Survival Egress Air (SEA) User`s Manual LV2 MK
Contents
1. 17 Pre Issue Checklist cccccccceeceeeeeeeeeeseneseeeseneeeeeees 19 Pre Post Flight INSpection s sssmmamamananzmanuna 21 Care amp Maintenance cccccecceseeceeeeneeeneeeeeeeesenesenes 22 Inspection amp Service nnnnrnnnnnnnnannna manna 24 Technical Specifications nnonnnnnnnnnnas 25 First Stage Exploded Parts Schematic 26 MK Second Stage Exploded Parts Schematic 27 LV2 Second Stage Exploded Parts Schematic 28 4 SEA USER S MANUAL Product Description The SEA MK and SEA LV2 consist of the basic SEA first stage and cylinder assembly The products differ in second stage configurations and color of first stage components as listed below SEA MK e SEA Piston First Stage with integral fill port and choice of pin or dial indicator gauge Some bright chrome components used on the hose and swivel assemblies e Standard Y I D Low Pressure Hose in 20 and 27 inch lengths Bright Chrome fittings e Military Black MK Second Stage Assembly SEA LV2 e SEA Piston First Stage with integral fill port and choice of pin or dial indicator gauge All Black Chrome components utilized on first and second stage components for low reflective signature Burst Plug is Chrome Flexible 3 16 I D Low Profile Low Pressure Hose in 20 and 27 inch lengths Black Chrome fittings for low reflective s2. 108414 Part numbers in BOLD ITALICS indicate standard overhaul replacement part Description Overhaul Parts Kit MK Second Stage Assy Spare MK Second StageAssy Spare USCG CBP O ring O ring Purge Cover Cover Support Ring Thrust Washer Diaphragm Locknut Lever Washer Valve Body Poppet Bearing Spring Poppet LP Seat Inlet Fitting Box Bottom Black Clamp Exhaust Valve Exhaust Cover Mouthpiece Mouthpiece Cover SEA Hose Assy MK 20 Black Hose Assy MK 27 Black USCG Hard Cover replaces key 40 8 41 28 SEA USER S MANUAL E 3 Z LV2 Second Stage 45 3 in lbs 5 0 3Nm Key Bart H Description Weg 108402 LV2 Second Stage Assy Complete 108344 Overhaul Parts Kit 14 820015 O ring 16 820010 O ring 43 100181 Diaphragm 44 102510 Locknut 45 100923 Lever 46 104129 Washer 47 100945 Valve Body 48 104134 Poppet Bearing 49 104127 Spring 50 104122 Poppet 51 106738 LP Seat 52 108438 Inlet Fitting Black 59 100652 Front Cover 60 100119 Retaining Ring 61 100104 Purge Cover 63 108374 Box Bottom 55 104913 Clamp 64 100122 Exhaust Valve 65 108371 Exhaust Cover 66 108373 Mouthpiece LV2 n s 108391 Hose Assy LV2 20 Black N S 108392 Hose Assy LV2 27 Black N S 108453 Mout
3. checkout procedures are identical for the SEA MK and LV2 regardless of which second stage is used 1 Carefully inspect the low pressure hose to ensure it is securely con nected into its respective port on the first stage and onto the second stage Inspect the length of the hose to ensure that it is not blistered cut or otherwise damaged Inspect the hose fittings for any signs of corrosion 2 Visually inspect the entire system for any external damage such as dents gouges or severe external corrosion 3 While the SEA valve is completely shut and the system is depressur ized inspect the pressure indicator assembly to ensure that it is secure ly fastened to the first stage Closely examine the pressure indicator to ensure that it reads zero CAUTION If the pressure indicator does not read zero when the valve is shut and the system is depressurized DO NOT attempt to use the system until it has received inspection and service from a qualified technician NOTE Part Number 108382 and 108485 do not have an on off valve therefore the pressure indicator gauge and second stage are always active when the cylinder is pressur ized CAUTION DO NOT attempt to open the SEA valve without first checking to ensure that the LP hose and pressure indicator assembly are securely fastened to the first stage 4 Turn the SEA valve handwheel counterclockwise until it is completely open In the open position the red indicator ring is not vi
4. it to a qualified technician for inspection and possible hydrostatic testing The SEA is designated compatible for use only with normal atmospheric compressed air 21 oxygen and 79 nitrogen by volume DO NOT at tempt to fill with other gases including pure oxygen or air which has been enriched with oxygen exceeding 21 in content Failure to observe this warning may result in serious injury or death due to fire and explosion or the serious deterioration and failure of the equipment DO NOT apply any type of petroleum based lubricant such as household oil or motor oil to any part of the SEA The SEA does not require any lubri cation under normal circumstances except that which is performed during annual inspection and service by a factory trained service technician DO NOT apply any type of aerosol spray to the SEA Doing so may cause permanent damage to certain plastic components including the second stage housing During training exercises it is important to ensure that the SEA is always pressurized whenever it is submerged in order to prevent the entrance of water into the system Whenever the system has been completely emptied of air underwater it is important to return the SEA as soon as possible to a qualified technician for visual inspection and any necessary service before attempting to refill it It is important to fill the SEA only with dry filtered air with a water vapor content that does not exceed 65 F 53 C d
5. pre issue inspection of the second stage purge while it is connected to the supply cylinder as follows a Depress the purge button to ensure that sufficient airflow is provided to clear the second stage of water b Immediately after releasing the purge button listen closely to en sure that the second stage does not continue to flow any air 10 While holding the first stage and fill adapter secure turn the SEA valve handwheel clockwise until it stops and the red indicator is visible Turn the handwheel of the supply cylinder valve clockwise until shut 11 Hold the second stage purge button depressed until airflow can no longer be heard from the second stage and the LP hose between the first and second stages is completely depressurized N A to PN 108382 amp 108545 12 Open the pressure relief screw on the fill adapter to relieve the line pressure 13 While supporting the SEA cylinder with one hand turn the yoke screw of the fill adapter counterclockwise to loosen until the complete system can be lifted off and removed from the supply cylinder valve 14 While holding the SEA secure turn the fill adapter counterclock wise at the fitting to loosen and remove from the first stage Replace the dust cap over the inlet fitting and tighten the yoke screw finger tight 15 Thread the fill port plug into the fill port until finger tight 12 SEA USER S MANUAL lar gt GE E Filling the SEA With Compressor Fill Adapter Ce NOTE The Comp
6. ring is not visible on position Red indicator not visible 8 Slowly open the MRS III panel mounted Fill Valve counterclock wise that corresponds to the Fill Hose being used 9 Slowly fill the SEA at a rate not to exceed 500 psi per minute to the maximum of 3000 psi Make sure the pressure indicator pin or dial shows that the cylinder is filling properly NOTE The SEA will fill with the valve handwheel in the com pletely closed position red indicator ring visible In this posi tion the pressure indicator pin or dial will not register psi This is not recommended NOTE Ifthe SEA cylinder becomes excessively warm to the touch while filling allow additional filling time for the unit to cool before removing the SEA unit 16 SEA USER S MANUAL 10 To conserve the limited air supply of the SEA it is strongly recom mended that you perform the following preflight inspection of the second stage purge while the SEA is connected to the MRS III fill hose connector and pressurized via the MRS III a Briefly depress the purge button to ensure that sufficient airflow is provided to clear the second stage b Immediately after releasing the purge button listen closely to ensure that the second stage does not continue to allow any air flow 11 When the SEA has cooled and is full turn the SEA valve handwheel clockwise until it stops and the red indicator is visible Close the MRS III panel mounted fill
7. AguaZ gt LuNG Survival Egress Air SEA User s Manual Rev E 02 09 2 SEA USER S MANUAL COPYRIGHT NOTICE This owner s manual is copyrighted all rights reserved It may not in whole or in part be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form with out prior consent in writing from Agua Lung America Inc 2009 Aqua Lung International SEA Owner s Manual P N 108349 TRADEMARK NOTICE Aqua Lung is a registered trademark of Aqua Lung America Inc Warnings Cautions and Notes Pay special attention to information provided A A WARNING indicates a procedure or situation that if not avoided could result in serious injury or death to the user d A CAUTION indicates any situation or technigue that could cause damage to the product and could subsequently result in injury to the user CS A NOTE is used to emphasize important points tips and reminders SEA USER S MANUAL 3 LI ts eessen E Contents Product DescriptioN sssummanumzanunzanzananaazanzanaa 4 General Precautions 8 Warnings c cscssseeseeeees 5 Preparation and Setu cccccceceeceseeeeeeeneseneseneeeeees 6 Filling Procedures Genera 6 Filling the SEA From a SCUBA Coylinder 8 Filling the SEA From aCGompressor 12 Filling the SEA With the MRS III Mobile Refill Station 14 Adjusting the LV2 Mouthpiece Position
8. T 108304 Retaining Nut Black DO 108302 Cap protector gece 108314 Retaining Nut Silver NLA 30 108303 Piston cap 8 108329 Washer Handwheel 31 820062 O ring 9 108316 Spring Handwheel isad 106769 Piston 10 108313 Handwheel 33 820007 O ring 11 108326 Washer 34 106726 HP Seat 12 108317 On off indicator ring Deedes 106771 Spring 13 108318 Bonnet JG 108312 First stage body 14 820015 O ring 37 820316 O ring 15 828009 Backup ring 38a 079105 Cylinder 1 5 cu ft 16 820010 O ring 38b 079120 Cylinder 2 0 cu ft SNEEN Je Soe 38C 079125 Cylinder 2 5 cu ft 1 Weg SR 39 108369 Plug Blank 5 8 Black 20 108322 Valve seat 21 108307 Fill port plug Part numbers in BOLD ITALICS indicate standard overhaul replacement part SEA USER S MANUAL 27 MK Second Stage Exploded Parts 45 A 44 E Ap Key Part Geen 108344 108315 Genen 108468 14 820015 16 820010 40 100904 41 100906 42 100909 43 100181 44 102510 45 100923 46 104129 47 100945 48 104134 49 104127 50 104122 51 106738 52 108338 54 100905 55 104913 56 100922 57 100907 58 105831 Parts Not Shown n S 100653 n S 102835 n s 100625 n s
9. at these pre issue inspection reguirements have all been met the SEA is now ready for use SEA USER S MANUAL 21 LJ 1 Loo EH Pre Flight Inspection The pre flight inspection shall be performed on the SEA prior to each flight by the air crew member to whom the unitis assigned Pre flight procedures are as follows WARNING Strict compliance of pre flight and post flight inspections shall be adhered to by all air crew members utilizing the SEA Any signs of discrepancies shall be reported immediately to maintenance personnel 1 With the system off visually inspect the SEA for signs of damage Inspect front cover exhaust cover and fittings for tightness Inspect for tamper dot if command uses tamper dot on front cover Inspect hose for cuts and blistering Inspect for contamination dirt and signs of corrosion CAUTION Do not press the purge button when the SEA is on Purging of the SEA will deplete the pressure below the GREEN ZONE and it will have to be topped off by mainte nance personnel 2 Turn the SEA ON by rotating the on off knob to the left counter clockwise the red indicator ring shall not be seen through the elon gated holes on the knob Ensure that the gauge reads in the GREEN ZONE Ifthe gauge does not read in the GREEN ZONE report discrepancy to maintenance personnel Post Flight Inspection 1 Upon completion of flight turn handwheel off clockwise so that red indicator ring is visi
10. ble through the elongated holes on the handwheel Depress the purge button to relieve pressure in hose and second stage Check SEA for signs of damage and contamination Report discrepan cies to maintenance personnel 22 SEA USER S MANUAL Care 8 Maintenance Itis important to provide the proper preventative maintenance in order to ensure the best possible performance and reliability of the SEA The follow ing maintenance procedures should be performed routinely after each use of the eguipment 1 After each in water training session the SEA must be cleaned inspected prepared for the next use or for storage 2 As soon as possible after training the SEA should be soaked thoroughly for at least one hour in warm not over 120 F 49 C tap water to loosen and dissolve salt if used in salt water and mineral deposits Before soak ing remove protective rubber cover and turn the valve to the ON position to pressurize the system This will best prevent the entrance of moisture into the system through the second stage CAUTION If the SEA cylinder does not contain air it is im portant to ensure that the valve is completely turned to the OFF position and the second stage purge button is not depressed while the system is submerged or wet Moisture may otherwise be allowed to enter the valves and the cylinder which will require that the system be returned to a qualified technician for inspection and service 3 Af
11. e SEA With the MRS III Mobile Refill Station The MRS lil is a self contained Mobile Refill Station with an onboard supply of approved breathing air pressurized up to 4500 psi The MRS III is designed to fill up to two 2 Agua Lung SEA Survival Egress Air units simultane ously to the operating pressure of 3000 psi The following instructions are the same for filling one unit or two Refer to the MRS III instruction book for more detailed instructions 1 Verify that both panel mounted Fill Valves on the MRS III are closed clockwise 2 Open the Valves on the MRS lil Supply Cylinders and verify that the SUPPLY Pressure Gauge on the panel reads between 3000 and 4500 psi 3 Verify that the REGULATED Pressure Gauge on the MRS III panel reads 3000 psi SEA USER S MANUAL 15 4 Unscrew the Fill Hose Connector from its mounting point and install the Fill Port Plug in its place for safekeeping pending re installation Inspect the Fill Hose Connector to ensure that the o ring is present and seated evenly inside its groove and the male fitting is clean and free of any damage to its threads 5 Place the SEA in the blast tube 6 Install the MRS III Fill Hose Connector into the SEA Fill Port by rotating the knob clockwise until the o ring is fully seated DO NOT USE A WRENCH OR PLIERS TO TIGHTEN 7 Turn the SEA valve handwheel counter clockwise until it is completely open When the handwheel is in the open position the red indicator
12. e the regulated pres sure exceeds 3 000 PSI 206 BAR Doing so may weaken and damage the safety burst plug assembly and or SEA cylinder 5 While holding the first stage and fill adapter secure turn the SEA valve handwheel coun terclockwise until it is completely open When the handwheel is in the open position the red indicator ring is not visible position Red indicator not visible 6 Ensure that the SEA is supported and turn the compressor valve very slowly until it is slightly open to fill the cylinder with approximately 500 PSI 34 5 BAR Turn the fill valve shut and wait 45 60 seconds before proceeding to fill the cylinder any further Repeat this procedure to fill the cylinder very slowly in small increments of 500 PSI 34 5 BAR or less until it is filled to exactly 3 000 PSI 206 BAR Ee NOTE The SEA will fill with the valve handwheel in the completely closed position red indicator ring visible In this position the pressure indicator pin or dial will not register psi This is not recommended CS NOTE Always fill the SEA as slowly as possible by turning the handwheel of the supply valve slowly to control the rate of fill Rapid filling will generate heat and will result in an incom plete fill after the cylinder cools Ifthe cylinder is warm to the touch afterward the fill rate was too rapid 14 SEA USER S MANUAL 7 To conserve the limited air supply of the SEA it is strongly recom mend
13. ed that you perform the following pre issue inspection of the second stage purge while the SEA is connected to the compressor fill yoke and pressurized via the compressor fill adapter a Briefly depress the purge button to ensure that sufficient airflow is provided to clear the second stage b Immediately after releasing the purge button listen closely to en sure that the second stage does not continue to flow any air 8 While holding the first stage and fill adapter secure turn the SEA valve handwheel clockwise until it stops and the red indicator is visible Turn the compressor fill valve completely closed 9 Hold the second stage purge button depressed until airflow can no longer be heard from the second stage and the LP hose is depressurized N A to PN 108382 8 PN 108545 10 Open the pressure relief screw on the compressor fill yoke to relieve the line pressure 11 While holding the SEA cylinder supported turn the yoke screw of the compressor fill yoke counterclockwise to loosen until the compressor fill yoke can be removed from the block of the fill adapter Return the com pressor fill yoke to its storage location 12 While holding the SEA secure turn the fill adapter block counter clockwise at the fitting to loosen and remove from the first stage 13 Thread the fill port plug back into the fill port until fingertight 14 When changing is complete remove and store the compressor adapter in a clean area Filling th
14. ent Identification p 6 SEA USER S MANUAL 9 1 Using a calibrated pressure gauge check the supply cylinder to ensure that it contains at least 2 700 PSI 186 BAR and less than 3 100 PSI 214 BAR It is very important to ensure that the SEA is filled to its total capacity but not overfilled 2 Remove the protector cap from the threaded nozzle of the fill adapt er Inspect the nozzle to ensure the o ring is present and seated evenly at the base of the threads 3 Mate the threaded nozzle of the fill adapt er into the open fill port and turn clockwise by hand until snug DO NOT apply a wrench or otherwise overtighten the fill adapter into the first stage 4 Loosen the fill adapter yoke screw as needed so that the dust cap can be removed from the inlet fitting and the yoke can be placed over the valve of the supply cylinder 5 While supporting the SEA with one hand place the yoke of the fill adapter over the cylinder valve to align the inlet fit ting flush against the valve o ring Tighten the fill adapter yoke screw clockwise into the small dimple on the backside of the cylinder valve only until finger snug 10 SEA USER S MANUAL WARNING DO NOT attempt to fill the SEA from a supply cylinder which contains more than 3 100 PSI 214 BAR Doing so may weaken and damage the safety burst plug assembly and or SEA cylinder NOTE Part Numbers 108382 8 108545 do not have an on off valve therefore t
15. ewpoint Excess water vapor in the air can cause ice to form inside the SEA and interfere with the operation of the system at colder temperatures 6 SEA USER S MANUAL Component Identification First Stage wi Integrated Valve LV2 Second Stage SCUBA Fill Adapter fa MK Second Stage Cylinder Preparation and Setup The purpose of this manual is to familiarize you with the correct setup filling inspection and maintenance of the SEA The SEA is packaged fully assembled and ready to use after it has been filled with air Before using it however itis very important to carefully read and understand the procedures outlined in this manual for filling the unit and performing a preflight inspection General Filling Procedures CS NOTE The average duration of air supply listed on page 25 of this manual is based on a completely full SEA cylinder filled to 3 000 PSI 206 BAR with a volume of 2 0 cubic ft 42 5 liters of air It is strongly recommended that the SEA be filled to 3 000 PSI 206 BAR cold fill in order to provide maximum breath volume 1 Before attempting to fill the SEA ensure that the fill adapter and first stage are completely dry especially in the area surrounding the high pressure port SEA USER S MANUAL 7 2 Examine the cylinder mark ings to verify that it is rated for a fill pressure of 3 000 PSI 206 BAR Serial No Month 8 Year of Manufacture WARNING DO NOT attempt t
16. ge The mouthpiece boss on the body is hexago nally shaped which allows the mouthpiece to rotate to six different positions Hexagonal Mouthpiece Boss xagonal shaped mouthpiece and jouthpiece boss allows for multiple positions WARNING The mouthpiece clamp 16 must always be installed before returning regulator to service Failure to install the clamp could result in mouthpiece separating from regulator body during deployment of regulator 18 SEA USER S MANUAL E A A kr Changing Position of mouthpiece 1 Mount SEA bottle in user preferred position 2 Using side cutters remove the mouthpiece clamp 16 and discard 3 Rotate mouthpiece to preferred position 4 Install a new mouthpiece clamp 16 with the clamp tab positioned in line with the center of the right bite tab on the mouthpiece Since the LV2 mouthpiece is of a lower profile design than standard Scuba style mouthpieces the clamp tab should be orientated in this man ner so that clamp tab does not interfere with the users lips SEA USER S MANUAL 19 Pre Issue Checklist Before each use the unit must be given a thorough visual inspection and functional test by a gualified technician NEVER use an SEA which shows signs of damage leakage or substandard performance until it has received inspection and service from a gualified technician ce NOTE Pre Issue
17. he pressure indicator gauge and second stage are always active when the cylinder is pressurized 6 While holding the first stage and fill adapter secure turn the valve handwheel counterclockwise until it is completely open When the handwheel is in the open position the red indicator ring is not visible on position Red indicator not visible 7 Support the cylinder with one hand and slowly turn the supply cylinder valve handwheel counterclockwise to open and begin filling As the SEA cylinder begins to fill make sure the pressure indicator pin or dial shows that the cylinder is filling properly NOTE The SEA may be filled with the valve handwheel in the completely closed position red indicator ring visible In this position the pressure indicator pin or dial will not regis ter psi This is not recommended NOTE Always fill the cylinder as slowly as possible by turn ing the handwheel of the supply valve slowly to control the rate of fill Rapid filling will generate heat and will result in an incomplete fill after the cylinder cools If the cylinder is warm to the touch afterward the fill rate was too rapid SEA USER S MANUAL 11 8 When atleast two minutes have elapsed and air can no longer be heard flowing from the supply cylinder into the SEA turn the supply cylinder valve completely open 9 To conserve the limited air supply of the SEA it is strongly recom mended that you perform a
18. hpiece Cover LV2 PU Part numbers in BOLD ITALICS indicate standard overhaul replacement part SEA USER S MANUAL 29 NOTES 30 SEA USER S MANUAL NOTES SEA USER S MANUAL 31 NOTES Survival Egress Air SEA User s Manual AQUAG gt LUNG 2340 Cousteau Court Vista CA 92081 Phone 760 597 5000 Fax 760 597 4900 www aqualung com military 2009 Aqua Lung International PN 108349 Rev E 02 09
19. ignature e Ergonomic Low Volume Second Stage with indexable mouthpiece allowing for variable regulator orientation without use of complex swivel devices SEA USER S MANUAL 5 General Precautions 8 Warnings gt SE E gt gt gt gt gt E The SEA is intended for use only as an emergency device to assist a crewmember or passenger in making an emergency egress from a submerged aircraft Due to its limited air volume it is not intended for use while scuba diving or egressing from depths greater than 45 ft 13 5 m Before using the SEA it is important to receive in water survival train ing which simulates an emergency egress situation You must also learn basic principals and techniques for breathing compressed air underwater Use of the SEA without proper training is dangerous and can result in serious injury or death Visual inspection and factory prescribed service for the SEA must be performed at least once every two years by a factory trained and guali fied service technician Repair service and visual inspection must not be attempted by untrained or unqualified personnel DO NOT attempt to overfill the SEA beyond 3 000 PSI 206 BAR at 70 F 21 C Doing so may seriously weaken the cylinder and cause it to rupture resulting in serious injury or death DO NOT fill or use the SEA if it has been exposed to extreme heat exceeding 250 F 121 C or open flame Instead discharge the cylinder completely and return
20. is used in 3 Ifthe SEA is used for training purposes in saltwater chlorinated or silted fresh water it will require complete overhaul and factory prescribed service every three to six months or whenever it is suspected that mois ture has entered the system Use in chlorinated swimming pool water will accelerate the deterioration of most rubber components and reguire more freguent service than in other typical conditions 4 DO NOT attempt to perform any disassembly or service of your SEA Doing so may cause the system to dangerously malfunction All service must be performed by a qualified technician WARNING Do not attempt to loosen or remove the first stage hose fitting or safety burst plug under any circum stances Doing so could result in a dangerous malfunction of the SEA which could result in serious injury or death OBTAIN FACTORY PRESCRIBED SERVICE FOR YOUR SEA AT LEAST ONCE EVERY TWO YEARS YOUR PERSONAL SAFETY AND THE MECHANICAL INTEGRITY OF YOUR SEA DEPEND ON IT SEA USER S MANUAL 25 Technical Specifications Pressure Gauge Pin type integrated with First Stage or dial gauge Over Pressure Relief Safety Burst Disc Assembly First Stage Mounted System Weight Approximately 2 5 lbs 1 36 kg Buoyancy Full Approximately 2 0 lbs 9 kg Duration of Air Supply Approximately 21 breaths at 21 ft 6 4 m Based on pn 108330 SEA with 2 0 cu ft bottle Based on an average breath volume of 1 5 liters at a b
21. njury or death 7 Store the SEA completely dry in a clean equipment box or sealed inside a plastic bag When possible avoid storing it where it may be exposed to extreme heat or an electric motor which produces ozone Prolonged exposure to extreme heat ozone chlorine and ultraviolet rays can cause premature degradation of rubber parts and components and must be prevented 8 When transporting the SEA take the necessary precautions to en sure that it is surrounded by a protective cushion to prevent undue shock or impact 9 Do not use any type of solvent or petroleum based substances to clean or lubricate any part of the regulator Do not expose the regulator to aerosol spray as some aerosol propellants attack or degrade rubber and plastic 24 SEA USER S MANUAL Inspection amp Service 1 It cannot be assumed that the SEA is in good working order on the basis that it has received little use since it was last serviced Remember that prolonged or improper storage can still result in internal corrosion and or deterioration of o ring seals and valve springs 2 It is imperative that you obtain factory prescribed service for your SEAat leastonce every two years from a gualified technician including a visual inspection of the cylinder and complete overhaul of the first and second stage regulators Your SEA may require this service more frequently depending on the amount of use it receives and the environ mental conditions it
22. o fill the SEA if the cylinder markings indicate that it is assembled with a non stan dard cylinder rated for a different fill pressure than 3 000 PSI 206 BAR Doing so may result in rupture or explo sion in the event of fire or overfilling Instead immedi ately return the unit to a qualified technician and do not use under any circumstances 3 Turn the valve handwheel clock wise until it is completely closed To ensure the valve is closed check to see if the red indicator ring is visible in the handwheel off position Red indicator visible 4 Depress the second stage purge button to ensure that the system is completely depressurized 8 SEA USER S MANUAL 6 Closely inspect the port opening to ensure that no debris residue or moisture is present CAUTION If moisture is found to be present inside the port opening indicating that water may have entered the SEA first stage and cylinder DO NOT fill or attempt to use the SEA until it has received complete inspection and any required service by a qualified technician WARNING DO NOT attempt to loosen or remove the first stage hose fitting or safety burst plug under any circum stances Doing so could result in a dangerous malfunction of the SEA which could result in serious injury or death Filling the SEA From a SCUBA Cylinder NOTE The SEA system does not include a SCUBA fill adapter This adapter P N 108325 may be purchased separately refer to Compon
23. reath ing rate of 10 5 bpm with a starting supply pressure of 3 000 PSI 206 BAR 26 SEA USER S MANUAL S E A First Stage with Cylinder Assembly _ 29 1 we 2 60 Sin lbs 6 8 5 Nm E SL Le A A opp N 25 KEK 45 3 in lbs 5 0 3 Nm E 21 22 25 2ftlbs 97 90 3 in lbs 33 9 2 7 Nm WA On off valve assembly may be replaced with optional no on off plug part number 108369 see key 39 a Conversion Kit PN 108481 amp part number 820015 see key 14 NLA No Longer Available below 00 3inlb 3 in lbs Key Part Description Geen 108342 Overhaul Service Kit cide cone 108311 First Stage Spare Geen 108469 First Stage Spare USCG CBP Key Part Description 22 820319 O ring 1 108305 Port Plug Swivel Black 23 108308 Fill adapter port Steeg 108333 Port Plug Swivel Chrome 25 820304 O ring S Keesen EN a ld 26 108309 Check valve a z 27 742537 Pressure indicator Dial Black 4 108392 Hose Assy LV2 27 Black 27a 108346 Pressure indicator Pin 108391 Hose Assy LV2 20 Black 27b 108347 Body Pin indicator 100625 Hose Assy MK 27 Black 27c 820304 O ring 102835 Hose Assy MK 20 Black 27d 845034 Washer 5 108306 Spacer Black 27e 100688 Spring 108334 Spacer Chrome 27f 100613 Pin 6 054232 Burst plug 27g 100607 Retaining screw
24. ressor Fill Adapter P N 100656 is not included with SEA and must be purchased separately CAUTION Do not attempt to fill the SEA directly from a compressed air filling station unless you have received the necessary training and authorization to do so If done incorrectly this procedure poses certain hazards which may cause severe injury or death NOTE Part Numbers 108382 amp 108545 do not have an on off valve therefore the pressure indicator gauge and second stage are always active when the cylinder is pressurized 1 Inspect the fill adapter to ensure that the o ring is present and seated evenly inside its groove and the male fitting is clean and free of any dam age to its threads 2 Fitthe male fitting of the fill adapter into the high pressure fill port of the first stage and turn clockwise only by hand until lightly snug DO NOT apply a wrench or otherwise overtighten the fill adapter 3 Loosen the yoke screw of the compressor fill yoke as needed so that the yoke can be placed over the block of the fill adapter 4 While supporting the SEA with one hand place the yoke of the compressor fill yoke over the block of the fill adapter to align the inlet fit ting flush against the valve o ring Tighten the fill yoke screw clockwise into the small dimple on the backside of the fill adapter block only until finger snug SEA USER S MANUAL 13 WARNING DO NOT attempt to fill the SEA from a compressor or air supply wher
25. sible in the handwheel 20 SEA USER S MANUAL 5 Closely examine the pressure indicator dial to determine whether the needle is within the green zone indicating that the SEA cylinder is full PSI x 1000 AQUAGJLUNG 6 If equipped with a pin indicator the pin should be exposed If the pressure indicator does not indicate that the cylinder is completely full repeat the filling procedure using a supply cylinder that is filled to 3 000 PSI 206 BAR 7 Remove the protective rubber cap immerse the SEA in water to check for any signs of freeflow from the second stage or leakage from the hose pressure gauge safety disc assembly first stage or cylinder neck If leakage is found do not attempt to use the SEA until it has re ceived service from a qualified technician When complete remove the water from the SEA 1st 4 2nd stages and reinstall the rubber cap NOTE Ifthe second stage purge was checked during the filling procedure it is not necessary to repeat steps 7 8 8 8 Briefly depress the purge button to ensure that sufficient airflow is provided to clear the second stage of water N A to PN 108382 8 PN 108545 9 Immediately after releasing the purge button listen closely to ensure that the second stage does not continue to allow any air flow 10 Turn the valve handwheel clockwise until it is completely closed In the closed position the red indicator ring is visible in the handwheel Provided th
26. ter the system has been properly soaked it is important to rinse the first stage the second stage mouthpiece and the openings in the second stage front cover with a pressurized stream of water This will remove the salt and mineral deposits that were loosened during soaking 4 When it has been properly soaked and rinsed wipe the system as dry as possible with a clean towel and gently shake the first and second stage to dislodge any water inside them Reinstall the rubber cover 5 Check to ensure that the SEA valve is turned to the OFF position and depress the purge button of the second stage to ensure that the system is completely depressurized before storing or transporting 6 Due to the possibility of fire and exposure to extreme heat the SEA must be stored either completely full or completely empty If the sys tem is exposed to fire while partially filled the cylinder wall may rupture before the internal pressure becomes great enough to burst the safety relief disc For this reason Aqua Lung recommends that the cylinder be completely emptied and the valves kept shut to prevent the entrance of moisture before storing the system for an indefinite period SEA USER S MANUAL 23 WARNING DO NOT store the SEA partially filled Doing so may prevent the safety relief assembly from functioning properly in the event of fire or exposure to extreme heat This may cause the cylinder to rupture or explode possibly resulting in severe i
27. valve 12 Hold the second stage purge button depressed until airflow can no longer be heard from the second stage and the LP hose is depressurized 13 Open the bleeder valve knob on the MRS III fill hose connector and vent the pressure from the fill hose 14 Disconnect the MRS lII fill hose connector from the SEA by rotating the connector knob counterclockwise 15 Replace the fill port plug into the fill port of the SEA unit and hand tighten 16 When all filling operations are complete close the valves on the MRS III supply cylinders Firmly grasp one of the MRS III fill hose con nectors point in a safe direction and bleed any remaining pressure from the system by slowly opening the corresponding panel mounted fill valve for that hose 17 Close both panel mounted fill valves and both bleeder valve knobs on the MRS III 18 Attach the fill connectors to the provided mounting brackets close and securely latch the MRS III cover SEA USER S MANUAL 17 LI ts eessen Adjusting the LV2 Mouthpiece Position The LV2 second stage incorporates a unique feature that enables the user to adjust orientation of the second stage body in relation to the mouthpiece This feature keeps the LV2 hose closer to the body and al lows for more flexibility in various bottle mounting configurations The mouthpiece to body default position is hor izontal which allows hose to route either to the right or left of the LV2 Regulator second sta
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