the shoulder.  
2.Insert the second arm into the other side of the life preserver.  
3.Fasten the waist belt.  
4.Pull the inflator pull cord (located at the right front cover) sharply  
downwards to activate inflation.  
2. Pack the inflation cell back into the cell enclosure; shown in Figure 4.  
3. Ensure that the CO2 cylinder is fully charged, tested, and ready for  
activation, with its safety clip in place.  
NOTE: If required, the life preserver oral inflation valve is  
located on the left front cover of the life preserver.  
4. Loosen the waist belt by feeding all excess webbing back into the waist  
belt adjuster, as shown in Figure 5a.  
5.Tighten the waist belt adjuster by pulling the excess webbing of the belt.  
Figure 4:  
Packing the  
MD1127  
Inflatable Cell  
5. Place the life preserver face down as in Figure 6a.  
6. Fold the bottom ends of the life preserver up and away from packer;  
Figure 6b.  
a) The MD1127 with its cell deflated and ready for packing  
7
8
 
Figure 5: Fit Adjustment of the Waist Belt  
7. Fold the top of the life preserver towards the packer, over the folded  
ends; Figure 6c.  
8. Slide life preserver in this position into package bag as shown in  
Figure 6d.  
9. Close Velcro® patch.  
a) To loosen waist belt, pull excess belt in the direction shown above.  
D. Laundering Procedures  
Do not dry clean. Do not use chlorine bleach. Do not iron. Do not  
dry in front of a radiator or other source of direct heat. Do not  
store in a wet condition.  
b) To tighten the waist belt, pull excess belt as shown above.  
To launder your inflatable:  
1. Remove the CO2 gas cylinder.  
2. Hand wash or sponge down the fabric in warm soapy water, then rinse  
with clean water. If machine washing use the gentle cycle with a mild  
detergent or soap.  
Figure 6: Packing Procedures  
3. Hang to dry in a well-ventilated area, which is free from direct sunlight.  
A plastic coat hanger would be preferable to clothes line clips, so that the  
life preserver material is not wrinkled or damaged when wet. Do not  
tumble dry.  
4. To avoid premature aging of the nylon buoyancy cell and stitching, the life  
preserver should not be hung in direct sunlight for extended periods of  
time. To avoid mildew hang dry the life preserver after every use, and be  
sure not to roll up the product or stow it away while damp.  
a)  
b)  
5. Be sure to replace the CO2 gas cylinder, if necessary, and check that the  
lever on the inflator is in the up or “ready” position with the safety clip in  
place. Remember to be following the instructions and observing the  
cautions given previously.  
6. When dry, store the life preserver unfolded, or on a coat hanger in a dry,  
cool, airy environment.  
c)  
d)  
9
10  
 
Figure 7: The Inflator  
A. Component Testing  
Used  
New  
1. Inflatable Cell Test  
The inflatable cell can be inflated by the oral inflation valve or the CO2  
inflation valve. The inflatable cell is to be tested by the following method:  
a. Inflate the cell slowly; the cell shall fully inflate so that it opens the cover  
and becomes rigid. Leave the cell fully inflated for a period of 6 hours. At  
the end of the 6 hours the cell shall still feel hard to the touch and maintain  
its general rigidity.  
CO2 Gas  
Cylinder  
b. Submerge the inflated cell in water and check all seams and all cell  
material for bubbles. If bubbles are detected the cell must be replaced.  
Lever “ready” position  
Safety clip  
Inflator  
Mechanism  
NOTE: Do not attempt to repair any portions of the inflation cell,  
all inflation cells failing the Inflatable Cell Test must be  
returned to the Mustang Dealer where the life preserver  
was purchased.  
Lever “fired”  
position  
Pull cord  
c. If no leaks are detected from the inflation cell, check for leaking valves  
as detailed in the CO2 and Oral Inflation Valve Tests listed below.  
d. Upon completion of these tests, if any of the minimum requirements  
have not been conformed to, the life preserver shall be returned to your  
Mustang Dealer.  
2. Oral Inflation Valve Test  
The oral inflation valve shall be tested for leaks with the appropriate  
inflatable cell inflated to a pressure of 2 psi. The procedure is as follows:  
a. Place a small amount of soap and water solution to the valve stem  
opening, using care to prevent the entry of water into the valve. Leakage  
will be indicated by the bubbling of the soap solution.  
MAINTENANCE, INSPECTION  
AND TESTING PROCEDURES  
Your life preserver should be inspected and tested annually to maintain all compo-  
nents of the life preserver, and its associated equipment in a serviceable condition,  
and to ensure that the inflatable cell will withstand the specified pressure. For life  
preserver that are in use, a more frequent interval is required. Full inspections are  
to be performed only by authorized service technicians, but you may perform the  
following tests, prior to using the life preserver and on a regular basis thereafter,  
to ensure minimum safety precautions are met.  
b. Lower the pressure in the inflatable cell and blow by mouth through the  
oral inflator valve by pushing the valve inwards to open the air passage.  
The effort required to inflate the chamber shall not be excessive, and it  
must close tightly when blowing has ceased.  
c. The valve shall be considered damaged if it fails either test and the life  
preserver must be returned to your Mustang Dealer for servicing.  
11  
12  
 
3. CO2 Inflation Valve Test  
d. Insert the CO2 gas cylinder, small end down, and screw into the  
threaded hole on the inflator.  
To test the CO2 inflation valve, operate the manual lever several times.  
Ensure the lever moves fully and that the piercing pin travels far enough to  
puncture sealing disk. Visually check to see that the piercing pin is in place,  
and protrudes sufficiently. Ensure the piercing pin is erect, and does not bend  
to one side.  
e. Fold the collar and fasten the Velcro® tabs.(See figure 4: Folding  
Procedures)  
Make sure that the pull cord with its pull knob is hanging freely  
below the inflator and that the red caution flag is not visible.  
B.  
Inspection Procedures  
6. Check the Sea Light system expiry date, if the system has expired remove  
it from the suit, and follow the instructions in line (g) below, otherwise  
proceed as follows. Check:  
1.Unpack the life preserver and lay it flat on a clean, dry, smooth surface.  
2.Visually examine the life preserver for signs of damage or missing  
components. Visually inspect for the following:  
a. punctures, abrasions, or holes to the protective collar or the  
inflatable cell;  
b. broken or missing fasteners and hardware;  
c. loose, damaged, or missing thread;  
a. the light dome for cracks,  
b. the battery pack casing for cracks and damage,  
c. the power cord and plug for damage and corrosion,  
d. the cell for deterioration, i.e. swelling  
e. the operation of the circuit and bulb, by applying 1.5 volts across the  
leads. The bulb should light under these conditions; if it does not light  
renew the bulb or the entire unit.  
d. corrosion to metal fittings;  
e. condition of the CO2 pull cord  
f. the fitting of the rescue light. If the existing rescue light is to be replaced  
follow these procedures for fitting the new light:  
3.Test the mechanical and/or the oral inflator mechanism, where applicable,  
by performing the CO2 Inflation Mechanism Test and/or the Oral Inflation  
Valve Test.  
i) Remove the existing light, and remove the Velcro® patch from  
the back surface of the bulb.  
ii) Test the new circuit and bulb by procedure (f) above.  
iii) Adhere the Velcro® patch to the new bulb using contact cement.  
iv) Ensure plugs are secure in battery.  
4.Perform the Inflatable Cell Test.  
v) Wrap the extra lead around the battery, and push the battery into  
the left side pocket of the life preserver  
5.Check the inflator before use. As a safety precaution it is recommended  
that you check that the inflator is complete, armed, and ready for use. To  
do this, follow these simple instructions:  
a. Open the front flap on the right front cover on the MD1127, to expose  
the inflator.  
b. Unscrew and remove the CO2 gas cylinder from the inflator and inspect  
the small end of the CO2 gas cylinder. If the end is pierced, the CO2 gas  
cylinder is empty and must be replaced (see Figure 7).  
c. Make sure the lever on the inflator is in the up or “ready” mode with the  
red safety indicator clip in position. If the lever is in the down or “fired”  
position, it must be reset into the “ready” position and the red safety clip  
installed before inserting the CO2 gas cylinder.  
7. Inspect the Whistle:  
a. for cracks or signs of wear or damage to the casing  
b. Check the operation of the whistle by blowing the whistle several times,  
the sound should be clear and not muffled.  
c. If either the whistle shows signs of damage, or the sound is  
unsatisfactory the whistle is to be replaced, and a new whistle tested.  
8. To obtain the maximum benefit from your life preserver it is recommended  
that you become familiar with its flotation characteristics. (See Figure 8) Test  
it by standing in water chin deep and inflating the buoyancy cell. Lift your  
feet off the bottom and note how you float in various positions and water  
conditions. Preferably practice this a number of times wearing different types  
of bulky and lightweight clothing until you have absolute confidence in your  
life preservers performance.  
CAUTION: Moving the lever into the up or “ready” position after  
the CO2 gas cylinder is in place will cause the CO2 cylinder to  
discharge into the buoyancy cell.  
13  
14  
 
C. Repairs  
All repairs shall be conducted only by fully qualified, authorized technicians.  
Do not attempt to repair or replace any item or part of your life preserver.  
Return all damaged life preserver for repair to the Mustang Dealer where the  
item was purchased.  
D. Warranty Registration  
Your Mustang inflatable has been manufactured from the finest of materials  
under strict quality control. It is warranted against defects in materials and  
workmanship to the original owner for a period of one year when purchased  
from an authorized Mustang dealer.  
Mustang makes no warranty of fitness for a particular purpose and no other  
representations or warranties of any kind, expressed or implied, with respect  
to this product.  
To allow us to process your requests, please return your Mustang inflatable to  
an authorized Mustang Dealer with your name, address and a description of  
the nature and circumstances of the problem encountered.  
Figure 8: Testing Flotation Characteristics  
15  
 
WE SAVE LIVES FOR A LIVING  
MUSTANG SURVIVAL CORP.  
Telephone: 1-800-526-0532  
PA3007 (Rev05Mar2012)  
 

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