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1. 9 Remove the handwheel washer 23 handwheel spring 22 handwheel 21 indicator ring 19 and washer 20 from the valve stem 12 All of these parts will be re used during assembly 13 Using a magnifier PN 9 BA819008 inspect the condition of the crown There should be no scratches nicks or dents on the crown sealing surface 42 PHODS Technical Manual 14 Insert the pins of the adjustable spanner wrench PN 107394 18 Hold the cylinder 26 secure using the bottle vise adapter into the two corresponding holes in the top of the piston cap 2 PN 100398 Unscrew the first stage body 8 from the cylinder Unscrew the piston cap from the first stage body 8 using a 1 3 16 crowfoot PN FC38A amp flex wrench PN 103045 CAUTION Ensure that the pins are seated and CAUTION Position the crowfoot wrench at the top of the AN secure External damage to cap may result if pins slip regulator body to prevent damage to the regulator ports out This will not affect regulator operation 19 Remove the fill port cap retaining wire from the cylinder 26 Remove and discard the o ring 27 from the first stage body 8 cylinder threads 15 Remove the spring 7 from the first stage body 8 20 Perform a visual inspection of the cylinder 26 according to Compressed Gas Association CGA standards These standards 16 Separate the piston 4 from the cap 2 Inspect the inside are fo
2. AQUAGYLUNG 5 3 Troubleshooting Table 5 2 lists the most common problems that can occur in the oxygen mask along with probable causes of malfunction and recommended corrective actions Table 5 2 Troubleshooting Item Problem Probable Causes 1 Leakage from facepiece Adjust mask straps per Para 4 4 Refit to a new mask size per Para 4 4 Leakage at microphone Loose stripped screws Tighten or replace screws microphone 3 4 sealing gasket nut i facepiece hardshell port 5 5 and 5 9 E Ess D exhalation valve sticks exhalation valve flapper difficult or impossible and 5 9 Torn or punctured Improper storage worn or Replace facepiece per Para 5 5 and rubber faceseal dropped mask 5 9 7 Cracked hardshell Improper storage worn or Replace hardshell assembly per Para dropped mask 5 5 and 5 9 8 Hardshell straps See Para 5 4 8 Valve assemblies not Dirt foreign object lodged Clean or replace valve functioning in valve damaged 10 PHODS Hose will not Connector worn Replace 90 PHODS elbow connector stay in mask connector pg 104 100 PHODS Technical Manual Pc FN FN Fc 1 5 4 Hardshell Repair None of the components are field repairable except for the hardshell assembly Removal and replacement of other components is determined by the inspection Ref Table 5 1 or troubleshooting Ref Table 5 2 guides 1 Repairing the hardshell assembly is limited to replacing the upper strap a
3. 109437 Table 5 List of Tools and Service Kits continued DESCRIPTION Flex VWrench 3 8 8 5 Precision Screwdriver 4 in 1 17mm Combination Wrench 13mm Combination Wrench Inspection Light Medium Blade Modified Screwdriver O ring Tool Set Brass 2 pcs O ring TOO emm SS Hook Seat Extraction Tool Adjustment Tool Torque Driver Torque Driver Socket Adapter G scht SS Ei 3 ffe APPLICATION Socket amp Crowfoot Handle PHODS Mask amp Shield PHODS Mask 6mm Elbow Inside Nut PHODS Mask 6mm Elbow Outside Nut Cylinder Inspection Handle Retaining Nut Removal Installation O ring Removal Installation O ring Hose Removal Installation HP Seat Removal Apply Installation Torque to OPC Outlet w 3mm Hex Socket Apply Installation Torque to OPC inlet w Torque Driver amp 3 8 Crowfoot 60 PHODS Technical Manual Table 5 List of Tools and Service Kits continued DESCRIPTION Pinch Clamp Pliers Mask Tool Magnifier w Illumination 9 BA819008 Christo Lube 824466 MCG 111 20z Tube 103049 Installation Tool MES Retainer APPLICATION Installation of Hose Clamps PHODS Mask Sealing Surface amp Crown Inspection Lubrication of O rings amp Parts Installation Tool for MFS 1 4 turn fastener washer 102990 Service Kit Regulator PHODS For Service of the PHODS Regulator OPC and Hoses BR Cutout PHODS Tool Kit PN 1
4. N Locking Screw j N a Screw E Figure 4 8 Downstop Locking Screws 88 PHODS Technical Manual 15 Referring to Figure 4 9 attach the MFS to the striker and latch the MFS into place as follows Position the pin on the MFS latch into the slot of the striker and flip the latch against the helmet shell Ensure that the latch is locked in place Figure 4 9 MFS Attachment to Helmet Ce NOTE The helmet can be donned or doffed while the MFS is attached to either side and swung open However if the ML 24 light from Seitz Scientific Industries Inc is attached to the MFS the MFS should be swung open from the right side as worn to avoid disconnecting the light The MFS can also be swung open while the helmet is worn allowing the crewmember to eat or drink If the helmet is stowed with the MFS attached the shield should be secured to the helmet on both sides 16 Swing the MFS to the closed position and fasten the latch in place as described in Step 15 17 Adjust the MFS position as follows 1 Lower the inner clear visor to the full down position 2 Push up or down on the MFS so that an even approximately 1 16 inch clearance exists between the inside surface of the visor and the top edge beading of the MFS where they overlap The bottom edge of the visor should align with the bottom edge of the edge beading on the MFS The MFS must not touch any part of the dual visor housing 3 With the MFS in this po
5. 01 063 5934 or equal Make two turns through the adjustment buckle Ref Figure 4 2 Tie the tacking thread with a surgeon s knot and secure with a locking knot NOTE The helmet can be donned or doffed while the MFS is attached to either side and swung open However if the ML 24 light from Seitz Scientific Industries Inc is attached to the MFS the MFS should be swung open from the right side as worn to avoid disconnecting the light The MFS can also be swung open while the helmet is worn allowing the crewmember to eat or drink If the helmet is stowed with the MFS attached the shield should be secured to the helmet on both sides Ce NOTE Prior to donning the helmet in Step 23 clean the inside of the helmet to remove all debris resulting from drilling Ce NOTE Trim the MFS with the edge beading left in place You will cut through the edge beading and the shield Trim no more than necessary to allow the night vision goggles to clear the MFS Ce NOTE Replace the abrasive band of the sanding drum on the rotary tool as necessary gt NOTE The helmet can be donned or doffed while the MFS is attached to either side and swung open However if the ML 24 light from Seitz Scientific Industries Inc is attached the MFS should be swung open from the right side as worn to avoid disconnecting the light The MFS can also be swung open while the helmet is worn allowing the crewmember to eat or drink If the helmet is stowed with
6. 3 75 Align with f 6 From the intersection of the two lines mark a spot 625 reference line drawn 3 4 up from bottom of helmet shell 5 8 away from the intersection horizontal line 7 Cut out the upper left corner on the vertical 0 5 line approximately 0 63 11 16 down from the top 0 75 1 5 Figure 56 54 PHODS Technical Manual 8 Align the 0 75 line on the template with the line drawn on the helmet See Fig 57 Figure 57 9 Align vertical edge of the template cut out with the dimple in the earcup See Fig 58 Figure 58 10 Tape template in place See Fig 59 j DEER Figure 59 AQUAGYLUNG 11 Drill holes start with a 1 16 inch as a pilot hole Be sure to back the hole with a piece of wood to prevent splintering See Figs 60 amp 61 12 Drill again with a 9 64 inch bit 13 Finish with a 3 16 inch bit Failure to follow the drilling instructions may result in irreversible damage to the helmet Fig 60 14 Remove template from helmet Remove all tape residue See Fig 62 15 Insert the provided screws from the exterior mounting the Cannula clip inside the helmet shell See Fig 63 16 If CEPS is installed on the helmet use adapter plate to route the wire clear from the cannula tube See Fig 64 56 PHODS Technical Manual TABLE 1 TROUBLESHOOTING General Checks WARNING If after consulting the Troublesho
7. A 5 AQUAGYLUNG BASIC SAFETY Pure oxygen is a highly oxidizing gas and can vigorously accelerate combustion It can provide a catalyst for spontaneous combustion resulting in personal injury or death if not used properly and with caution DO NOT use any type of oil or grease on any of the fittings valves or cylinders DO NOT smoke while in use DO NOT operate near an open flame General Precautions amp Warnings WARNING This device is classified as and is only suitable for use as a supplementary breathing apparatus SBA for aviation use up to 18 000 ft MSL It is intended to supply the needed amount of oxygen for persons during excursions at flight altitudes where supplemental oxygen is needed This device is not suitable for any type of medical operations This device is not suitable for SCBA Self Contained Breathing Apparatus or SCUBA Self Contained Underwater Breathing Apparatus operations WARNING When operating the PHODS around high power emitters such as friendly or threat systems PHODS may stop providing oxygen or may start pumping oxygen when not expected or required If the unit is not operational turning the OPC M1 power OFF then ON will be required An operational check must therefore be performed immediately prior to use at high altitudes WARNING Before using the PHODS it is important to receive hypoxia awareness and aeromedical training Use of the PHODS without proper training is dangerous and
8. Lubricate and install the backup ring Check to ensure no 16 with its concave side against the o ring 16 Eeer ee 15 Lubricate the threads of the bonnet 18 then pass the bonnet 18 over the valve stem 12 Thread the bonnet 18 into the body 8 Concave Side AQUA JLuNG 8 16 Attach a 3 4 medium deep well socket PN 103007 to an inch 20 Place the handwheel 21 over the indicator ring 19 by pounds torque wrench and tighten the bonnet 18 to 120 3 inch aligning the notches in the red indicator ring with the bars in the pounds 13 6 3 Nm Do not exceed 125 inch pounds 14 1 Nm backside of the handwheel Insert the spring 22 into the valve handwheel 21 followed by the small handwheel washer 23 over the top of the spring 22 17 Place the large nylon washer 20 over the valve stem 12 against the bonnet 18 21 Hand start the handwheel retaining nut 24 Using a modified medium flat bladed screwdriver PN 941586 screw the handwheel retaining nut 24 onto the end of the stem 12 until the retaining nut will not turn any further 18 With the rounded edge of the indicator ring 19 facing outward lightly thread the indicator ring onto the bonnet until it stops Do not tighten 19 When the indicator ring 19 stops turn it counterclockwise so the corners of the square shaft of the stem 12 point to the CAUTION Do not cross thread Any resistance felt
9. M1 should be worn on the left front chest cylinder should be worn on left kidney WARNING The OPC M1 LED is Night Vision Goggle NVG compatible and therefore difficult to see through the NVG The LED should be viewed with the unaided eye The OPC M1 should be mounted on the Survival Vest in a location that will allow direct viewing of the LED indicator light The LED should be periodically checked to ensure proper operation during flight at altitudes requiring supplemental oxygen 5 Turn the Regulator Valve Handwheel counterclockwise to open the valve ON position Verify there is no red showing in the Valve Handwheel window See Figs 20 amp 21 Figure 20 Figure 21 6 Verify your PHODS cylinder is fully charged Gauge is reading GREEN See Fig 22 Ce NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible PSI x 1000 Aqua LUNG SAGEN Figure 22 that the needle will only go just to the green or next to It This is acceptable provided the unit is charged on a calibrated system 24 PHODS Technical Manual Pc FN NN FN 4 7 Install the PHODS cylinder in the Survival Vest Cylinder Pocket 8 Install the OPC into the OPC pocket Route the 30 oxygen Input Hose from the OPC over the shoulder and insert the 90 degree Q D connector on the regulator until it clicks into place Ensure the Input Hose is secure on the shoulder It wi
10. Steps 9 11 to prevent eye injury Use the 2x4 block of wood as described in Steps 9 11 to prevent hand injury WARNING Wear eye protective goggles when drilling holes in Steps s and t to prevent eye injury Use the 2x4 block of wood as described in Steps s and t to prevent hand injury WARNING Wear eye protective goggles when trimming the MFS or chips of the MFS may injure the eyes Wear a respirator when trimming the MFS or harmful airborne particles may be inhaled fh WARNING When using the anti fogging solution described below avoid getting the liquid solution into the eyes Solution will irritate and may burn the eyes In case of eye contact flush with fresh water for 15 minutes Contact physician if irritation persists See package for other directions WARNING Disinfect oxygen mask after each use to avoid bacteriological contamination and to ensure maximum cleanliness d WARNING DO NOT use clothes washing detergents of any kind i e Tide Cheer or All for cleaning oxygen masks Isopropyl alcohol may be used only where and as specified in this document A WARNING Isopropyl alcohol is flammable Keep away from heat sparks and open flames Use with adequate ventilation Avoid eye and repeated skin contact Avoid prolonged breathing of vapors Keep container closed when not in use CAUTION When donning the flight equipment ensure all PHODS straps and hoses are properly secured to the Survival Vest to
11. a single wearer after the mask has been flown and a comfortable fit has been achieved cut the excess strap length leaving not less than one inch and not more than three inches Heat sear the cut ends to prevent unraveling The straps may be folded under if desired before tacking Tack with two turns of thread Tacking shall be of doubled waxed thread Specification V T 276 Type IV Size B ticket 8 4 NSN 8310 01 063 5934 or equal Make two turns through the adjustment buckle Ref Figure 4 2 Tie the tacking thread with a surgeon s knot and secure with a locking knot Adjustment End May Be Cut And Tacked To Looped Area With 2 Turns 8 4 Cord Doubled And Waxed Adjustment Strap Buckle Adjustment sait Strap End J anutacturer Hardshell Figure 4 2 Tacking Mask Adjustment Straps AQUAGYLUNG aie 4 5 Hardshell Trimming If hardshell trimming is required remove the material as follows Ref Figure 4 3 1 Mark the area of the hardshell requiring material removal Do not remove any more material then is necessary to achieve a proper fit In no case shall material be removed any closer than 6 4 mm 74 inch from the upper strap attachment slots or 9 5 mm inch from the valsalva ports 2 Remove the microphone assembly per paragraph 5 5 3 Remove the valves and 90 degree oxygen inlet fittings per paragraphs 5 5 Separate the facepiece from the hardshell 4 Using a suitable hand file carefully remove th
12. and the shield Trim no more than necessary to allow the night vision goggles to clear the MFS D Using a rotary cutting tool trim the shield along the marked trim line 7 Reattach the shield and lower the night vision goggles Ensure that the goggles clear the shield and are properly positioned over the eyes Ce NOTE Replace the abrasive band of the sanding drum on the rotary tool as necessary 4 7 2 Operation gt NOTE The helmet can be donned or doffed while the MFS is attached to either side and swung open However if the ML 24 light from Seitz Scientific Industries Inc is attached the MFS should be swung open from the right side as worn to avoid disconnecting the light The MFS can also be swung open while the helmet is worn allowing the crewmember to eat or drink If the helmet is Stowed with the MFS attached the shield should be secured to the helmet on both sides 4 7 3 Attaching MFS 1 Referring to Figure 4 13 position the pin on one side of the MFS into the slot of the striker and flip the latch against the helmet shell Ensure that the latch is locked in place 2 Repeat for the other side 3 Adjust the microphone boom as necessary so that it can be placed behind the MFS To do this loosen the knurled knob on the boom swivel move the boom forward or back until it can be placed under the recessed area of the MFS and tighten the knurled knob Recessed Space of MFS Figure 4 13 Securing MFS
13. chrome colored part Unless otherwise instructed the following terminology and tech niques are assumed 1 When instructed to remove unscrew or loosen a thread Scheduled Service ed part turn the part counterclockwise PHODS should be given the same care and maintenance as any life support equipment It is therefore important to perform scheduled overhaul service for the complete unit according to the procedures outlined in this manual on a regularly scheduled basis Visual 3 When instructed to remove an o ring use the pinch inspection and factory prescribed service must be performed at least method see illustration below if possible or use a brass or once every 12 18 months by a factory trained technician plastic o ring removal tool Avoid using hardened steel picks unless directed as they may damage the o ring sealing surface All o rings that are removed are discarded and replaced with brand new o rings 2 When instructed to install screw in or tighten a threaded part turn the part clockwise General Guidelines 4 The following acronyms are used throughout the manual 1 In order to correctly perform the procedures outlined in LP is Low Pressure IP is Intermediate Pressure and HP is this manual it is important to follow each step exactly in the High Pressure order given Read over the entire manual to become famil iar with all procedures before attempting to disassemble the product in this manual and to learn
14. helmet with or without the Maxillofacial Shield installed and also includes the snap adapters to connect the mask to the HGU 84 P helmet without the Maxillofacial Shield installed This provides versatility to aircrew members allowing them to specialize the system according to mission demands The system remains stable throughout the flight performance envelope of helicopters is easy to don and has quick disconnect features The mask assembly s quick release snaps and adjustable fasteners allow three unique configurations wherein the Maxillofacial Shield and oxygen mask can be used independently or together for maximum protection 1 3 Qualification Statement The maintenance of equipment as described in this manual shall be performed by experienced life support technicians in accordance with this document 1 4 Leading Particulars The leading particulars are provided in Table 1 1 1 5 Consumables A list of consumable materials is contained in Table 1 2 Equivalent consumables may be substituted for the items listed 72 PHODS Technical Manual Fc EN NN Fc 4 1 6 Unauthorized Hardware Modifications Customers are advised not to perform alterations or modifications to the mask or its subassembly components other than as described in this manual without prior approval of Aqua Lung America amp Gentex Corporation Unauthorized modifications will void any and all warranty claims with the PHODS 1 7 Abbreviations and Acronyms Abbre
15. in their PHODS cylinder WARNING PHODS oxygen cylinder may burst from impact of small arms fire resulting in overpressure shock shrapnel injury and or flash fire 8 PHODS Technical Manual WARNING The OPC M1 does not provide an indication of remaining battery life Ensure new batteries are installed in the PHODS during Pre flight A WARNING Failure to breathe properly through the nose while using the cannula may result in oxygen deprivation WARNING DO NOT modify or alter the length of any hoses or tubing This should only be done by a qualified technician using original manufacturer hose assemblies A WARNING Disinfect the PHODS Mask or Nasal Cannula amp Nose Piece after each use to avoid bacteriological contamination and for cleanliness Cleaning can be accomplished with isopropyl alcohol WARNING Oxygen should be delivered to the inlet port on the side of the mask with the inhalation valve to ensure proper dilution of the oxygen with the ambient air in the mask cavity WARNING DO NOT increase or decrease the length of the Nasal Cannula or the coiled hose The removable Nose Piece may be trimmed for comfort WARNING If after consulting the Troubleshooting section of this manual the situation is not resolved immediately return the PHODS system to a qualified technician for inspection WARNING DO NOT fill or use the PHODS if it has been exposed to extreme heat exceeding 250 F 121 C or open flame I
16. prevent snagging during egress CAUTION DO NOT apply any type of aerosol spray to the PHODS Doing so may cause permanent damage to certain plastic components including the delivery tubing AN CAUTION PHODS operation has not been verified below 25 F and performance may be degraded at lower temperatures CAUTION DO NOT pull on the tubing without pushing in the collar it will damage the connector AN CAUTION DO NOT pinch the outlet hose when inserting it into the Out connector CAUTION If moisture is found to be present inside the fill port opening indicating that water may have entered the PHODS first stage and cylinder DO NOT fill or attempt to use the PHODS until it has received complete inspection and any required service by a qualified technician CAUTION Be careful not to damage any components inside the helmet when performing Steps 9 11 10 PHODS Technical Manual CAUTION Be sure to drill the helmet shell as specified in Steps 9 11 or delamination of the helmet shell could result making the helmet unserviceable When performing Steps 9 11 hold the drill perpendicular to the helmet shell to prevent damage to the shell and the energy absorbing liner Use the 2x4 block of wood as specified in Steps 9 11 to prevent damage to the helmet shell CAUTION Be careful not to damage any components inside the helmet when performing Steps s and t Be sure to drill the helmet shell as specified in Steps 19 20 or
17. secured to the Survival Vest properly Verify OPC M1 pocket is secured to the Survival Vest properly Install the PHODS Cylinder and Regulator into the Cylinder pocket and secure with the fasteners Install the OPC M1 into the OPC pocket Ensure the hook and loop closure is securely fastened Route the 30 OPC Hose through MOLLE straps over the shoulder and connect the 90 connector into the Q D connector on the Regulator Ensure the Q D connector clicks into place 10 Route the OPC Outlet hose through the MOLLE straps from the upper chest to the OPC Pocket 11 Verify the MOLLE attachment on the Q D Fitting is attached to the Survival Vest and the Blue Tip of the hose has sufficient length to be pushed into the OPC 12 Push the OPC Outlet hose into the 6mm connector on the OPC 13 Select Helmet mounted delivery method Check Helmet Nasal Cannula leen WEE 1 Ensure the Nasal Cannula is mounted in the helmet securely and it has the 90 connector at the rear facing outward 2 Ensure the Nasal Cannula has a removable Nose Piece installed 3 Push the open end of the Coiled Hose into the 90 fitting until it stops 4 Don the Helmet and push the Q D fitting on the Coiled hose into the Q D fitting attached to the Survival Vest 5 Position the Nasal Cannula into the nose and inhale while observing the OPC in the R M position The Green LED should flash once indicating a properly functioning unit 6 To Simulate
18. tape PN 102959 AQUA JLuNG w PHODS First Stage Testing 5 Submerge system in fresh water to check for leaks for one minute minimum Remove from water 1 Cycle handwheel on off several times check RED indicator ring function Turn handwheel until valve is closed 6 Leave in ON position at a stable temperature for a minimum of 12 hours Recheck dial gauge 30 to ensure no oxygen loss 2 Remove fill port cap Attach fill adapter Fill cylinder to 2100 psi 145 bar Turn off supply bleed line pressure Listen to the unit for leaks f EELS 7 If leaks detected refer the to troubleshooting section in this Technical Manual p 50 3 Attach IP gauge PN 102969 to the regulator Turn hand wheel slowly to open the valve Check IP is 25 10 psig 1 7 69 bar Close valve open IP gauge bleeder valve to relieve pres PHODS Regulator amp Cylinder Final Assembly sure Fill IAW with local directives 1 Ensure all the water has been expelled from the cap 2 Install the cap protector 1 over the piston cap 2 4 Refill the PHODS Cylinder to 2100 psi 145 bar Turn valve to ON position and check dial gauge 30 for accuracy WHITE 2 Screw on the fill port cap PSI x 1000 AQUAGJLUNG OXYGEN NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy This Concludes PHODS Regulator Testing it is possible that th
19. the Flow fault alarm Disconnect the Q D 90 connector from the regulator and inhale The Green LED should produce a constant flashing for 2 seconds This indicates a flow fault Reconnect Q D 90 connector 7 The system is verified functional 8 Remove the Nasal Cannula from the nose disconnect the Coiled Hose Q D by pushing the Vest Fitting Q D lever in remove the helmet Change the mode on the OPC by pushing the button once to the ON Mode The unit is ready for use When not breathing on the device the LED with will flash 4 times indicating no breaths have been taken in 30 seconds 36 PHODS Technical Manual Pc Fc FN Fc 4 Check Helmet PHODS Mask Ensure the Nasal Cannula is removed from the helmet Ensure there is a red plug in the other unused 90 fitting on the exhalation side of the mask Push the open end of the Coiled Hose into the 90 fitting on the inhalation side of the mask until it stops Push the Q D fitting on the Coiled hose into the Q D fitting attached to the Survival Vest Don the Helmet and attach the PHODS Mask to the helmet Ensure correct fit Inhale while observing the OPC in the F20 position The Green LED should flash once indicating a properly functioning unit EE ss 2 YS 7 The system is verified functional 8 Remove the Mask from one side of the helmet disconnect the Coiled Hose Q D by pushing the Vest Fitting Q D lever in remove the helmet the unit is ready for use W
20. 02968 Vise Insert AQUAGYLUNG SPECIFICATIONS Maximum respiration rate The OPC M1 at power up will allow up to 20 BPM As the user breathes faster the unit will compensate and allow up to 45 BPM Apnea time out Approximately 30 seconds Apnea alarm will flash a Green LED in the ON mode if your actual pressure altitude is below the 10 000 ft altitude setting and or you are not breathing normally through the cannula or mask Operating inlet pressures 15 25 psi At higher inlet pressures the valve may open to relieve the pressure and the unit will not operate correctly Battery type 2 Standard AA alkaline DURACELL type MX1500 or equivalent Operating Voltage 3 VDC On Start Up Battery Low Voltage warning Less than 4 hours duration remaining LED flashes rapidly Alarm continues to sound amp Solenoid Valve continues to pulse Severely depleted batteries will only flash the LED Operational Low Voltage Warning 4 8 hours remaining 1 flash of the Green LED every 2 seconds Replace batteries as soon as practical Operational Extreme Low Voltage Warning 1 2 hours remaining 2 flashes of Green LED every 2 seconds Batteries must be replaced as soon as possible Dead Battery OPC M1 Stops delivering oxygen Batteries must be replaced IMMEDIATELY Battery Life 100 Hours 77 F 25 C operating assuming fresh alkaline batteries under normal conditions Storage The OPC M1 will not draw any current d
21. 5 fully charged PHODS regulators amp cylinders for aircrew cylinder change out during flight operations See Fig 46 Ce NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle will only go just to the green or next to it This is acceptable provided the unit is charged on a calibrated system Ce NOTE While the regulator dial gauge indicates a full cylinder on the ground the colder temperatures at higher altitudes will reduce the pressure in the cylinders This is normal At higher altitudes Aircrew members must check the cylinder pressure in the user worn cylinders more often REGULATOR AND CYLINDER CHANGE OUT 1 To change out an empty or non operational Regulator and Cylinder 2 Shut the cylinder valve off amp turn off the OPC 3 Disconnect the Q D connector on the Regulator by depressing the lever until the 90 Q D connector releases Unsnap the cylinder retaining straps and remove the Regulator and Cylinder from the Pocket Obtain a full cylinder from the Qualified Technician or from the Mission kit while in flight Turn on the new cylinder and verify that it is full with the gauge in the green Turn off the cylinder valve Install the new cylinder in the pocket and attach the straps if possible Push the 90 Q D connector into the Q D connector on the regulator Turn on the cylinder valve amp set the OPC to the applicable mode ae S
22. 6 BAR and less than 3 100 PSI 214 BAR It is very important to ensure that the PHODS is filled to its total capacity but not overfilled 2 Remove the protector cap from the threaded nozzle of the fill adapter 3 Attach the Cylinder Fill Adapter to the supply cylinder and tighten wrench tight 4 Mate the threaded nozzle of the Cylinder Fill Adapter onto the open fill port and turn clockwise by hand until snug DO NOT apply a wrench or otherwise over tighten the fill adapter into the first stage WARNING DO NOT attempt to fill the PHODS from a supply cylinder which is not regulated to 2 100 PSI 145 BAR Doing so may weaken and damage the safety burst plug assembly and or PHODS cylinder 5 While holding the first stage and Cylinder 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 6 Support the cylinder with one hand and slowly turn the supply cylinder valve handwheel counterclockwise to open and begin filling As the PHODS cylinder begins to fill make sure the pressure indicator shows that the cylinder is filling properly Allow 500 psi into the PHODS then close the valve and allow the PHODS to cool for a few minutes repeat until the PHODS is full to 2100 psi Ce NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle wil
23. Attachment AQUAGYLUNG 33 4 7 4 Removing MFS 1 Flip the latch on one side of the MFS away from the helmet shell and remove the pin from the slot 2 Repeat for the other side 4 7 5 Using Anti Fogging Solution R WARNING When using the anti fogging solution described below avoid getting the liquid solution into the eyes Solution will irritate and may burn the eyes In case of eye contact flush with fresh water for 15 minutes Contact physician if irritation persists See package for other directions To help prevent the visor lenses from fogging when the MFS is worn use Sea Drops anti fogging solution as follows 1 Apply two drops of anti fogging solution to the inside surface of each lens 2 Rub the solution over the entire surface of the lens 3 Wait 10 seconds then buff with a MicroNet microfiber cloth or any soft dry cloth until the lens is clear Sea Drops and MicroNet are manufactured by McNett Corporation 1411 Meador Ave Bellingham WA 98229 5845 phone 360 671 2227 4 7 6 MAINTENANCE 4 7 6 1 Repairing Edge Beading a Peel the worn edge beading away from the shield Figure 4 14 shows the location of the edge beading b Remove old adhesive from the shield by rubbing it off with a clean cloth Use a razor blade if necessary c Coat the edge of the shield and the new edge beading with synthetic rubber adhesive d Install the new edge beading evenly over the edge of the shield Allow t
24. E AREA NO SMOKING CHEWING EATING OR DRINKING Cleaning Brass and Stainless Steel Parts 1 Preclean in warm soapy water using a nylon bristle tooth brush If there are stubborn deposits household white distilled vinegar acetic acid in an ultrasonic cleaner will work well 2 Thoroughly clean parts in an ultrasonic cleaner filled with an oxygen compatible solution for 5 15 minutes 3 Remove parts from the ultrasonic cleaner and rinse with fresh water If tap water is extremely hard place the parts in a bath of distilled water to prevent any mineral residue Agitate lightly and allow to soak for 5 10 minutes Remove and blow dry with low pressure 25 psi filtered air and inspect closely to ensure proper cleaning and like new condition Cleaning Plastic amp Rubber Parts Parts made of plastic or rubber may be soaked and cleaned in a solution of warm water mixed with mild dish soap Use only a soft nylon toothbrush to scrub away any deposits Rinse in fresh water and thoroughly blow dry using low pressure filtered air Soapy water is defined as household grade liquid dishwashing detergent diluted in warm water AQUAGYLUNG 63 Procedure A Cleaning and Lubricating Continued Cleaning Hoses 1 If corroded soak hose ends only in ultrasonic cleaner Do not allow cleaner to enter hose more than necessary Thoroughly rinse with fresh water Allow to dry with fittings hanging down Blow out ho
25. L TOOLS AND TEST EQUIPMENT 2 1 General Requirements This section lists and illustrates special tools and test equipment required for maintenance of the PHODS If the recommended tools test equipment is not available equivalent items may be used 2 2 Special Tools Refer to Table 2 1 for special tools required for maintenance of the PHODS Table 2 1 Special Tools Aqua Lung Manufacturer Use and Application DIN 102992 Mask Valve Tool Provides for special tools to accommodate oxygen mask maintenance 945734 4 way Screwdriver Tightening of microphone attachment screws 2 3 Special Test Equipment No Special Test Equipment is required AQUAGYLUNG d CHAPTER 3 PREPARATION FOR USE STORAGE AND SHIPMENT Unpacking Remove the oxygen mask from the shipping box and plastic bag Prior to use visually inspect the mask for damage incurred during shipment or storage Inspect for system completeness cleanliness and deterioration Check for cracks punctures or tears in the silicone rubber parts Check for loose connections of the inhalation and exhalation valves to the mask two side mounted 90 degree oxygen inlet ports of the mask and the upper and lower strap assemblies to the hardshell Tighten any loose connections Check mask snaps amp strikers for proper operation Prior to issue perform complete inspection in accordance with paragraph 5 2 Test mask assembly to ascertain that it is functioning properly in accordance
26. NTE eranan a E E EA E E E E A E A 96 5 1 introdu 0 EE 96 5 2 Inspection and Preventative Maintenance 96 5 3 geleed EE 97 5 4 MAR 98 5 5 Mask Disa ss EE een ceeetracaeu cree 98 5 6 General Cleaning INStructionSs sai cccinininnisnsmanciixaineneuninnracisanndouianennemadnentaitiianbenbanannduaeimounets 99 5 7 Cleaning Hardshell EE EE TA 99 5 8 Cleaning Valve Aesemblies 100 5 9 Mask Re ASSOMDIy ccccccececcessccessccuseccuseceueeceusesaueesaueusaueuseueuseueuseueusuvaueuvausavaueueaneass 100 Oe FAIS IS E E E E E E N E donee 102 6 1 VON 102 ek WEE E ele EE 102 7 1 Listing of Similar Assemblies sssseseseseerenrrrrurrnrrrrnrnurnrnrnrnrnunurnrnrnrnrnrrnrnrnrnrnrreunnnnnr nenene 102 7 2 VE OMO Odo EE EE pananeunae OS 103 7 3 Maintenance Parts List 104 AQUAGYLUNG Fig 1 1a 1 1b 1 2 4 1a 4 1b 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 4 18 4 19 5 1 5 2 7 1 7 2 List of Figures Description Page Mask Assembly Oxygen PHODS HGU 84 P Usage 11 Mask Assembly Oxygen PHODS HGU 56 P Usage 11 Width and Height Dimensions of Faceseal a rnnnnennnnennnvernnrnunnenunnennnnernnnevnnrnunnenunnenunnevnnrounner 12 Mee NN 18 Eve Center Position to Egger dtEesgegekeseisuek eege ege ottetsmecardeeddedaeeyesukeareresueeeanacceeneneents 18 Tac cing Mask Adjustment EE 80 BT 81 FACEDISCO LTMMING nsicexscurcttavtabadnnntentssharantesnnsuesiaiusacrananenanteeentactescadas
27. SAFETY AND THE MECHANICAL INTEGRITY OF YOUR PHODS DEPENDS ON IT Figure 49 AQUAGYLUNG vi PHODS REGULATOR SCHEMATIC Key Part Description Key Part Description See 102940 Regulator w cylinder PHODS 21 108313 Handwheel Assy On Off hue 102990 Service Kit Regulator PHODS 22 108316 Spring On Off Ui 108302 Cover Retainer 23 a 108329 Washer Handwheel Top ER 108303 Cap Retainer Complete Z n 108304 Retainer Handwheel Black ee 820320 O ring 25 seston 102917 Sticker O2C Cyl PHODS A 106769 Piston 26 se 102930 Cylinder Steel Sene 820007P O ring 20pk e 820316P O ring 10 pk Bees 106726 HP Seat Piston Se 820319P O ring 10 pk EN 102901 Spring 29 ee 102908 Fill Port w Cable PHODS O2C JE 102954 Body SG 102955 Gauge Dial 3000 PSI 02 spare 9 102952 Connector CPC MCD 1002 hanes 102950 Service Kit OPC M1 PHODS 10 esses 054211 Safety Plug 2250 PSI S geng 102906 Nosepiece 1 pk 11 102941 Retainer Assy Seat Disc gt urs 102980 Cannula Assy w o Clip w Nosepiece AE 108319 Stem On Off OO ee 102957 Hose Assy 6mm Coiled e E ects 108327 Washer Stem Bottom Teflon 34 snr 820008 O ring IA 108328 Washer Stem Top Brass BO essen 102958 Hose Assy OPC M1 Outlet 19 eee 820010P O ring 25 pk BO vii 102960 Hose Assy CYL OPC Spare 16 sie 828009 Ring Back Up SU ere 820098 O ring ER 820015P O ring 10 pk SS snr 102966 Spring amp Filter E SE 108318 Bonnet Complete Seege 103044 Connect
28. a new piston shaft o ring 5 and piston head o ring 3 onto the piston 4 Apply additional Christo Lube to the small o ring prior to installation into the body 2 Install a new lightly lubricated o ring 27 over the first stage cylinder threads so that it is seated against the first stage body 8 Place 3 small dabs of Christo Lube around the diameter of the first stage body 8 threads This will ensure that the first 4 to 5 threads are lubricated 6 Closely examine the new HP seat 6 One edge is sharp and one edge has a chamfer With the chamfered edge facing outward press the HP seat into the small recessed hole in the end of the piston 4 This may be accomplished by putting the chamfered edge down on a hard clean surface and pushing the 3 Thread the first stage body 8 into the cylinder 26 until hand piston over it tight Attach a 1 3 16 crowfoot PN FC38A to a torque wrench While holding the cylinder firmly in the bottle vise adapter PN 100398 tighten the first stage body to a torque value of 25 3 foot pounds 33 9 2 7 Nm 7 Place the spring 7 into the first stage body 8 Press the piston 4 into the cap 2 so that the piston head is seated flat against the cap CAUTION Position the crowfoot wrench at the top of the regulator body to prevent damage to the regulator ports 44 PHODS Technical Manual 8 Lubricate the male threads on the body 8 and small o ring 12 Lubric
29. aatecepinenttsaisuetacenssebiunes 82 Drawing Arc From Helmet Dimple rannannnnannnnnnnnnnvnnnanennanennenevnenannenannenanunnanunnannnneneeneneeneneenene 83 Drawing Arc From Dual Visor Assembly Poet 84 Ee ER ee 85 Downstop LOCKING ScCrews axnvannnvennnernnnernnnennnnennnennnnennnnennnnennnennnnenunnennnnnnnnennnnenunnenunnennnnennne 85 MES Attachment to EE 86 Striker Attachment Completion c cccccccecccecceceueeeeceeaueueueueeeeecuuaueusucauaueueeeaueeeeeavaueesueauauseeanas 88 PN 89 Areas to De TIMME EE 89 Securing MFS Attachment vivivesinentdiiednwndaiiwaawinneniuavetoninnenuadanaivishidenaineswanenssiaweniandsnstentiusensaesenusesas 90 VREE e EE 91 Striker and NAPAWALE ccccceesccesseccsscccesecessesessecaeecessecessecceseseseseaueceaseseasesesesccsnesessesesesersesereseneeeetens 92 BE 92 Maxillofacial Shield Assembly rarnrnnnnannnnavnnnnnnnnnnennavevnenernenavnenannenanuenanunnanuenanunnenenennenenennene 93 Microphone Assembly Talk Side Modified M7GOAIACTI 95 Microphone Assembly Positioning Modified M 169A ACI Shown vaunnanunnnannnvnnnnvnnnnennnnennnnennnnennnn 95 Modified M 169A ACI Dynamic Assembly rrunnnnnnnannnnavnnnannnnenennenennenevnenannenannenennenenenenenenuenenn 98 Mask Elbow Fitting Aesembiy atka atuna E AARAA AEEEAEEEEAEE EAE EEE AEEA REEERE Ennen 99 PHODS Oxygen Mask HGU 84 P Usage Parts Location 106 PHODS Oxygen Mask HGU 56 P Usage Parts Location 106 70 PHODS T
30. able parts or parts from other units Delicate parts including inlet fittings and crowns which contain critical sealing surfaces must be protected and isolated from other parts to prevent damage during the cleaning procedure 5 Use only genuine Aqua Lung parts provided in the overhaul parts kit for this product DO NOT attempt to substitute an Aqua Lung part with another manufacturer s regardless of any similarity in shape or size External Inspection 1 Remove the covers from the Oxygen Bottle OPC M1 and set aside 2 Inspect the fill port 29 for any signs that contaminants such as moisture or particulate matter may have entered the system 3 Visually inspect hoses 33 35 36 along their length for PHODS Technical Manual Hm Fc NN Fc 4 Initial Inspection Procedure 6 Use your fingers remove the cap protector 1 from the cap 2 Twisting the cap protector may help during removal Immersion Leak Test 1 Disconnect the OPC M1 supply hose from the Q D connector 2 Ensure the cylinder is full and the cylinder valve is open all the way by turning the regulator valve handwheel 21 until there is no red showing in the valve handwheel window 3 Listen for any audible leaks coming from the PHODS regulator any signs of deterioration or damage such as blistering abrasion or corrosion of the fittings 4 Submerge PHODS cylinder and regulator in fresh water to visually inspect for leakag
31. al gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle will only go just to the green or next to it This is acceptable provided the unit is charged on a calibrated system Ce NOTE The PHODS system does not include a Cylinder Fill Adapter Fig 17 This adapter PN 102911 may be purchased separately Figure 17 Filla PHODS directly from the MOCRS Go through the start up procedures for the MOCRS and start the unit attach a PHODS to the fill hose and wait until the MOCRS goes thru the warm up and the 240 second countdown watch the gauge screen as the high pressure oxygen reaches 2000 psi open 1 of the K cylinders and allow the MOCRS to run into this K cylinder while you change to the next PHODS After you have the next PHODS on the fill hose close the K cylinder and allow the MOCRS to fill the PHODS Repeat as needed until done AQUAGYLUNG e MOCRS FILL MANIFOLD amp UPGRADED MANIFOLD LINE The MOCRS Fill Manifold PN 103048 and Upgraded Manifold Line PN 103053 is connected to the MOCRS outlet hose connects both MOCRS cylinders and allows charging of one to six cylinders at a time Fig 17a The Manifold comes with two straps for securing the Manifold and has foam lined blast tubes for personnel safety Figure 18 FILLING THE PHODS FROM AN OXYGEN CYLINDER 1 Using a calibrated pressure gauge check the supply cylinder to ensure that it contains at least 2 00 PSI 18
32. any use of this device or equipment outside the scope of common sense the Instruction Manual inserts and other related documentation Portions of this manual are excerpts from the MH OPC M1 Instruction Manual used by permission of Mountain High Equipment amp Supply Company Redmond OR from the PHODS Mask Assembly Manual used by permission of GENTEX Corporation Respiratory Products Rancho Cucamonga CA and from the MOCRS Manual used by permission of Oxygen Generating Systems Intl N Tonawanda NY WARNINGS CAUTIONS AND NOTES Pay special attention to information provided in warnings cautions and notes which are accompanied by these symbols A WARNING indicates a procedure or situation that may result in serious injury or death to the user AN A CAUTION indicates any situation or technique that will result in potential damage to the product Ce ANOTE is used to emphasize important points tips and reminders AQUAGYLUNG CONTENTS CHANGE RECORD Lu 6 BASIC SAFET GE 7 General Precautions E e Un e re T SYSTEM DESCRIP HON eege 13 PP SEN vm 13 Regulator and Oxygen Cylinder vaere 14 Oxygen Pulse Controller OPC M1 raunnnnnnnnnnnnnnnnnennnnvnnnnvnnnnnnennnnennnnennnnennnnnnnnnnnnnnnnenunnennnnenunuenune 14 TE 14 PREPARATION WE RE KE 15 PHODS PUE e E 15 Filling Procedures EL EE EN 16 Cylinder ene EEE NE 16 SETTING UP THE MOBILE OXYGEN CYLINDER REFILLING STATION MOCRS 18 Filing The Suppl
33. ao oS 0 Check the OPC for flow and proper operation 34 PHODS Technical Manual Fc NN NN Fc 4 OPTIONAL PHODS MASK The Oxygen mask design includes the mounting brackets necessary to connect the mask to the HGU 56 P helmet with or without the Maxillofacial Shield MFS installed It may be used with the optional snap adapters to connect the mask to the HGU 84 P helmet without the MFS installed This provides versatility to air crew members allowing them to customize the system according to mission demands The system remains stable throughout the flight performance envelope of helicopters is easy to don and has quick disconnect features The mask assembly s quick release snaps and adjustable fasteners allow three unique configurations wherein the MFS and oxygen mask can be used independently or together for maximum protection The mask includes an integrated M 169A AIC dynamic 5 ohm microphone to aid communications Use of a mask will supply an adequate oxygen mixture to users who are under mental or physical stress and who as a result will breathe through their mouths instead of their noses Oxygen enters from the OPC Regulator hose and travels through a 90 degree oxygen elbow next to the inlet port of the Mask to allow the oxygen to enter the mask cavity Exhaled gasses exit the mask through the exhalation valve See Figs 47 amp 48 Ports can be reversed to accomodate right or left side installation of the PHODS inlet hose See Ap
34. apors Keep container closed when not in use 5 7 Cleaning Hardshell and Facepiece 1 Moisten a gauze pad with a solution of warm water and a mild liquid dishwashing detergent NSN 7930 00 764 5076 After washing the facepiece thoroughly rinse with warm water A residual odor of the perfume may be present in the mask If an allergy or objections to the odor should occur change the detergent Wipe inside and outside surfaces of the hardshell completely Wipe with clean gauze pad 2 After parts are dry disinfect facepiece by dampening a gauze pad or other lint free wipe with a 70 solution of isopropyl alcohol and allow to air dry Be certain disinfectant reaches inner crevices of the facepiece 102 PHODS Technical Manual 5 8 Cleaning Valve Assemblies 1 Obtain two small containers large enough to partially submerge each valve 2 Fill one container partially with a 70 solution of isopropyl alcohol or a mild solution of dishwashing detergent and water 3 Fill one container with clean water AN CAUTION DO NOT probe into any portion of the valves with swabs or other tools AN CAUTION DO NOT under any circumstances use any type of organic solvent MEK TCE etc to clean any portion of the mask valves or other components WARNING Isopropyl alcohol is flammable Keep away from heat sparks and open flames Use with adequate ventilation Avoid eye and repeated skin contact Avoid prolonged breathing of vapors Keep co
35. ate the threads of the new seat disc assy 11 Using 5 then pass the piston shaft through the spring 7 the squared end of the valve stem 12 screw the seat disc assy 11 into the first stage body 8 until finger tight Leave the valve stem 12 in the seat disc assy 11 Lubricate Here 9 While pressing down on the piston cap 2 tighten the cap by turning clockwise with the adjustable spanner wrench PN 107394 until the cap 2 stops against the first stage body 8 13 Using the handwheel 21 as a wrench place the handwheel over the valve stem 12 and tighten the disc seat assy 11 hand tight Remove the handwheel Leave the valve stem in place CAUTION Ensure that the pins are seated and secure External damage to cap may result if pins slip out This will not affect regulator operation 10 Place a new lightly lubricated washer 13 onto the valve AN CAUTION Failure to tighten the seat will cause damage stem 12 Place the washer brass 14 against the washer 13 to the bonnet when installed and torqued 14 Install a new lubricated o ring 17 onto the bonnet 18 so that the o ring fits into the groove located above the larger threads Check the inside of the bonnet to ensure the old backup ring 16 and o ring 15 were removed 11 Place a new lubricated o ring 15 against the washer brass 14 Examine the backup ring 16 to determine which side is flat and which side is concave
36. behind the knob Retighten knob and adjust the clip cannula as needed See Figs 35 38 Figure 35 Figure 36 Figure 37 Figure 38 28 PHODS Technical Manual Fc PN Pc Fc 4 CONTROL SWITCH SETTINGS AND MODES OF OPERATION The OPC M1 unit is controlled by two push button control switches Specific settings are shown in Figs 39 43 For assistance in selecting the proper operational Mode refer to Figure 44 Control Switch Settings The OPC M1 has three main modes of user controlled operation OPC M14 Oxygen Pulse Controller 1 OFF OPC M1 non operational and powered down OPERATION MODES 2 ON Fully Automatic pre set delivery beginning between OFF 8 000 500 ft PA to 10 000 ft PA Nasal Cannula only Unit is OFF 3 R M Reserve Manual Maximum flow pulse upon inhalation A ON at any altitude Do not use this setting above 16 000 ft Active at and above 10 000 ft pressure altitudes 4 F20 Automatic at all altitudes Face mask or Nasal Cannula RI This is the suggested setting for high workload environments Reserve Manual See Figure 43 for specific altitude restrictions 5 Before proceeding review the information on the front DR More panel of the unit which provides an easy reference to EEE various operational modes See Fig 39 Carnulas Face Masks and Regulators are used Serial Number 123456 M OD E S E LECTI O N Made m the USA Patent 6 221 244 To turn the OPC on from the OFF positio
37. by placing them over the valve nuts and work to secure the fit Ensure that the cover fully engages the lock nut Ensure that the openings in the cover are oriented downward and that the cover is completely seated over the flat of the nut 7 If installing the Modified M 169A AIC microphone assembly proceed as follows a Place the Mylar gasket over the two male pin connectors on the microphone element block and insert the element inside the mask b Ensure the silicone rubber sealing gasket is attached to the microphone receptacle c Place the receptacle on the outside of the mask and line up the pins and install the two screws d Hand tighten screws sufficiently but be careful to avoid stripping threads 8 If applicable re attach Spreadre Bar Assemblies 10 11 to hardshell upper strap 5 and lower strap 4 if removed for part replacement 9 Refit the mask to the wearer and test mask per paragraph 4 4 Retack the mask straps following fitting per paragraph 4 4 10 When mask re assembly is complete test the mask per paragraph 4 13 and disinfect per paragraph 4 12 104 PHODS Technical Manual Pc N EE CHAPTER 6 PARTS LIST 6 1 Sizes Covered This parts list is applicable to the following sizes of PHODS Small Narrow SN Medium Narrow MN Medium Wide MW Large Wide LW CHAPTER 7 ILLUSTRATED PARTS BREAKDOWN 7 1 Listing of Similar Assemblies The sizes of the PHODS have been combined and listed as follo
38. can result in serious injury or death WARNING DO NOT apply any type of petroleum based lubricant or grease to any part of the PHODS Hydrocarbon contamination including petroleum based lubricants can cause spontaneous combustion when exposed to compressed oxygen A WARNING It is important to fill the PHODS cylinder only with Oxygen 90 pure or greater If filling the PHODS from any other source than a Mobile Oxygen Cylinder Recharge Station ensure that the moisture content does not exceed 0 005 milligrams of water vapor per liter of gas at 760 millimeters of mercury mmHg at a temperature of 70 F 21 1 C Excess water vapor in the breathing gas can cause ice to form inside the PHODS and interfere with the operation of the system at colder temperatures WARNING Do not attempt to loosen or remove the regulator Q D connector or safety burst plug on the regulator under any circumstances This should only be done by a qualified technician WARNING The OPC M1 LED is Night Vision Goggle NVG compatible and therefore difficult to see through the NVG The LED should be viewed with the unaided eye The OPC M1 should be mounted on the Survival Vest in a location that will allow direct viewing of the LED indicator light The LED should be periodically checked to ensure proper operation during flight at altitudes requiring supplemental oxygen WARNING Crew members are required to periodically check the amount of oxygen remaining
39. crophone Assembly Talk Side Microphone Assembly Positioning Modified M 169A AIC Modified M 169A AIC Shown 98 PHODS Technical Manual Fc EN NN Fc 4 CHAPTER 5 PERIODIC MAINTENANCE 5 1 Introduction This section contains instructions essential for organizational and intermediate maintenance of the oxygen mask Refer to Chapter 2 for the special tools and test equipment required to facilitate maintenance 5 2 Inspection and Preventative Maintenance 1 Perform the inspections listed in Table 5 1 each time the oxygen mask requires inspection 2 Wearer should verify that their oxygen mask has been cleaned inspected and repaired as necessary by qualified technicians within the last 30 days prior to flight 3 It is not necessary to completely disassemble the mask assembly every 30 days Some masks may require disassembly and cleaning after every use severe conditions while others may not require washing for longer periods of time Masks used very infrequently should not require frequent disassembly The frequency of disassembly for cleaning is left to the discretion of the Aviation Life Support Technicians Table 5 1 Inspection and Maintenance Criteria Step Nomenclature InspectFor Repair gt Inhalation Valve damage foreign matter proper seating necessary straps buckles or rivets replace hardshell assembly or dirty assemblies loose rivets proper operation i disk Straps and buckles Frays split broken
40. d Oakite 31 brass parts CAUTION Do not use muriatic acid for the cleaning of any parts Even if strongly diluted muriatic acid can harm chrome plating and may leave a residue that is harmful to o ring seals and other parts White distilled vinegar Acid bath for reusable stainless steel Household grade and brass parts Degreaser for brass and stainless steel parts general cleaning solution for plastic Household grade and rubber Non ionic Liquid dishwashing detergent diluted with warm water 58 PHODS Technical Manual Table 5 List of Tools and Service Kits PART DESCRIPTION APPLICATION 100398 Vise Adapter Cylinder Removal Installation Gauge M P Be PHODS O2C Test Intermediate Pressure IP Adjustable 5 Spanner Regulator Cap Removal Wrench em 107394 1 4 F 3 8 M 103094 Adapter Adapt Torque Driver to 3 8 Crowfoot 9 43001 3 8 Socket n Burst Plug Assembly Removal Installation 3mm Hex 103008 Sockel OPC 6mm Connector Removal Installation 9 16 Deep 193008 12 pt Socket Regulator Bonnet Removal Installation 1 3 16 Regulator Body Removal Installation BER Crowfoot 7 8 Crowfoot r Dial Pressure Gauge Removal Installation 9 43628 103009 5 8 Crowfoot Q D Connection Removal Installation 3 8 Crowfoot OPC Inlet Connection Removal Installation AQUAGJLUNG 59 945734 944118 941586 944022 10 102 400
41. delamination of the helmet shell could result making the helmet unserviceable When performing Steps 19 and 20 hold the drill perpendicular to the helmet shell to prevent damage to the shell and the energy absorbing liner Use the 2x4 block of wood as specified in Steps 19 and t to prevent damage to the helmet shell When performing Step 20 ensure that both strikers are rotated out of the way before you begin drilling Do not drill through the strikers with the 3 16 inch drill bit A N CAUTION Dust and dirt can easily foul the operation of the valve assemblies Keep the oxygen mask inside a sealed plastic bag or suitable container until ready for use AN CAUTION DO NOT probe into any portion of the valves with swabs or other tools CAUTION DO NOT under any circumstances use any type of organic solvent MEK TCE etc to clean any portion of the mask valves or other components AN CAUTION Carefully align slots on the valve with the two small key tabs on the hardshell port i Damage can occur if not done properly Ce NOTE The OPC M1 unit is programmed to start operation once it senses a pressure altitude of 8 000 500 ft PA Due to the differences in barometric pressures and other factors where the unit may be operating the OPC M7 is guaranteed to start operation at and over 10 000 ft PA Ce NOTE If the OPC M1 is not going to be used for 30 days or more remove the batteries When using the OPC M1 for the first time after s
42. e If air bubbles are detected refer to the Troubleshooting Table on p 50 as needed 4 Slowly pressurize the system by turning the on off hand wheel 21 counterclockwise Intermediate Pressure Test 1 Ensure the regulator valve handwheel 21 is open 2 Connect Intermediate Pressure IP gauge PN 102969 5 Examine the dial gauge 30 to determine the gauge is in the green indicating that the PHODS cylinder is full 3 Pressurize system making sure to check that the dial gauge 30 is reading full gauge needle in green WHITE 4 IP should be 25 10 psig 1 7 69 bar Cycle the bleed valve several times to ensure IP lockup PSI x 1000 NILUS EEE OXYGEN Ee NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle will only 90 just to the green or next to it This is acceptable provided the unit is charged on a calibrated system Se NOTE IP lock up is defined as No further increase of IP after the unit is pressurized and stable 40 PHODS Technical Manual NOTE Before performing any disassembly refer N CAUTION Avoid damaging the fill port adapter 29 with the to the exploded parts drawing which references all wrench mandatory replacement parts These parts should be replaced and must not be reused under any circumstances regardless of the age of the regulator or how much use it has received s
43. e material up to the reference line marked in step a 5 After completing the hardshell trimming clean the hardshell with 70 isopropyl alcohol and let air dry 6 Re assemble the mask per paragraph 5 9 7 Check the mask for proper fit Ref paragraph 4 4 If additional hardshell trimming is necessary repeat steps a through e until a satisfactory fit is achieved 8 Test the mask per paragraph 4 13 Nasal Root Area Valsalva Ports Upper Strap attachment Slots Cheekbone Area Common Areas to be Trimmed Figure 4 3 Hardshell Trimming 84 PHODS Technical Manual Pc FN FN Fc 1 4 6 Facepiece Trimming If necessary for wearer comfort the area of the facepiece under the chin may be trimmed as follows Ref Figure 4 4 1 Mark the area of the facepiece requiring material removal Maximum depth of trim area shall not exceed 12 7 mm 74 inch 2 Using small scissors remove the material up to the reference line marked in the above step Blend the trimmed area with the contour of the facepiece edge to eliminate sharp corners Cut edge should be as smooth as practical 3 Clean the facepiece with 70 isopropyl alcohol solution and let air dry Verify mask fit and seal 4 Steps 1 through 3 may be repeated as necessary while staying within the 12 7 mm inch maximum depth requirement 1 2 Max V Face Piece Mark this area no more than 1 2 inch at center and blend into contou
44. e needle will only go just to the green or next to it This is acceptable provided the unit is charged on a calibrated system 48 PHODS Technical Manual Oxygen Pulse Controller OPC Parts and hoses 90 Connector Hose to Cannual Noseci es IHODS r d Coiled Hose to Cannula Connector OPC M1 Fixed 30 Hose amp 90 Fitting to Q D Connector O ring Coiled Hose X MOLLE Vest onnector 6mm Hose C Battery dk Compartment Back of OPC M1 Battery Removal 1 Remove the battery door by pressing down gently on the battery cover flange slide the door out and away from the unit Ensure the ribbon is positioned under the batteries towards the right side the ribbon is used to facilitate battery removal Pull up on the ribbon and remove the bottom battery from the right and then remove the second battery Replace the battery door by sliding the door in until it snaps in place Take care when removing and replacing the batteries as to not damage the batteries and or connectors reg mi ie Las EG res met Re mr f WD later Feet 2 Sad CAUTION Batteries need to be removed prior to any maintenance or storage of the OPC M1 Failure to do so may cause irreversible damage to the OPC M1 OPC M1 Disassembly 1 Take note of the OPC inlet hose fitting amp 6mm outlet fitting 39 EA CH 2 5 Fs D e ES io EN Ki z 2 Insert a 3mm he
45. e vent valve 10 Again SLOWLY charge the PHODS cylinder with 500 psi of oxygen Secure the oxygen charge Ce NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle will only go just to the green or next to it This Is acceptable provided the unit is charged on a calibrated system 16 PHODS Technical Manual Pc FN FN Fc 1 11 Using the vent valve on the IP gauge vent the oxygen from the cylinder SLOWLY until the dial gauge on the PHODS regulator reads 0 psi and no pressure is venting out Close the vent valve 12 Remove the IP gauge 13 Charge the cylinder with 2100 psi of oxygen Close the PHODS regulator valve 14 In accordance with local procedures secure the oxygen charge and remove the charging connection 15 Install the charging adapter cap hand tight 16 Return the PHODS regulator and cylinder to the case 17 The PHODS regulator and cylinder is ready for issue Filling Procedures General 1 Before attempting to fill the PHODS ensure that the fill adapter and first stage are completely dry and free of contaminants especially in the area surrounding the high pressure port 2 Examine the cylinder markings to verify that it is rated for a fill pressure of 2 100 psi 145 bar Figs 7 amp 8 Cylinder Identification Maximum Fill Pressure DOT Cylinder ID Month amp Year of Manufacture Hydro Date Figure 7
46. echnical Manual Fc EN NN Fc 4 List of Tables Table Description Page L PN 12 EE e EE 73 Teo Acronyms ANG KEN 9 0 51 1 e 1 EE EE EEE E DRAE REON RREAN 13 SENT 14 Al Mak ANM Tf 5 1 Inspection and Maintenance Criteria ccccccccccececeececeseeeeseeueesecuuaueueueauaueeeevaueusueauaueusauausenens 96 ee e een E EE Se 97 7 1 Maintenance Parts Ulst 104 AQUAGYLUNG CHAPTER 1 INTRODUCTION AND GENERAL INFORMATION 1 1 Introduction This manual covers operation fitting inspection and maintenance instructions with illustrated parts breakdown for the Portable Helicopter Oxygen Delivery System PHODS Oxygen Mask Assembly part numbers 102971 72 73 74 103022 23 24 25 Ref Figure 1 1a and 103026 27 28 29 Ref Figure 1 1b 1 2 General Information The PHODS will provide needed oxygen to the user on demand when atmospheric oxygen is insufficient for the user to maintain adequate mental and or physical performance This is done by injecting a puff of pure oxygen into the mask cavity mixing it with ambient air for inhalation by the wearer to maintain needed blood oxygen levels comparable to those of sea level Use of a mask will supply an adequate oxygen mixture to users who are under mental or physical stress and who as a result will breathe through their mouths instead of their noses The Oxygen mask design includes the mounting brackets necessary to connect the mask to the HGU 56 P
47. ective However for the best seal it is advisable to use the medium narrow unless comfort makes this choice unsatisfactory 3 Fit the mask as follows WARNING An improperly fitted mask could result in a loss of altitude protection and possible injury to the wearer a Have the wearer don his her flight helmet and ensure nape and chin straps are properly adjusted If not re adjustment is essential to achieve proper mask seal Ce NOTE Proper helmet fit is essential to ensure proper mask seal and comfort b Measure eye center position to helmet edgeroll distance Distances in excess of 64 mm 272 inches may result in mask seal difficulty and or mask visor interference problems Ref Figure 4 1b This reference refers to the 56P amp 84P helmets only Other helmets may have a slightly different measurement c If the wearer is required to wear eyeglasses have them don their glasses during mask fitting Table 4 1 Mask Sizing Chart MaskSize gt Face Length A mm inches Small Narrow Lengths up to 86 99 3 31 3 43 3 Medium Narrow Medium Wide 87 to 100 3 43 3 94 Large Wide More than 100 3 94 80 PHODS Technical Manual Nasal Root Supramentale Sizing Calipers Nasal Root Deepest Impression of the Nose Line Supramentale Deepest Impression Between the Lower Lip and Chin Figure 4 1a Measuring Face Length Optimum Plunge 1 3 4 Inches To 2 Inches Center Eye Position Figure 4 1b E
48. erous malfunction of the PHODS which could result in serious injury or death This should only be done by a qualified technician AN CAUTION If moisture is found to be present inside the port opening indicating that water may have entered the PHODS first stage and cylinder DO NOT fill or attempt to use the PHODS until it has received complete inspection and any required service by a qualified technician 7 Attach PHODS cylinder to the charging equipment Fill in accordance with local instructions Ce NOTE Always fill the cylinder 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 incomplete fill after the cylinder cools If the cylinder is warm to the touch afterward the fill rate was too rapid and cylinder needs to be topped off 18 PHODS Technical Manual Pc FN NN Fc 4 Setting up the Mobile Oxygen Cylinder Refilling Station MOCRS Refer to the MOCRS manual for specific instructions General guidelines only are provided here The MOCRS consists of 2 cases with a cart and 2 separate cylinders Open both cases and remove any packing material Save for reuse Figs 13 16 Case 1 Case 2 e Oxygen generator e Oxygen compressor portion Connection lines e Connection wire e Power cord Figure 15 AQUAGYLUNG We Refer to the MOCRS Manual for detailed instructions Only guidelines are provided
49. he hole in the facepiece 2 and hardshell assembly 3 are properly aligned Ensure the facepeice is properly captured under the valve body in the grooves provided 3 Place exhalation valve nut 7 with small diameter towards the hardshell 3 on the threaded part of the exhalation valve body 6 Tighten nut using valve wrench Ensure that valve remains centered in the facepiece inlet port during installation and that the valve nut is not excessively tightened 4 Repeat step 3 amp 4 for the installation process of the inhalation valve AQUAGYLUNG we 5 Install the PHODS elbow connector through the mask as follows a Put one drop of Locktite 242 on the threads of the Elbow 15 and insert the Elbow 15 through the mask b Place the Washer 34 over the exposed threads of the Elbow 15 c Thread the Nut 16 onto the exposed threads of the Elbow 15 with the shoulder down Using the 13 mm and 17 mm wrenches in the PHODS Tool Kit PN 102968 tighten wrench tight DO NOT overtighten This will ensure the fitting is centered and sealed to the mask d Repeat steps a c for the remaining Elbow assembly e Insert the Red GMM Plug 13 into the Elbow 15 not in use This will ensure the opening remains free of contaminates Ce NOTE Ensure that the valve covers are properly installed on the valve nuts An improperly installed valve cover may cause the cover to separate from the valve nut 6 Install the valve covers 14
50. hen not breathing on the device the LED with will flash 4 times indicating no breaths have been taken in 30 seconds MANUFACTURERS RECOMMENDED PHODS POST FLIGHT CHECKLIST Check 1 Turn off the OPC by pressing the button to the OFF Mode 2 Shut the Cylinder valve off 3 Disconnect the Coiled hose from the Vest Q D connector by pushing the lever in until the Hose Q D releases 4 Remove the Coiled Hose from the PHODS Mask or Nasal Cannula by pushing the Black ring on the fitting and pulling the Hose out 5 Remove the OPC Outlet Hose from the OPC by pushing the Black ring on the fitting and pulling the Hose out Disconnect the MOLLE Strap from the Survival Vest and remove the OPC Outlet hose Disconnect the OPC Inlet hose from the Regulator pushing the lever in until the Hose Q D releases ER Remove the OPC from the pocket after unthreading the OPC inlet hose from the Survival Vest 9 Unsnap the retaining straps and remove the Regulator and Cylinder from the pocket 10 Disinfect the Mask or Nasal Cannula amp Nose Piece with Isopropyl Alcohol wipe Let Air Dry 11 Remove batteries from OPC and return all components to the proper position in the PHODS case 12 Report any discrepancies to the Qualified Technician upon return AQUAGYLUNG OO aaa N PHODS Checklist Insert DISPLAY AND ALARM INFORMATION Normal Operation Green LED single flash per breath during inhalation When you set the unit to ON m
51. her 18 from inside the mask c Remove the 90 PHODS elbow connector from the mask d Separate facepiece 1 from hardshell 5 Figure 5 2 90 PHODS elbow connector Ce NOTE Removal of Quick Change Striker assemblies during periodic maintenance is not necessary unless part replacement is required 6 Remove Quick Change Striker Assemblies 32 from upper hardshell straps and lower straps assembly by cutting tacking if tacking is present and unlacing the free end of strap through each buckle Removal of Quick Change Striker Assemblies during periodic maintenance is not necessary unless part replacement is required 5 6 General Cleaning Instructions WARNING DO NOT use clothes washing detergents of any kind i e Tide Cheer or All for cleaning oxygen masks Isopropyl alcohol may be used only where and as specified in this document DO NOT use automatic dishwashing liquids or crystals of any kind DO NOT under any circumstances use any organic solvent Methylethylketone MEK Trichloroethylene TCE etc to clean any portion of the mask or valves or other components DO NOT turn facepiece inside out during cleaning AVOID soaking straps on hardshell After the mask is assembled disinfect the mask per paragraph 4 12 WARNING Isopropyl alcohol is flammable Keep away from heat sparks and open flames Use with adequate ventilation Avoid eye and repeated skin contact Avoid prolonged breathing of v
52. here 1 Remove the components from case 2 and close case 2 2 Place the 2 K cylinders on the cart and strap them in place 3 Place case 2 on the cart then place case 1 on top of case 2 4 Connect the 2 cases together with the Umbilical cable and oxygen hose these will be keyed so that they can not be connected incorrectly 5 Connect the power cord to the unit but do not plug it in 6 Remove the caps from the K cylinders and arrange the valve outlets facing the same direction away from the cases 7 Connect the cylinders together using the tees and pigtails the line to the O2 compressor and the PHODS fill line Plug the MOCRS into power 110 120 VAC 60 hertz is required unless you are using the transformer Please note that even with a transformer 50 hertz will result in longer fill times You are now ready to fill the K cylinders Le NOTE For more specific information on the MOCRS system please refer to the user manual Filling the Supply K Cylinders To turn the MOCRS on pull on the red emergency stop button This will display the main menu on the touch screen Touch the Control Screen icon on the touch screen and the screen will display the controls To start the MOCRS touch the Turn On icon then touch the Push To Start icon the unit will now start the small compressor and you will see some flashing on the touch screen this is normal The MOCRS is now going thru a warm up and stabiliza
53. i Figure 8 WARNING DO NOT attempt to fill the PHODS if the cylinder markings indicate that it is assembled with a nonstandard cylinder rated for a different fill pressure than 2 100 psi 145 bar Doing so may result in rupture or explosion in the event of fire or overfilling Instead immediately return the unit to a qualified technician and do not use under any circumstances 3 Disconnect the OPC supply hose by depressing lever of the Q D connector on the bottle regulator Fig 9 Figure 9 AQUAGYLUNG K 4 Turn the valve handwheel counterclockwise until it is completely open ONT position To ensure the valve is open verify that the red the indicator ring is not visible through the slot in the handwheel Figs 10 amp 11 Ce NOTE The unit may be charged with the valve closed however the gauge will not indicate any pressure This mode is not recommended Figure 10 Valve Shut Figure 11 Valve Open 5 Unscrew the fill adapter cap from the fill adapter port Fig 12 Figure 12 Fill Port amp Cap 6 Closely inspect the port opening to ensure that no debris residue or moisture is found to be present Cleaning with isopropyl alcohol will help ensure the surface is clean of contaminants Ensure the alcohol is completely evaporated prior to charging the unit WARNING Do not attempt to loosen or remove the first stage Q D connector or safety burst plug under any circumstances Doing so could result in a dang
54. iately Figure 45 32 PHODS Technical Manual mA NN NN Fc 4 ALARM INFORMATION When setting the unit to ON mode the user should wear the cannula Otherwise even when below the 10 000 feet threshold the Apnea alarm is ON and will detect that no one is breathing causing the alarm to activate the Apnea alarm with the flashing Green LED The unit is calibrated for up to 45 BPM Breaths per Minute in all active switch positions Ce NOTE The OPC M1 unit is programmed to start operation once it senses a pressure altitude of 8 000 500 ft PA Due to the differences in barometric pressures and other factors where the unit may be operating the OPC M7 is guaranteed to start operation at and over 10 000 ft PA BATTERY CHECK Initial Start up The OPC M1 provides a battery and system check when the unit is first turned on Normal Operations If the batteries and system are ok the Green LED will flash multiple times and the audible alarm will sound and cease This is the only time the audible alarm should be heard lf during the start up check the unit senses the batteries have less than four 4 hours duration remaining the audible alarm will continue the LED will continue to flash rapidly and the solenoid valve will continue to pulse Severely depleted batteries will only flash the LED AQUAGYLUNG e Portable Helicopter Oxygen Delivery System MISSION KIT PN 102936 Figure 46 The Mission Kit provides up to
55. iled hose assembly The oxygen cylinder is a Department of Transportation DOT certified steel cylinder that is placed in a pocket made from fire resistant material that is attached to the crew membere Survival Vest Oxygen is delivered from the cylinder via a regulator to the OPC M1 unit powered by 2 AA batteries The OPC M1 automatically provides a predetermined amount of oxygen when it senses a pressure differential caused by the user s breathing and contains an internal barometer that detects changes in altitude When the system is turned on it will become active at 8 000 500 feet ft pressure altitude PA and will start to deliver measured quantities of oxygen to the crew member between 8 000 ft PA to 10 000 ft PA The OPC M1 will continue to deliver oxygen up to 18 000 ft MSL When the aircraft altitude drops below 8 000 500 ft PA the unit will de activate APHODS mask may be used in lieu of the nasal cannula when operational and individual physiology conditions dictate However the mask is not recommended for routine high altitude operations since this configuration will consume the limited quantity of oxygen provided by the basic PHODS at an increased rate PHODS has been tested and approved for use on US Army Chinook CH 47 Blackhawk UH 60 and Apache AH 64 aircraft Ce NOTE The OPC M1 unit is programmed to start operation once it senses a pressure altitude of 8 000 500 ft PA Due to the differences in barometric pressures and
56. ince Le NOTE Chrome dial gauge used for clarity it was last serviced CAUTION Use only a plastic or brass o ring removal tool p n 944022 when removing o rings to 4 With the gauge removed slowly open the ON OFF valve and prevent damage to the sealing surface Even a small bleed any remaining pressure from the bottle Leave the valve scratch across an o ring sealing surface could result open This is required due to the design of the regulator to pre in leakage Once an o ring sealing surface has been vent moisture from entering the system damaged the part must be replaced DO NOT use a dental pick or any other steel instrument except where instructed PHODS Regulator Disassembly 1 If not already done disconnect the OPC Q D hose 36 from the Q D connector 9 by depressing the lever and lightly pulling the Q D connector hose out Set the OPC aside 5 The Q D connector 9 is not normally removed unless leak i age is discovered If required remove the Q D connector using a 5 8 crowfoot wrench PN 103009 Remove any residual teflon tape remaining on the Q D connector Inspect the body and remove any teflon tape residue 2 Install the IP gauge into the Q D connector 9 Turn the unit on and use the vent valve on the IP gauge to depressurize the cylinder to zero 0 psi SLOWLY prior to maintenance Shut the ON OFF valve once zero psi is reached CAUTION The release lever button on the Q D c
57. ing at Mode and night for increased night vision Delivery l Method Do not use Figure 44 WARNING The OPC M1 LED is Night Vision Goggle NVG compatible and therefore difficult to see through the NVG The LED should be viewed with the unaided eye The OPC M1 should be mounted on the Survival Vest in a location that will allow direct viewing of the LED indicator light The LED should be periodically checked to ensure proper operation during flight at altitudes requiring supplemental oxygen OTHER OPC FUNCTIONS DISPLAY AND ALARM INFORMATION There is a green LED display on the OPC M1 A lighted Green LED indicates oxygen flow for every breath during inhalation A flashing Green LED indicates a flow fault apnea condition or low battery To determine what the LED is indicating refer to the guide that is provided on the back of the OPC unit The following alarm information is provided See Fig 45 AQUAGYLUNG FLOW FAULT ALARM Coinciding with your inhalation the OPC M1 will produce a two second flashing Green LED to indicate that the oxygen flow from the cylinder has stopped This typically means that 1 The oxygen supply is depleted 2 The supply line has been pinched closed 3 The supply line is plugged up or disconnected 4 The valve has failed to open APNEA ALARM After 30 seconds of undetected breathing the OPC M1 will produce a visible Green LED 4 flashes Apnea alarm every four seconds until breathi
58. it Static ports 4 DO NOT COVER Green LED indicator for User 5 Upon successful completion of the OPC Operational test push the three 3 times to turn the OPC OFF AQUA JLuNG HOSE REPAIR PHODS Mask 1 To remove the Oetiker clamp 1 The PHODS Tool Kit PN 102968 contains the tools a Assemble the 4 in 1 Screwdriver with the large required for the maintenance of the PHODS Mask including the flathead dui inhalation amp exhaust valves the inlet elbows and the microphone maintenance b Slide the 4 in 1 Screwdriver under the tab of the Oetiker Clamp carefully to avoid injury and lift the tab until the 2 For general maintenance of the PHODS Face Mask see clamp disengages from itself Appendix A c Lift the end of the Clamp up and remove it If you slide it up the small spring section of the clamp may puncture the outer case of the hose d Soak the end of the hose in hot water for 1 minute e Remove the hose end from the hot water Wrap the fitting with a clean towel and remove the fitting by pulling it from the end of the hose Avoid direct contact with the hot water 2 To install the new hose fitting a Slide the Oetiker Clamp up the hose no more than zo b You may have to twist the clamp but use caution not to slide the outer cover of the hose up if you do pull the outer jacket back into place NOTE The Coiled Hose has no outer jacket c Push the appropriate fitting into the hose until
59. it stops d Work the clamp down to within 7 of the fitting collar e Using the provided Oetiker Clamp Pliers squeeze the protruding part of the clamp until it stops f lnspect the hose assembly and ensure there are no cuts or bunched hose 3 To repair P N102958 Hose Assy OPC Outlet a Follow step 1 a through 2 f for the Q D fitting b To prepare the end that goes into the OPC using a very sharp knife or razor knife carefully cut around the black outer jacket of the hose 5 8 from the end and remove the black outer cover e OPC Outlet Hose Clamp P N102947 CLAMP OETICKER STEPLESS 8 7MM e Coiled Hose Clamp P N 102946 CLAMP OETICKER STEPLESS 7MM WARNING DO NOT modify or alter the length of any hoses or tubing This should only be done by a qualified technician using original manufacturer hose assemblies WARNING DO NOT increase or decrease the length of the Nasal Cannula or the coiled hose The removable Nose Piece may be trimmed for comfort 52 PHODS Technical Manual mA PN Fc PN 1 Modifying MFS for use with PHODS Mask 1 Remove the existing latch assemblies by removing the screws and posts that secure hinges to the MFS See Fig 50 2 Using a 20 drill bit ream out the existing holes in the MFS Do not make holes any wider than 20 drill bit 3 Insert the quarter turn fastener stud into the MFS so that the screw head portion is positioned on the outside of the MFS Figure 50 4 While holdi
60. l only go just to the green or next to it This is acceptable provided the unit is charged on a calibrated system 22 PHODS Technical Manual SYSTEM SET UP To conserve the limited oxygen supply of the PHODS it is required that you perform a preflight inspection of the system as follows prior to donning the Survival Vest WARNING The OPC M1 LED is Night Vision Goggle NVG compatible and therefore difficult to see through the NVG The LED should be viewed with the unaided eye The OPC M1 should be mounted on the Survival Vest in a location that will allow direct viewing of the LED indicator light The LED should be periodically checked to ensure proper operation during flight at altitudes requiring supplemental oxygen A WARNING Crew members are required to periodically check the amount of oxygen A remaining in their PHODS cylinder A WARNING PHODS oxygen cylinder may burst from impact of small arms fire resulting in overpressure shock shrapnel injury and or flash fire WARNING The OPC M1 does not provide an indication of remaining battery life Ensure new batteries in the PHODS during Pre flight WARNING Failure to breathe properly through the nose while using the cannula may result in oxygen deprivation CAUTION When donning the flight equipment ensure all PHODS straps and hoses are properly secured to the Survival Vest to prevent snagging during egress CAUTION PHODS operation has not been verified belo
61. ll be routed under the MOLLE straps on the Survival Vest See Figs 23 amp 24 Ge E i ial Ne Figure 23 Figure 24 9 Prior to inserting the oxygen output end blue tipped of the OPC Outlet Hose into the 6mm Out connector on the OPC M1 route the hose under the MOLLE straps on the Survival Vest prior to connecting to the OPC Push the Blue Tipped Outlet Hose into the 6mm Outlet connector on the OPC until it stops Attach the Q D fitting of the Outlet Hose using the MOLLE strap to the Survival Vest Attach the input hose to the Hook and Loop fastener See Figs 25 amp 26 i d VS At Geh 14 4 1 i Figure 26 bi CAUTION DO NOT pinch the outlet hose when inserting it into the Out connector AQUAGYLUNG e REMOVING THE TUBING To remove the tubing push in slightly on the tubing then push in the connector collar 1 while you pull gently on the tubing to remove it 2 See Fig 27 A m gt bel Ei F SS Er E E NASAL CANNULA MOUNTING If the Nasal Cannula is not mounted in the helmet it must be mounted prior to use of the Helmet Use the instructions provided on page 51 to mount the Cannula Clip on the inside of the lower right lobe of the helmet 1 Shown is the Nasal Cannula Mounting Clip for the HGU 56 P Helmet installed on the inside right dome of the helmet See Fig 28 2 This is the Mounting Clip and the Nasal Cannula interface To mount the Nasal Cannula align the in
62. ly purge the Nitrogen out before use may lead to Hypoxia and possible death Units must be Tagged and segregated from operational units to prevent accidental use 1 Upon initial receipt if the system has been breathed down to ZERO psi and contamination may be suspected or after the annual regulator overhaul the PHODS regulator and cylinder will need to be purged prior to use This will remove air from the unit and replace it with breathable oxygen or oil free nitrogen for storage must be tagged and identified when purged with Nitrogen 2 Remove the PHODS cylinder and regulator from packaging initial receipt 3 Inspect the unit for any damage 4 Remove the charging adapter cap Inspect the charging adapter for dirt debris or oil If present return the unit to the technician for cleaning 5 In accordance with local procedures connect the oxygen supply to the PHODS cylinder and regulator charging adapter 6 Connect the intermediate pressure IP gauge to the Quick Disconnect QD on the PHODS regulator 7 Open the PHODS regulator valve LS NOTE When charging the PHODS cylinder DO NOT exceed 200 psi per minute charging rate 8 In accordance with local procedures SLOWLY charge the PHODS cylinder with 500 psi of oxygen Secure the oxygen charge 9 Using the vent valve on the IP gauge vent the oxygen from the cylinder SLOWLY until the dial gauge on the PHODS regulator reads 0 psi and no pressure is venting out Close th
63. means it is cross centers of the square notches Then turn an additional 90 de threaded In this case remove the retaining nut and start again grees This is critical to align the handwheel 21 with the valve stem 12 during installation and allow full range of motion for the valve after assembly 22 Place a new lubricated o ring 28 on the fill port 29 Ensure itis installed in the groove 46 PHODS Technical Manual 23 Using a 9 16 socket PN 103006 attached to a torque 27 Torque the Q D connector 9 with torque wrench and a 5 8 wrench tighten the fill port to 120 3 inch pounds 13 6 3 Nm crowfoot PN 103009 to about 60 3 in Ibs 6 78 3 Nm or until the lever is near the up position If required use the 5 8 crowfoot PN 103009 and flex wrench PN 103045 to rotate the Q D con nector clockwise so the release lever is in the up position 24 CAUTION The lever button can be damaged if the wrench placement is not correct DO NOT OVER TIGHTEN This Concludes PHODS Regulator Assembly E gt NOTE Chrome pressure gauge used for clarity 25 Thread the dial gauge 30 into the upper HP port and tighten using a 7 8 crowfoot PN 9 43628 on torque wrench Torque to 90 5 inch pounds 10 2 6 Nm AN CAUTION Avoid damaging the fill port adapter with the wrench 26 If removed wrap the Q D connector 9 with 3 1 2 to 4 1 2 revolutions of oxygen compatible 1 4 Teflon
64. mill 42 Va Military amp Professional Operations PHODS Portable Helicopter Oxygen Delivery System pa N Cp ke Technical Manual Rev 01 11 2 PHODS Technical Manual Fc NN NN Fc 4 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 without prior consent in writing from Aqua Lung International Inc 2011 AQUA LUNG AMERICA Portable Helicopter Oxygen Delivery System PHODS Technical Manual P N 103047 PHODS P N 102935 You can contact a Technical Advisor via e mail at rbedard aqualung com jminton aqualung com dlockhart aqualung com dstancil aqualung com TRADEMARK NOTICE Aqua Lung is a registered trademark of Aqua Lung America Inc MH is a registered trade mark of Mountain High Equipment amp Supply Company NOTICE OF NON LIABILITY Before the Portable Helicopter Oxygen Delivery System PHODS is put to use it is the responsibility of any user who will use this device to become familiar with the operation and safety aspects of this device Using the system improperly could cause failure and lead to possible property damage and or personal injury Aqua Lung America assumes no responsibility for property damage accidents injury or death that may result from the misuse of this device or equipment This includes
65. mination and for cleanliness Ref paragraph 4 12 Checkout and testing Ref paragraph 4 13 of the mask shall be accomplished whenever a Maintenance procedures in Chapter 5 of this manual have been performed b Mask is initially issued placed into service C The mask has not been used for 30 or more days d The mask or any sub assembly components malfunction 4 3 Sizing For the 102971 thru 102974 there are four mask sizes from which to choose for achieving an optimum fit Ref Table 4 1 A measurement caliper is used to determine the initial choice of mask size Select a mask size using the procedures as described in paragraph 4 4 AQUAGYLUNG da 4 4 Measurement and Fitting WARNING An improperly fitted mask could result in a loss of altitude protection and possible injury to the wearer 1 The subject s facial muscles should be relaxed and jaws should be positioned as comfortably as possible when wearing a mask Using measurement calipers measure the distance from the nasal root to the supramentale Ref Figure 4 1a If using a non scaled caliper lay caliper onto a ruler or similar scale to determine length Compare measurements to a standard millimeter scale and determine the size of the mask to be fit 2 Select the initial size mask as indicated by the measurements A person near a size boundary should try both sizes for comfort before selecting one for fitting The choice of medium narrow or medium wide is subj
66. mplished by the Portable equipment technician 1 Check for proper operation of the exhalation valve by breathing normally 2 Verify the communication components are operating and sound is heard through the helmet earphones 3 Following mask checkout disinfect the mask per paragraph 4 12 AQUAGYLUNG K 4 14 Microphone Assembly Adjustment Le NOTE The 103022 thru 103025 masks use the modified M 169A AIC 5 ohm microphone Refer to the following for informational guidance on how to achieve optimum voice and speech intelligibility performance of the mask mounted microphone This information applies to the GENTEX modified M 169A AIC microphone 9 1 When viewing into the internal mask cavity the microphone element should have the word FRONT facing the aircrew member indicating talk side Ref Figure 4 7a 2 To achieve best operating performance the microphone element should be positioned no more than 6 4 mm 4 inch away from the lips Additionally the element should be centered between the inhalation and exhalation valves Ref Figures 4 18 and 4 19 3 Some wearers may experience slight discomfort if the microphone element is touching their lips and mouth This can be remedied by moving the element from side to side within the mask cavity Background noise may be picked up in the communication system if the element is placed directly over the inhalation or exhalation valve INOdS Figure 4 18 Figure 4 19 Mi
67. n AQUAGYLUNG w i 103022 Small Narrow 103023 Medium Narrow 103024 Medium Wide 103025 Large Wide Figure 7 1 PHODS Oxygen Mask HGU 84 P Close up A 90 PHODS Elbow Connector Close up B Microphone Assy Attachment Actual Buckle Black ME S78 33 Al q p a BOTH SIDES hoeoo 103026 102971 Small Narrow 103027 102972 Medium Narrow 103028 102973 Medium Wide 103029 102974 Large Wide SIO BOTH SIDES Figure 7 2 PHODS Oxygen Mask HGU 56 P Usage Parts Location 108 PHODS Technical Manual Viaintenance Notes AQUAGJLUNG ae Viaintenance Notes PHODS Portable Helicopter Oxygen Delivery System Agua gt Lunc Military amp Professional Operations 2340 Cousteau Court Vista CA 92081 Phone 760 597 5000 Fax 760 597 4900 www aqualung com militaryandprofessional 2011 Aqua Lung International Literature P N 103047 Rev 01 11
68. n press the I Figure 39 button once The display will change to ON mode This will power up the unit and make it operational for normal use Press the I button once more and the unit will change to R M mode Press the T button again and the unit will change to F20 mode To return the to a previous mode press the button Continue to press the to return the unit to the OFF position See Figs 39 43 OFF Mode To return to the OFF Mode from any operational mode push the button repeatedly until OFF is displayed See Fig 40 I Push Button Push Button Figure 40 Switch set in the OFF setting AQUAGYLUNG gw ON MODE In this setting the OPC M1 will immediately start the standard oxygen flow providing pulses of oxygen appropriate for an individual using a cannula when the unit is between 8 000 500 ft PA to 10 000 ft PA It will continue to pulse oxygen until the unit returns below 8 500 ft In this mode the OPC M1 may not provide a pulse with every inhalation based on your inhalation rate this is part of normal operation The OPC M1 at power up will allow up to 20 BPM As the user breathes faster the unit will compensate and allow up to 45 BPM See Fig 41 e Flow start between 8 000 500 ft PA to 10 000 ft PA f e Use with Cannula e Altitude Compensating Yes Figure aa Ce NOTE The OPC ON mode is designed to provide the amount
69. n the tool kit to properly adjust the Torque Driver 3 Install a new 6mm fitting with gasket 39 Using the torque screwdriver PN 103014 and 3mm hex socket PN 103008 Torque the 6mm fitting to 17 in Ibs 2 eS NOTE White connectors used for clarity This completes the disassembly of the OPC amp Hoses clean as required in accordance with Procedure A Cleaning and Lubricating P 56 SI00W NOLLYHIdD S200W NOLLVHIdD OPC M1 Assembly 1 Using Kit PN 102950 install the new filter rough side up amp spring 38 inside the OPC M1 Install a new o ring 37 on the end of the hose 36 Ce NOTE The 6mm fitting comes with the gasket 39 installed Shown separate for clarity 4 Install a new o ring 34 on the end of the 90 fitting 5 Install the o ring 34 on the end of the coiled hose fitting i J R EEE KS e This side This side faces faces out up in down Cer NOTE White connectors used for clarity 50 PHODS Technical Manual Battery Replacement 1 Connect the OPC M1 amp Inlet Hose 40 to the Regulator and Cylinder Connect the Outlet Hose 35 to the OPC Connect the 1 Remove the battery door by pressing down gently on the Coiled Hose 33 to the Outlet Hose 35 Connect a Cannula 32 battery cover flange slide the door out and away from the unit to the Coiled Hose 33 The OPC M1 unit uses two 2 AA alkaline batteries Insert the bat
70. ng quarter turn fastener stud place MFS Latch and Hardware split ring retainer over the tip of the post See Fig 51 quarter turn fastener stud 5 Align retainer installation tool over split ring retainer See Fig 52 plit Ring Retainer Figure 51 Y Turn Fastener Post and Retainer 6 Apply pressure and twist the retainer installation tool until split ring retainer snaps into position See Fig 53 7 Repeat steps 4 thru 6 for remaining holes in MFS 8 MFS is ready for PHODS Mask hardware attachment Figure 52 Figure 53 Installation Tool Alignment Lo Turn Fastener Installation AQUAGJLUNG 7 CANNULA CLIP ATTACHMENT INSTRUCTIONS Tool required e Scissors e Drill e Ruler with 1 8 inch graduations e Drill bits 1 16 9 64 and 3 16 e Pencil Short handled e Philips screw driver e Clear tape 1 On the right ear lobe of the helmet measure 3 4 inch from the bottom edge of the helmet in two places and connect with a horizontal line See Figs 54 amp 55 Figure 54 Installation Template Instructions See Fig 56 feo ign 63 edge 2 Cut a piece of paper approximately 3 75 L x 1 5 W 3 3 4 4 Gen with Lx11 2 W See Fig 55 3 Place the paper with the long length vertical per Fig 56 SES 4 Draw a line across the paper 0 75 3 4 from the bottom 5 Draw a vertical line 0 5 1 2 in from the left side of the paper so it crosses the line previously draw across the bottom
71. ng resumes This typically occurs for the following reasons 1 The user has quit breathing for 30 seconds 2 The cannula face mask is improperly worn 3 The outlet tube from the OPC M1 to the mask or cannula has become disconnected 4 The outlet tubing has become pinched or is plugged off LOW BATTERY Normal Operations no audible The OPC M1 will operate for approximately 100 hours with a fresh set of alkaline batteries under normal operation The OPC M1 provides 3 levels of low battery warning 1 First warning will occur when the battery level reaches approximately 4 8 hours remaining and will appear as a single flash of the Green LED every 2 seconds The unit will continue to operate properly for about 4 8 hours at 70 F 25 C after the indicator starts to flash Replace batteries as soon as practical 2 Second warning occurs approximately 1 2 hours remaining The Green LED will double flash every 2 seconds Batteries must be replaced as soon as possible 3 Within the last approximate 1 hour of battery life remaining the oxygen flow will stop and batteries must be replaced IMMEDIATELY A FLASHING GREEN LED INDICATES A FLOW FAULT OR FAILING BATTERY Flashing Green Indicates oxygen flow fault Green Flashes 4 Times Indicates breathing not detected within last 30 seconds LOW BATTERY WARNING LED Flashes Every 2 Seconds Battery Is low LED Double Flashes Every 2 Seconds Batteries are failing Replace batteries immed
72. nnnennuvnnunen 38 OGIO ei og EE T E EE EA 38 Ee 38 FAT NE ee eee er ne eee eee ee ee eee eee ee eee 38 General SOY CII ONS EEE EEEE a EOE 38 Initial Inspection Procedure External InspechHon nenne 39 ee LE 39 bee PN 39 PHODS Regulator Disassembly iccsvictssusnoteridctanantasanenanins intis sek sennaatniantactessieasacttsecieendtscenctatennaebionss 40 PHODS Regulator Assembly EE 43 PENN 47 OXYGEN PULSE CONTROLER OPC M1 rennnnnennnnnnnnnnnnnnennnnnnnnnnennnnnnnnnnennnnnnnnnnennnnnnunnnennne 48 PE ANG OSC ee 48 SEL GLA FRO Wall E 48 FPU DENN 48 FN 49 Battery br 50 POSE RED AI cesesse cece bog eq oeedentincee neces noves E E EE 51 AQUAGYLUNG FAODS MASK oia E aeaeacasusinsous caceceauavectiescususessaseueneacatavcmadnaseostatvensnsensacgntuece 51 MODIFIYING THE MFS FOR USE WITH PHODS MASK i rrvnnnnrrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnee 52 CANNULA CLIP INSTALLATION INSTRUCTIONS i rerennnrrnnnnnrvnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnennnnnnnnne 53 EC Re ER e ER CH ele len tU 56 TABLE 2 TORQUE SPECIFICATION S pendel ednand pimmnadaie 57 TABLE 3 TEST BENCH SPEGCIFICATIONS runnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnennnnnnnennnner 57 TABLE 4 RECOMMENDED CLEANERS AND LUBRICANTS rvnnnnervnnnnennnnvnnennnnvennnnnnnnnnnnr 57 TABLE 5 LIST OF TOOLS AND SERVICE KITS rmennnnnrnnnnnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnr 58 SPECIFICATNONS era E E 61 PROCEDURE A CLEANING AND LUBRICATING anunnnnnnnv
73. nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnennnnnne 62 STORING THE PE RE 64 STORING THE PROD S SYSTEM susen ea Ea Kaa 64 CARE AND MAINTENANCE sssnaassnnnunnnnunnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnnm eebe 64 PHODS REGULATOR Ce NEE UE 65 APPENDIX A PHODS MASK ASSEMBLY OPERATION amp MAINTENANCE INSTRUCTIONS 66 APPENDIX A TABLE OF EEN EEN Tess besse Ces 67 APPENDIX A LIST OF Eege 69 APPENDIX A LIST OF TABLES siiniga oo aaao ieas aana aiaa asaan 70 MAINTENANCE NOITE Sr 108 PHODS Technical Manual CHANGE RECORD Change O Title or Description Change made by 01 0 08 13 09 amp 13 Added WARNIN Nitrogen Purge Para 1 Added Nitrogen purge option Pg 23 Nasal Cannula Mounting para 1 insert instructions provided on pg 51 Pg 10 amp 32 Add NOTE The standard Maxil Aqua Lung lofacial Shield may be converted for use with the PHODS mask system by following the instructions on page 50 of this manual Pg 50 Add procedure to modify MFS to PHODS Mask use Pg 51 Add new procedure to attach Cannula D LO 10 06 09 Pg 28 Fig RETTE RM to read increases Aqua Lung 04 29 10 Pg 32 Added Ports can be reversed to ac Aqua Lung comodate right or left side installation of the PHODS inlet hose 02 09 01 10 Pg 58 Replaced upper tool tray picture to reflect new tool Add Retainer Installation Tool to Tool list Pg 64 Added Appendix A PHODS Mask 3 A 5
74. nstead discharge the cylinder completely and return it to a qualified technician for inspection and possible hydrostatic testing WARNING DO NOT attempt to overfill the PHODS beyond 2100 psi 145 bar at 70 F 21 C Doing so may seriously weaken the cylinder and cause it to rupture resulting in serious injury or death WARNING DO NOT attempt to fill the PHODS if the cylinder markings indicate that it is assembled with a nonstandard cylinder rated for a different fill pressure than 2 100 psi 145 bar Doing so may result in rupture or explosion in the event of fire or overfilling Instead immediately return the unit to a qualified technician and do not use under any circumstances WARNING DO NOT attempt to fill the PHODS from a supply cylinder which is not regulated to 2 100 PSI 145 BAR Doing so may weaken and damage the safety burst plug assembly and or PHODS cylinder WARNING If Nitrogen is used to purge the PHODS for storage failure to properly purge the Nitrogen out before use may lead to Hypoxia and possible death Units must be Tagged and segregated from operational units to prevent accidental use WARNING Disinfect oxygen mask after each use to avoid bacteriological contamination and for cleanliness Ref paragraph 4 12 WARNING An improperly fitted mask could result in a loss of altitude protection and possible injury to the wearer AQUAGYLUNG i i WARNING Wear eye protective goggles when drilling holes in
75. ntainer closed when not in use 4 Hold base portion of the valve assemblies and gently swish in the container filled with cleaning solution Normally only a few seconds are required to remove stains and residue Use a gauze pad or other lint free wipe moistened with the solution and wipe the valve nuts and valve threads until they are clean 5 Gently rinse the valves by swishing in the container of clean water 6 Use a cotton swab lightly saturated in 70 Isopropyl alcohol if needed to remove stubborn residue Lightly rub the exhalation plate of the exhalation valve and the anti suffocation valve poppet 7 Gently shake excess fluids from the valves and let air dry until residual alcohol and water have fully evaporated 5 9 Mask Re assembly Ref Figures 7 1 amp 7 2 Ce NOTE Ensure exhalation valve 6 is returned to the proper hole of the facepiece Valve should be opposite from PHODS OPC inlet fitting D in use The soft rubber facepiece 2 acts as the gasket for sealing the valve Ensure the facepiece material is not pinched between the valve threads and the hardshell 3 CAUTION Carefully align slots on the valve with the two small key tabs on the hardshell port Damage can occur if not done properly 1 Insert facepiece 2 into hardshell assembly 3 and align valve holes 2 Taking note of aligning keyways insert the threaded part of the exhalation valve 6 through the mask from the inside ensuring that t
76. o dry Cut off excess edge beading with shears e Rub off any excess adhesive with a clean cloth Edge Beading Edge Beading Figure 4 14 MFS Edge Beading 94 PHODS Technical Manual 4 7 6 2 Replacing Striker a Referring to Figure 4 15 remove screws and posts attaching the striker to be replaced Figure 4 15 Striker and Hardware b Install the new striker with the screws and posts 6 32 x 0 053 supplied in the hardware kit applying a drop of white glue to the threads of each screw 4 7 6 3 Replacing Latch Assembly a Referring to Figure 4 16 remove the latch assembly by turning the quarter turn fastener stud 1 4 turn See pg 52 if replacement of the quarter turn fastener stud is required Quarter turn fastener stud Quarter turn fastener stud Figure 4 16 Latch and Hardware AQUAGYLUNG ge b Attach the replacement latch assembly to the shield with the quarter turn fastener stud in the shield by aligning them with the holes in the latch assembly and turning them 1 4 turn DO NOT OVERTIGHTEN Damage to the retaining quarter turn fastener stud will occur See Figure 4 17 Latch and Hardware G Figure 4 17 Maxillofacial Shield Assembly 4 7 6 4 Cleaning MFS Wipe with a clean cloth dampened with a mild soap solution 4 8 Mask Adjustment and Testing 1 Upon achieving a good mask fit to the wearer further adjustments and mask testing are required Connect the PHODS Cylinder amp Regulat
77. ode you must wear your cannula or face mask Even though you are below the 10 000 feet threshold the Apnea alarm is ON and will detect that no one is breathing causing the alarm to activate with the flashing Green LED The unit is calibrated for up to 45 BPM Breaths per Minute in all active switch positions FLOW FAULT ALARM Coinciding with your inhalation the OPC M1 will produce a two second flashing Green LED to indicate that the oxygen flow from the regulator has stopped APNEA ALARM Green LED 4 flashes every four seconds to indicate that breathing has not been detected within the past 30 seconds and will continue to flash until breathing is resumed LOW BATTERY The OPC M1 provides 3 levels of low battery warning 1 The first warning Green LED will single flash every 2 seconds 2 The second warning Green LED will double flash every 2 seconds 3 Within the last approximate 1 hour of battery life the oxygen flow ill stop BATTERY CHECK When OPC M1 is turned on Green LED will flash rapidly and an audible alarm will sound and cease verifies the batteries and circuits are working If the Batteries are low LED will continue to flash Alarm will continue to sound amp Solenoid valve will continue to cycle Replace Batteries Severely depleted batteries will only flash the LED Figure 49 Pilot s or crew s knee board See Fig 49 Copy and cutout for u
78. of oxygen needed by an average size healthy person using a cannula at the given altitudes your needs may be different R M RESERVE MANUAL R M for Reserve or Manual mode provides the maximum oxygen flow regardless of altitude In this mode the OPC M1 may not provide a pulse with every inhalation based on your inhalation rate this is part of normal operation The R M Mode will not be used above 16 000 ft See Fig 42 e Flow start All altitudes e Use with Cannula or face mask e Maximum Altitude of 16 000 ft e Altitude compensating No e Reduced system duration when used Figure 42 F20 MODE PHODS MASK The F20 mode is called the PHODS mask setting It supplements the standard oxygen flow by adding to the OPC M1 s perceived altitude The F20 mode is designed to be used with the PHODS Mask the consequence of the F20 mode is a higher consumption of oxygen See Fig 43 e Flow starts All altitudes e Use with PHODS mask e Altitude compensating Yes Figure 43 30 PHODS Technical Manual Hm NN ad OXYGEN DELIVERY MATRIX This Matrix is provided to assist aircrew members in selecting a delivery method for the projected operational consumption of oxygen See Fig 44 DELIVERY MODE MATRIX PLO OVV WORK LOAD FEA NORKLOAD OP WE al a r PE Q ODIN F20 F20 OK Flight Altitude Preferred R M may be used below 10k for heavy smokers or while fly
79. of the helmet to remove all debris resulting from drilling 23 Don the helmet and check the operation of the MFS AQUAGJLUNG 31 24 Adjust the microphone boom as necessary so that it can be placed behind the MFS as shown in Figure 4 11 To do this loosen the knurled knob on the boom swivel move the boom forward or back until it can be placed into the recessed space of the MFS and tighten the knurled knob aj Boom Swivel Recessed Space of MFS Figure 4 11 Boom Adjustment 4 7 1 Trimming MFS for ANVIS Compatibility 1 Have the crewmember don the helmet and attach the MFS 2 Attach the night vision goggles to the ANVIS mount 3 Remove the lens caps and lower the night vision goggles If the goggles clear the MFS and are properly positioned over the eyes no trimming is needed If the goggles contact the shield trim the shield as follows 4 Mark a trim line on the shield by tracing along the edge of the goggles where they contact the shield Figure 4 12 shows an example of areas to be trimmed on a shield 5 Stow the goggles and remove the shield Trim Lines Figure 4 12 Areas to be Trimmed 92 PHODS Technical Manual WARNING Wear eye protective goggles when trimming the MFS or chips of the MFS may injure the eyes Wear a respirator when trimming the MFS or harmful airborne particles may be inhaled Ce NOTE Trim the MFS with the edge beading left in place You will cut through the edge beading
80. onnector can be damaged if the wrench placement is not correct 6 Remove the safety plug 10 from the first stage body 8 using a 3 8 socket PN 9 43001 and flex wrench PN 103045 Discard 3 Remove the dial gauge 30 using a 7 8 crowfoot wrench PN ihe safety plug DO NOT REUSE 9 43628 and flex wrench PN 103045 Turn counterclockwise Remove and discard the pressure gauge o ring 28 AQUA JLuNG 7 Unscrew the fill port cap from the fill port Using a 9 16 10 Using a 3 4 socket PN 103007 and flex wrench socket PN 103006 and flex wrench PN 103045 remove the fill PN103045 unscrew the bonnet 18 from the first stage body port 29 and discard the o ring 28 8 Pull the valve stem 12 out of the bonnet 18 CAUTION Some components in the bonnet assembly may remain in the bonnet or come out of the bonnet when removed from the body 11 Remove the backup ring 16 o ring 15 washer brass 14 and washer teflon 13 from the stem Discard all items except the washer brass 14 once removed from the valve stem Re move and discard the o ring 17 from the bonnet 18 8 Unscrew the handwheel retaining nut 24 using a notched medium flat blade screwdriver PN 941586 12 Insert the squared end of the valve stem 12 into the seat disc assembly 11 and unscrew the seat disc assembly 11 from the first stage body 8 Discard the seat disc assembly DO NOT REUSE
81. operly secured 2 Inspect all parts of the mask for wear cracks tears or holes and the presence of foreign matter Give particular attention to the condition of fits and seals at any opening in the facepiece or oxygen delivery system that must hold pressure during operation 3 Inspect oxygen mask valves without removing from mask for damaged parts Inspect for any build up of foreign matter on the valve plates If valves are extremely dirty remove per paragraph 5 5 and thoroughly clean per paragraph 5 6 4 Inspect upper and lower straps and the rivets securing the lower straps to the hardshell for evidence of frays or damaged material 5 Clean and disinfect mask in accordance with paragraph 4 12 WARNING Disinfect oxygen mask after each use to avoid bacteriological contamination and to ensure maximum cleanliness 4 12 Disinfection 1 Use gauze pads or other lint free wipes moistened with 70 isopropyl alcohol to disinfect 2 Disinfect the outside and inside of the oxygen mask Be sure the disinfectant reaches all the areas that will come into contact with or be in the immediate area of the face 3 Wipe surfaces until dry or allow to air dry 4 Ensure that the mask is fully dry before placing into storage bag and container and returning to the aircrew member 4 13 Mask Operation Checkout Following post flight inspection routine maintenance or component replacement a functional check of the mask should be acco
82. or 6mm amp Washer 19 inne 108317 Ring On Off Indicator 40 isen 102970 Controller OPC M1 w hose 20 geg 108326 Washer Stem Top Nylon NS 103066 OPC M1 Battery Door Part numbers in BOLD ITALICS indicate standard overhaul replacement part 66 PHODS Technical Manual Fc EN NN Fc 4 APPENDIX A PHODS MASK ASSEMBLY OPERATION AND MAINTENANCE INSTRUCTIONS WITH ILLUSTRATED PARTS BREAKDOWN AQUA LUNG AMERICA PART NUMBERS PN 102971 MASK ORAL NASAL W 56P SM N PHODS PN 102972 MASK ORAL NASAL W 56P MD N PHODS PN 102973 MASK ORAL NASAL W 56P MD W PHODS PN 102974 MASK ORAL NASAL W 56P LG W PHODS PN 103022 MASK ORAL NASAL W SNAP MOUNT SM N PHODS PN 103023 MASK ORAL NASAL W SNAP MOUNT MD N PHODS PN 103024 MASK ORAL NASAL W SNAP MOUNT MD W PHODS PN 103025 MASK ORAL NASAL W SNAP MOUNT LG W PHODS PN 103026 MASK ORAL NASAL W MFS MOUNT SM N PHODS PN 103027 MASK ORAL NASAL W MFS MOUNT MD N PHODS PN 103028 MASK ORAL NASAL W MFS MOUNT MD W PHODS PN 103029 MASK ORAL NASAL W MFS MOUNT LG W PHODS AQUAGYLUNG Table of Contents Para Description Page 1 Introduction and General Information 69 MN 69 ETT 1 1 621 Ba 101 0 6 EN 69 13 NN NN 69 ent 69 DD NNN 69 1 6 Unauthorized Hardware Modifications eege gege deeg eege eege Sektor dsvenen 70 EET NEPPE 70 2 Special Tools and TESTE UNTEN rer 14 2 1 General FETEST 14 TN NN 14 239 Gpecial Test EguPMEN EEE EEE NN 14 3 Preparation for Use Storage and Ghu
83. or to the OPC Connect the OPC Hoses to the mask Turn on the PHODS Regulator Don the flight helmet and mask switch the Oxygen Pulse Regulator to R M ensure that oxygen is flowing to the regulator and have wearer secure mask to face Breathe normally and ensure proper operation of the Oxygen Pulse Regulator Turn off the PHODS Regulator after testing 2 Following any further mask adjustments after testing cut excess length of mask adjustment straps leaving between 25 and 75 mm 1 to 3 inches Heat sear cut ends of nylon mask straps to prevent fraying 4 9 Inspection Inspect the oxygen mask in accordance with paragraph 5 2 prior to placing it into service CAUTION Dust and dirt can easily foul the operation of the valve assemblies Keep the oxygen mask inside a sealed plastic bag or suitable container until ready for use 96 PHODS Technical Manual Pc iD NN ON 4 4 10 Preflight Wearers must perform the following prior to each flight 1 Inspect condition of the mask and components for signs of damage 2 Check communication system for proper operation on an approved test set 3 If an unsatisfactory condition exists with the mask consult your Aviation Life Support Equipment Technician 4 11 Post flight After the last flight of each day oxygen masks should be stored in a designated area such as the life support shop Post flight inspection of masks must be performed as follows 1 Verify that all components are pr
84. other factors where the unit may be operating the OPC M7 is guaranteed to start operation at and over 10 000 ft PA Figure 1 14 PHODS Technical Manual NN Fc Fc 4 Regulator and Oxygen Cylinder Figs 2 4 Figure 2 Figure 3 ON Off Valve ON Off Valve Q D Output 1 Piston regulator with integral Fill Port and Dial Gauge Dial Gauge Indicator 2 Regulated fixed output 15 25 psi with on off Fill Port valve Quick Disconnect Q D connector for rapid cylinder change out while in flight 3 Installed Safety Plug for emergency overpressure relief 4 Military black with minimal chrome parts Frei o g Safety Disc 5 Green 1 7 cubic ft cylinder 1 7 CF Green Oxygen Pulse Controller OPC M1 Fig 5 Cylinder amp Regulator 1 Easy to use two button ON OFF control switch small size and light weight 2 Preset to supply oxygen 3 Automatically adjusts oxygen flow with altitude 4 Provides reduced oxygen consumption through more efficient oxygen delivery 5 Push button control switch allows multiple Fixed Hose Oxygen inlet oxygen delivery schedules based on 6 mm Larger outlet connects workload and altitude challenges g Power On Off and Control to cannula or face mask 6 Green LED indicates oxygen flow alarm Figure 5 battery status and informs user of kinked pinched or disconnected lines obstructed cannula or mask Nasal Cannula Fig 6 1 Delivery of oxygen via na
85. oting section of this manual the situation is not resolved immediately return the PHODS system to a qualified technician for inspection or contact an Aqua Lung Technical Advisor Ce NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle will only go just to the green or next to it This is acceptable provided the unit is charged on a calibrated system 1 Verify sufficient Oxygen is in the PHODS cylinder 2 Audible Alarm Flashing LED amp Pulsing Solenoid Valve continue on OPC Start up 1 Replace battteries immediately 2 Severely Depleted batteries will only flash the LED 3 If any of the following conditions exist descend to safer altitude as soon as possible The OPC M1 unit emits no audible alarm or start up oxygen pulse when turned on 1 Check batteries to make certain they are fresh 2 Check oxygen cylinder valve is on 3 Check oxygen supply tube for proper connection 4 Check oxygen supply tube for obstructions 5 Check OPC M1 outlet tubing for obstructions Audible alarm on start up is heard but no start up oxygen pulse delivered 1 Check oxygen cylinder valve is on 2 Check oxygen supply tube for proper connection 3 Check oxygen supply tube for obstructions 4 Check OPC M1 outlet tubing for obstructions When using the face mask no oxygen pulse on inhalation 1 Make sure the face mask is sealed against the skin 2 Check for obs
86. pendix A for specific information on the PHODS Mask Ce NOTE The standard Maxillofacial Shield may be converted for use with the PHODS mask system by following the instructions on page 52 of this manual WARNING Oxygen should be delivered to the inlet port on the side of the mask with the Inhalation valve to ensure proper dilution of the oxygen with the ambient air in the mask cavity A WARNING Disinfect the PHODS Mask or Nasal Cannula amp Nose Piece after each use to avoid bacteriological contamination and for cleanliness Cleaning can be accomplished with isopropyl alcohol Plug Inlet port Inlet valve Figure 48 AQUAGYLUNG 35 MANUFACTURERS RECOMMENDED PHODS PRE FLIGHT CHECKLIST Check 1 Verify all PHODS components are present 2 Verify PHODS Valve is open and the regulator gauge is in the green 8 gt NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle will only go just to the green or next to it This is acceptable provided the unit is charged on a calibrated system 3 Install 2 new AA batteries in the OPC Ensure the battery compartment door is secure Push the I button on the OPC once to the ON Mode The OPC Green LED will produce a series of flashes and the audible alarm will sound If LED continues to flash after the initial series refer to Troubleshooting pg 54 A Verify PHODS cylinder pocket is
87. pment cc cccecc cece eeeceeeeeeeeeeteeeeeeeseeteeeseeeseeseeeaeenes 15 NTV 19 32 Preparatonior 0 EE 15 3 3 Preparation for Shave 15 OST AMON MOL NON D 76 4 1 Theory of Mask Assembly OPA Narr 16 4 1 1 Operation of the Valve ASSEN UU EE 16 4 2 Inspection and Test Requirements xixsc cece cscctcewiccveriessccheeehicebesaeicce dun deed Eege 16 e E El Te ME 16 4 4 Measurement and Fitting ararnrnovnnnrnanennnnenavnnnenanennnnsnavennenenevnenenannnuennnannenenenenuenenannnunnsnene Tf 5 ERNA 81 GR EN Kern e EE 82 4 7 Installing MFS Strikers pn Flight Helmet rrarnannnnannnnavnnnavnnnanennanennenavnenennenavnnnavnenenuenennenenuenene 83 4 7 1 Trimming MFS for ANVIS Compatibility aseseeseeeeenenennnnerurrnnrrrnrrrnrrnrnrnrnrnrrrrnrnrnrnrnrnnrnrnrnrnrnnnn 89 TN 90 PA fees Tele MF EE EE EN NE RE EE 90 e CR Ponovna EEE EEE RENE EEE ieee 91 68 PHODS Technical Manual Fc NN NN O Table of Contents Para Description Page 475 UsingAnti Fog NN 91 ATO Mantenan E EEE 91 2761 Repairing Edge Bead Lavvo 91 Elte gl nsitee ia cwncansacenwes cre dsieutsiseevenr tation ton taeie senvasrcaeraroosaresenaetehieeunencnseaie 92 4 7 6 3 Replacing Latch Assembler amanda enasndaedeeiennn 92 TT ENN 93 4 8 ME SELG nn Ee Testing EEE 93 4 9 ME Ned 93 Eltere 94 4 11 Fl 94 DENN 94 AAS Mask Operation Checkout sscccsccctaconcaceconbsecscnudertdcioncesmscacvndesastoenenseseseuatstheatescaewseassdaneecetes 94 4 14 Microphone Assembly FET 95 FAT
88. r dry nitrogen When put back into service be sure to purge the cylinder and regulator prior to filling with oxygen for use STORING THE PHODS SYSTEM The PHODS system can be stored under a fairly wide temperature range To protect the system from excessive humidity rain etc store the unit in the supplied case The High temperature should not exceed 185 F 85 C amp the Low temperature should not be lower than 79 6 F 62 C In practical use the following precautions should be observed 1 Batteries should be removed from the OPC if possible for extended storage at temperatures below 32 F if that is not possible the unit should be rewarmed before use The unit has been tested to be operational to 25 F however warmer operating temperatures give longer battery life If you preflight with fresh batteries then this should not be a problem 2 Always store Cylinder regulator with ON OFF valve in OFF on regulator this will assure Oxygen fill level cannot leak in any manner 3 Unit can be tested in R M mode before use at low altitude to verify functionality CARE amp MAINTENANCE The PHODS system should be returned to its protective case when not in use See Fig 49 It is important to provide the proper preventative maintenance in order to ensure the best possible performance and reliability of the PHODS OBTAIN FACTORY PRESCRIBED SERVICE BY A QUALIFIED TECHNICIAN FOR YOUR PHODS AT LEAST EVERY 12 18 MONTHS YOUR PERSONAL
89. r of facepiece edge as shown Figure 4 4 Facepiece Trimming AQUAGYLUNG D 4 7 Installing MFS Strikers onto Flight Helmet 1 Remove the dual visor assembly from the helmet 2 Set a compass to the value shown below for your helmet size Small XS XXS 3 1 8 inches Medium 3 3 16 inches Large 3 19 64 inches X Large 3 21 64 inches 3 With the compass set to the appropriate value as specified in Step 2 position the point of the compass in the dimple on one side of the helmet and draw an arc from approximately 2 inches to 2 1 2 inches below the dual visor assembly post as shown in Figure 4 5 Figure 4 5 Drawing Arc from Helmet Dimple 4 Repeat Step 3 for the other side of the helmet 5 Set the compass to the value shown below for your helmet Small XS XXS 2 9 64 inches Medium 2 9 64 inches Large 2 5 32 inches X Large 2 9 64 inches 86 PHODS Technical Manual Pc Pc NN ON 4 6 With the compass set to the appropriate value as specified in Step 5 position the point of the compass below the lower dual visor assembly post on one side of the helmet and draw an arc as shown in Figure 4 6 to intersect with the first arc Figure 4 6 Drawing Arc from Dual Visor Assembly Post 7 Repeat Step 6 for the other side of the helmet 8 On one side of the helmet center punch the point at which the arcs intersect Repeat for the other side CAUTION Be careful not to damage any components inside the helmet when pe
90. r used in shipping is purged from the PHODS cylinder prior to filling with oxygen Ce NOTE Always fill the cylinder 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 incomplete fill after the cylinder cools If the cylinder is warm to the touch afterward the fill rate was too rapid and cylinder needs to be topped off Ce NOTE For more specific information on the MOCRS system please refer to the user manual LS NOTE The MOCRS takes about 25 30 hours to fill a K cylinder from empty depending on the altitude Ce NOTE The PHODS system does not include a cylinder fill adapter This adapter PN 102911 may be purchased separately Ce NOTE The PHODS regulator and cylinder is shipped with approximately 40 psi of oxygen compatible air This is to ensure moisture does not enter the system during shipment and or storage Ce NOTE When charging the PHODS cylinder DO NOT exceed 200 psi per minute charging rate Ce NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle will only go just to the green or next to it This is acceptable provided the unit is charged on a calibrated system Ce NOTE While the regulator dial gauge indicates a full cylinder on the ground the colder temperatures at higher altitudes will reduce the pressure in the cylinde
91. rer s face Re adjust straps to obtain uniform fit as necessary i If prominent cheek bone or eyeglass interference is preventing uniform pressure especially in the nose nasal root area try the next smaller size mask and repeat steps e through g If the Wearer is wearing a large or medium wide mask and has a comfortable stable fit but has leaks in the cheek area try a size small narrow or medium narrow mask j If the above mask fitting procedures are unsuccessful then hardshell trimming may be required to relieve excess pressure at the cheek bone or nasal root area Ref Figure 4 2 Refer to paragraph 4 5 for hardshell trimming procedures k Ifthe mask fitting sequence is successful check the helmet visor lens and mask hardshell interface contact The contours of both interfaces should fit together with little or no gap If PHODS is to be worn with MFS check visor fit with MFS The installation of the PHODS should not impact fit amp wear of the MFS If a successful mask fit is achieved mark mask adjustment straps prior to testing the mask in accordance with paragraph 4 13 Ce NOTE The buckles on the mask should be tacked to prevent movement Tacking thread showing no wear between inspections is considered satisfactory m Ensure the microphone assembly is positioned inside the mask cavity to permit optimum communication 82 PHODS Technical Manual Fc EN 2 Fc 4 Ce NOTE Assuming that the mask is assigned to
92. rforming Steps 9 11 CAUTION Be sure to drill the helmet shell as specified in Steps 9 11 or delamination of the helmet shell could result making the helmet unserviceable When performing Steps 9 11 hold the drill perpendicular to the helmet shell to prevent damage to the shell and the energy absorbing liner Use the 2x4 block of wood as specified in Steps 9 11 to prevent damage to the helmet shell 9 On both sides of the helmet at the center punched marks where the two arcs intersect firmly hold a 2x4 block of wood inside the helmet shell behind the drilling point Use a 1 16 inch drill bit to drill a pilot hole Continue to hold the block in this manner in Steps 10 and 11 10 Use a 9 64 drill bit to drill through the pilot hole 11 Finish the hole with 3 16 inch drill bit AQUAGYLUNG ad 12 Referring to Figure 4 7 attach a striker to one side of the helmet by using one screw and a post through the lower hole of the striker and the drilled hole in the helmet applying a drop of white glue to the threads of each screw Leave the screw just loose enough to allow the striker to rotate 13 Repeat Step 12 for the other side of the helmet Striker Figure 4 7 Striker Attachment 14 Reattach the dual visor assembly to the helmet Referring to Figure 4 8 use the two downstop locking screws one on each side of the visor to adjust the visor downstop to the lowest position Downstop EAT _ Downstop Locking E d i
93. rs This is normal At higher altitudes Aircrew members must check the cylinder pressure in the user worn cylinders more often Ce NOTE The unit may be charged with the valve closed however the gauge will not indicate any pressure This mode is not recommended Ce NOTE The standard Maxillofacial Shield may be converted for use with the PHODS mask system by following the instructions on page 52 of this manual Ce NOTE Ensure exhalation valve 6 is returned to the proper hole of the facepiece Valve should be opposite from PHODS OPC inlet fitting D in use The soft rubber facepiece 2 acts as the gasket for sealing the valve Ensure the facepiece material is not pinched between the valve threads and the hardshell 3 12 PHODS Technical Manual Ce NOTE Proper helmet fit is essential to ensure proper mask seal and comfort Ce NOTE The buckles on the mask should be tacked to prevent movement Tacking thread showing no wear between inspections is considered satisfactory Ce NOTE Assuming that the mask is assigned to a single wearer after the mask has been flown and a comfortable fit has been achieved cut the excess strap length leaving not less than one inch and not more than three inches Heat sear the cut ends to prevent unraveling The straps may be folded under if desired before tacking Tack with two turns of thread Tacking shall be of doubled waxed thread Specification V 1T 276 Type IV Size B ticket 8 4 NSN 8310
94. sal cannula is an efficient and effective use of a limited O2 quantity ask lsh DO NOT COVER Green LED indicator for User 2 Uses a flexible helmet mounted boom 3 Can be mounted to both the HGU 56P and the Apache Integrated Helmet And Display Wasan Sight System IHADSS helmets 4 Can be easily removed from helmet mount while in flight 5 Uses easy replaced maintained soft rubber 3 i nasal inserts that can be trimmed to fit individual nasal passages Figure 6 Nasal Cannula AQUAGYLUNG We PREPARATION AND SETUP The purpose of this manual is to familiarize you with the correct setup filling inspection and user maintenance of the PHODS The PHODS is packaged with the major components fully assembled and ready to use after it has been filled with Oxygen Before using it however it is very important to carefully read and understand the procedures outlined in this manual for filling the unit and performing a preflight inspection PHODS Purge Procedure Ce NOTE Upon receipt of new PHODS from Aqua Lung America ensure that the oxygen clean compressed air used in shipping is purged from the PHODS cylinder prior to filling with oxygen Ce NOTE The PHODS regulator and cylinder is shipped with approximately 40 psi of oxygen compatible air This is to ensure moisture does not enter the system during shipment and or storage WARNING If Nitrogen is used to purge the PHODS for storage failure to proper
95. se 37 38 PHODS Technical Manual Pc FN FN Fc I PHODS MAINTENANCE PROCEDURES 6 Do not attempt to reuse mandatory replacement parts under any circumstances regardless of the amount of use the product 3 has received since it was manufactured or last serviced Introduction This section of the manual provides factory prescribed proce dures for the correct service and repair of the Aqua Lung PHODS 7 When reassembling it is important to follow every torque specification prescribed in this manual using a calibrated j i torque wrench Most parts are made of either marine brass or System It is not intended to be used as an instructional manual plastic and can be permanently damaged by excessive stress for untrained personnel The procedures outlined within this l l l manual are to be performed only by personnel who have re 8 Only use Christo lube MCG 111 this lubricant is compat ceived Factory Authorized training through an Aqua Lung Service ible with oxygen systems Apply only a light film of Christo amp Repair Seminar If you do not completely understand all of the lube MCG 111 to o rings avoid excessive amounts of lube procedures outlined in this manual contact Aqua Lung to speak except where directed directly with a Technical Advisor before proceeding any further PHODS has black external parts however white and chrome parts are used in this manual for clarity General Conventions Ce NOTE Safety Plug is a
96. se before installing oF O N Lubrication and Dressing Wear powder free latex gloves when handling and lubricating o rings Keeping internal parts free from skin oils and other contaminants is important when running oxygen through a first stage All o rings should only lubricated with Christo Lube MCG 111 This is an oxygen compatible lubricant Dress the o rings with a very light film of grease and remove any visible excess by running the o ring between thumb and forefinger Avoid applying excessive amounts of Christo Lube grease as this will attract particulate matter that may cause damage to the o ring M CAUTION Do not lubricate the safety plug assembly 64 PHODS Technical Manual Fc NN Pc Fc 4 STORING THE OPC Mi When not being used the OPC M1 unit oxygen hoses Nasal cannulas etc should be disconnected from the oxygen supply and stored in a secure manner to ensure that dirt and debris do not enter the inlet and outlet tubes The supplied Storm Case is recommended See Fig 49 or zip top plastic bags are good alternative storage containers Ce NOTE If the OPC M1 is not going to be used for 30 days or more remove the batteries When using the OPC M1 for the first time after storage replace the batteries to ensure proper operation A fresh set of batteries should be part of your pre flight inventory NOTE The unit should not be stored with oxygen in the cylinder Instead store with oxygen compatible air o
97. sition snug the two lower striker screws AQUAGYLUNG gy 18 Check the MFS position as follows a Raise the inner visor b Unlatch one side of the MFS and swing the MFS out ensuring that there is no interference with dual visor assembly Re latch the MFS and repeat for the other side c Re latch both sides of the MFS d Lower the visor again to ensure that the alignment and clearance specified in Step q has been maintained Readjust as necessary e Raise and lower the inner visor again to ensure clearance and proper operation f Raise the visor again fk WARNING Wear eye protective goggles when drilling holes in Steps s and t to prevent eye injury Use the 2x4 block of wood as described in Steps s and t to prevent hand injury CAUTION Be careful not to damage any components inside the helmet when performing Steps s and t Be sure to drill the helmet shell as specified in Steps 19 20 or delamination of the helmet shell could result making the helmet unserviceable When performing Steps 19 and 20 hold the drill perpendicular to the helmet shell to prevent damage to the shell and the energy absorbing liner Use the 2x4 block of wood as specified in Steps 19 and t to prevent damage to the helmet shell When performing Step 20 ensure that both strikers are rotated out of the way before you begin drilling Do not drill through the strikers with the 3 16 inch drill bit 19 Drill the pilot holes as follows a With bo
98. ssemblies 2 To replace damaged upper straps remove damaged straps by unthreading from the hardshell and installing the replacement strap s Reference Figure 4 2 for strap routing 5 5 Mask Disassembly 1 Organizational maintenance of the oxygen mask is limited to removal of damaged or defective parts and the removal of parts which must be detached to gain access to areas requiring cleaning and inspection 2 Disassemble the mask in the sequence listed below Key numbers refer to the parts location illustrations Figure 7 1 unless otherwise noted 3 Remove microphone 9 from mask by loosening the two screws Ref Figure 5 1 Pay careful attention not to lose the thin Mylar gasket that is located on the microphone mounting block lt Screws 2 Microphone Mylar Gasket Figure 5 1 Modified M 169A AIC Dynamic Assembly AQUAGYLUNG W 4 Remove exhalation inhalation valve covers 14 by gently pulling off The valve nut is recessed to capture the cover against the hardshell 5 Use large end of valve wrench to unscrew and remove both the exhalation and inhalation valve nuts 5 Remove both valve bodies 9 amp 10 from inside the mask by gently pulling them straight out from the inside 6 Remove the 90 PHODS elbow connector from the mask as follows Ref figure 5 2 a Using the 17mm wrench to hold the inside nut 16 turn the outside nut 15 with the 17mm wrench until the nuts separate b Remove the was
99. terface of the Nasal Cannula and the Clip with the nose piece to the front and press tightly until it snaps into place See Fig 29 3 After mounting the Nasal Cannula ensure the 90 fitting is pointing down and out of the rear of the helmet See Fig 30 4 The Nasal Cannula must be removed to use the N Zz optional PHODS Mask To remove the Nasal Figure 30 Cannula grasp the Nasal Cannula firmly on one side of the clip and pull down firmly 26 PHODS Technical Manual 5 Prior to donning the Flight Helmet connect the open end of the coiled hose to the Nasal Cannula in the Helmet or optional PHODS Mask if not already done Push the hose into the Cannula fitting until it stops Use only the supplied PHODS Cannula as other cannula may not work properly with the OPC See Fig 31 6 After the Flight Helmet is donned connect the coiled hose Q D to the OPC outlet hose Q D attached to the Survival Vest Push in until the Q D connector clicks into place See Fig 32 7 The unit is installed and ready for operation F id ai hb j am r Wil PI et Bei vi J Sa gr i 18 Cd Re 8 OPC M1 Nasal Cannula Regulator connection Regulator LG and Cylinder See Figs 33 amp 34 Figure 33 K Figure 34 AQUAGYLUNG IHADSS CANNUAL MOUNTING To install the IHADSS Clip loosen the helmet microphone knurled knob on the left side of the helmet Slip the IHADSS clip over the post
100. teries as shown on the label inside the battery compartment they will be a tight fit Ensure the ribbon is positioned under the batteries toward the right side the ribbon is used to facilitate battery removal Replace the battery door by sliding the door until it snaps in place Take care when removing and replacing the batteries as to not damage the batteries and or connectors arr tel l ven be p 3 Ua up Caen Jegen Kess dE A Te CRASH date zeg Ewe Mann ob Greta Fi Zeen h boy LED bushen arena Ml E m LOW LATTES mA kurer MED Taben very 2 Saiman H ICH WEEN 2 Press the button and turn the unit to the ON mode The LED should flash rapidly an audible alarm should sound amp a puff of air should be emitted from the cannula via the OPC The LED will continue to blink indicating no flow If the LED amp Audible Alarm continue rapidly and the Valve continues to pulse replace the batteries before continuing Severely depleted batteries will only flash the LED replace the batteries before continuing 3 Press the button and turn the unit to R M This will allow the unit to provide a puff of air while breathing the unit OPC Functional Test Fixed Hose Oxygen inlet 6 mm Larger outlet connects Power On Off Control to cannula or face mask 4 Press the button and turn the unit to F20 This will allow the unit to provide a very small puff of air while breathing the un
101. th sides of the MFS latched in place and the two lower striker fasteners snug firmly hold a 2x4 block of wood inside the helmet shell behind the drilling point b Use adrill with a 1 16 inch drill bit to drill a pilot hole through the upper hole of both strikers c Continue to hold the wood block behind the drilling point and drill the upper hole of both strikers with a 9 64 inch drill bit 20 Drill the final holes as follows a Remove the MFS loosen the two lower striker fasteners and rotate both strikers out of the way to allow access to the pilot holes drilled in Step 19 b Firmly hold a 2x4 block of wood inside the helmet shell behind the drilling point c Using a drill with a 3 16 inch drill bit drill through both pilot holes 90 PHODS Technical Manual Pc FN FN Fn 14 21 Rotate the strikers back to their previous positions Referring to Figure 4 10 install the remaining screws and posts through the upper striker holes and the newly drilled holes to attach the strikers applying a drop of white glue to the threads of each screw Tighten all four screws frase Striker M Figure 4 10 Striker Attachment Completion 22 Reattach the MFS lower the inner visor and check for proper alignment on the helmet If the MFS does not align properly loosen all four screws with the MFS still attached realign the MFS as necessary and re tighten the screws Ce NOTE Prior to donning the helmet in Step 23 clean the inside
102. the MFS attached the shield should be secured to the helmet on both sides Ce NOTE The 103022 thru 103025 masks use the modified M 169A AIC 5 ohm microphone Ce NOTE Removal of Quick Change Striker assemblies during periodic maintenance is not necessary unless part replacement is required Ce NOTE Ensure exhalation valve 6 is returned to the proper hole of the facepiece Valve should be opposite from PHODS OPC inlet fitting D in use The soft rubber facepiece 2 acts as the gasket for sealing the valve Ensure the facepiece material is not pinched between the valve threads and the hardshell 3 Ce NOTE Ensure that the valve covers are properly installed on the valve nuts An improperly installed valve cover may cause the cover to separate from the valve nut If you have any questions or do not understand the information in these Warnings Cautions and Notes please contact an Aqua Lung America Technical Advisor before proceeding AQUAGYLUNG We SYSTEM DESCRIPTION BASIC PHODS SYSTEM Fig 1 The Portable Helicopter Oxygen Delivery System PHODS is a man mounted oxygen delivery system that can be attached directly to a crew member s Survival Vest and helmet to support flight and ground missions at high altitudes The 3 main components of the basic system are 1 a regulator and oxygen cylinder 2 an automatic oxygen pulse controller OPC M1 with inlet and outlet hoses 3 a flexible nasal cannula with a Q D co
103. tion period During this it is testing itself and purging the nitrogen and other contaminants from the oxygen At this time you will want to open 1 or both of the K cylinders so the MOCRS will fill them Ce NOTE The MOCRS takes about 25 30 hours to fill a K cylinder from empty depending on the altitude 20 PHODS Technical Manual mA EN NN Fc 4 At this point the unit is operating automatically and no further input is needed from the operator The following will allow you to see the unit operations Touch main menu then touch gauge screen to see the air compressor pressure low pressure oxygen pressure high pressure oxygen pressure and the oxygen percentage When the oxygen percentage reaches 90 the unit begins a countdown of 240 seconds visible from the control screen if the oxygen purity drops it has to again reach 90 and stay there for 240 seconds After the countdown the oxygen compressor will start and pump the oxygen to 2200 psi either into the K cylinders or into a PHODS Filling the PHODS from the MOCRS K Cylinder The PHODS is normally filled from the K cylinders Attach the fill hose to the fill port on the PHODS make sure the fill valve is closed Open 1 K cylinder and slowly open the fill valve watching the gauge on the PHODS slowly allow 500 psi into the PHODS then close the valve and allow the PHODS to cool for a few minutes repeat until the PHODS is full to 2100 psi Ce NOTE Due to the small size of the di
104. torage replace the batteries to ensure proper operation A fresh set of batteries should be part of your pre flight inventory Ce NOTE DO NOT store the OPC M1 connected to the cylinder while the inlet is under pressure If the lines are disconnected the ends must be covered to prevent the entry of debris dust or dirt into clean hoses Ce NOTE Before proceeding review the information on the back panel of the unit which provides an easy reference for the various operation modes See Fig 37 Ce NOTE The OPC ON mode is designed to provide the amount of oxygen needed by an average size healthy person using a cannula at the given altitudes your needs may be different Ce NOTE Batteries fit tightly handle with care See Page 48 Ce NOTE If wearing the HGU 56 P Helmet the OPC M1 should be worn on right front chest cylinder should be worn on right kidney If wearing the IHADSS Helmet the OPC M1 should be worn on the left front chest cylinder should be worn on left kidney AQUAGYLUNG 7 Ce NOTE The unit should not be stored with oxygen in the cylinder Instead store with oxygen compatible air or dry nitrogen When put back into service be sure to purge the cylinder and regulator prior to filling with oxygen for use Ce NOTE Factory prescribed service for the PHODS must only be performed by a qualified technician Ce NOTE Upon receipt of new PHODS from Aqua Lung America ensure that the oxygen clean compressed ai
105. tructions on the OPC M1 outlet tubing 3 At altitude to allow breathing make certain you are in F20 mode Oxygen pulses are delivered but the Green LED indicates no flow condition 1 Check the batteries to make certain they are fresh 2 Check for obstructions in the Nasal Cannula Face Mask and tubing The OPC M1 does not trigger at higher altitudes 1 Turn the OPC to the OFF Mode then return to the previous mode 2 Try a different mode 3 Descend to a lower safer altitude fh WARNING Do not increase or decrease the length of the Nasal Cannula or the coiled hose The removable Nose Piece may be trimmed for comfort AQUAGJLUNG 57 Table 2 Torque Specifications PART DESCRIPTION KEY ITEM TORQUE Table 3 Test Bench Specifications TEST CONDITION SPECIFICATION Leak Test Inlet 2100 psig 145 bar No leaks allowed MP Inlet 2100 psig 145 bar 25 10 psig 1 7 69 bar Table 4 Recommended Cleaners and Lubricants LUBRICANT CLEANER APPLICATION SOURCE Aqua Lung PN 820466 or Christo Lube MCG 111 l Lubrication Technologies All o rings 310 Morton Street Jackson OH 45640 800 477 8704 CAUTION Silicone rubber requires no lubrication or preservative treatment DO NOT apply grease or spray to silicone rubber parts Doing so may cause a chemical breakdown and premature deterioration of the material Oakite Products Inc 50 Valley Road Berkeley Heights NJ 07922 Acid bath for reusable stainless steel an
106. und in CGA pamphlet CGA C 6 2007 STANDARDS FOR surface of the cap for corrosion or scratches VISUAL INSPECTION OF STEEL COMPRESSED GAS CYL INDERS Do not reuse a damaged or corroded cylinder Either replace the cylinder with a new one or have the cylinder cleaned serviced by an authorized repair facility 17 Remove and discard the two o rings 3 amp 5 from the piston 4 Insert the pin of the seat extraction tool PN 109437 down the bore of the piston 4 and press out the HP seat 6 Discard the HP seat Ee NOTE Visually inspect cylinder for corrosion moisture rust and cracks in the lower neck area i i H _ This Concludes PHODS Regulator Disassembly Before beginning reassembly perform parts cleaning and lubrication in accordance with Procedure A Cleaning and Lubricating p 56 AQUA JLuNG i 4 Thread a new 2250 psi working pressure safety plug 10 into Le NOTE A reminder that powder free Latex or Nitrile the lower port on the first stage body 8 the side opposite of the gloves should be used for all internal assemblies fill port Attach a 3 8 socket PN 9 43001 to a torque wrench and tighten the safety plug to 90 5 inch pounds 10 2 6 Nm Do not exceed 110 inch pounds 12 5 Nm PHODS Regulator Assembly 1 Install the fill port cap retaining wire over the cylinder 26 neck N caution Do not lubricate the threads of the safety plug 5 Lubricate and install
107. uring storage while in the OFF setting Physical characteristics MH OPC M1 unit Width 3 15 8 0 cm Height 5 25 13 2 cm enclosure and ports Depth 93 2 23 cm Weight 8 2 oz 0 233 kg with batteries PHODS Regulator and Cylinder Pressure Rating 2100 psi 145 bar Capacity 1 7 Cu Ft 48 36 Liters Floodable Volume 20 4 Cu In 334 liters Height 12 00 30 48 cm Cylinder 9 25 23 5 cm amp Regulator 2 75 6 99 cm Diameter 2 00 5 08 cm Weight Empty 2 47 lbs 1 12 kg Full approx 2 5 Ibs 1 13 kg Testing and characterization was done under normal operating conditions i e 77 F 25 C and responding to a respiration rate of about 15 breaths per minute Specifications are subject to change without notice 62 PHODS Technical Manual Pc FN Pc Fc Procedure A Cleaning and Lubricating Oxygen Safe Area Guidelines Components requiring O2 cleaning must be disassembled cleaned and assembled in a designated 02 Safe Area with the following minimum requirements e An enclosed work area e No oil or grease within the immediate work area e As free as possible of dust and dirt e Aclean non porous work surface e Personnel traffic must be restricted from the area e Tools shall be clean non sparking and designated for O2 USE ONLY e Personnel shall clean hands face no makeup and wear clean clothing e Area shall be clearly marked RESTRICTED 02 SAF
108. viations and acronyms contained in this manual are listed in Table 1 3 AQUAGYLUNG de PHODS MASK Figure 1 1a Mask Assembly Oxygen PHODS HGU 84 P Usage Figure 1 1b Mask Assembly Oxygen PHODS HGU 56 P Usage 74 PHODS Technical Manual Pc Fc Fc 4 Table 1 1 Leading Particulars PHODS gt Available in multiple sizes Oxygen Mask Assembly Oxygen is provided to the wearer by the PHODS 02 system via the 102971 74 mask Equipped with a dynamic microphone Part No mm SEH mm inches 107974 Large Wide 108 0 4 25 88 9 3 50 Figure 1 2 Width and Height Dimensions of Face seal AQUAGYLUNG de Table 1 2 Consumables Nomenclature Material Specification ltem Number P N or NSN equivalent may be substituted EE ee Ge ee Swabs cotton p NSN6515 00 303 8250 _ Thread tacking Waxed thread A A 52094 NSN 8310 01 063 5934 V T 276 Type IVB ticket 8 4 Boy 1 NSN8040 00 753 4800 _ ae tee sandpaper Emery oth f Local Purchase __ MicroNet Bellingham WA Table 1 3 Acronyms and Abbreviations Acronym Abbreviation Alternate As Required Assembly Commercial and Government Entity Communications Height Inch Ounces Inches Water Maxillofacial Shield Millimeters Maintenance Parts List National Stock Number Oxygen Portable Helicopter Oxygen Delivery System Optional Width 76 PHODS Technical Manual Fc IEEE FN Fc 4 CHAPTER 2 SPECIA
109. w 25 F and performance may be degraded at lower temperatures Ce NOTE While the regulator dial gauge indicates a full cylinder on the ground the colder temperatures at higher altitudes will reduce the pressure in the cylinders This is normal At higher altitudes Aircrew members must check the cylinder pressure in the user worn cylinders more often 1 To verify that your PHODS cylinder is fully charged ensure that the gauge is reading in the GREEN zone 2 100 psi See Fig 19 Ke Ce NOTE Due to the small size of the dial gauge the working pressure of 2100 psi amp its 5 gauge accuracy it is possible that the needle will only go just to the green or next to it This is acceptable provided the unit is charged on a calibrated system PSI x 1000 Aua LUNG OXYGEN 2 Open the battery cover on the back of the OPC M1 ensure the 2AA batteries are installed correctly and replace the battery cover Ce NOTE Batteries fit tightly handle with care See Page 48 3 Ensure the OPC pocket is installed on the right front of the Survival Vest using the MOLLE system straps See Figs 23 amp 24 Figure 19 AQUAGYLUNG e 4 Ensure the PHODS cylinder pocket is installed on right kidney area of the Survival Vest using the MOLLE system straps Ce NOTE If wearing the HGU 56 P Helmet the OPC M1 should be worn on right front chest cylinder should be worn on right kidney If wearing the IHADSS Helmet the OPC
110. which specialty tools and replacement parts will be required Keep the manual open beside you for reference while performing each proce dure Do not rely on memory 5 Numbers in parentheses reference the key numbers on the exploded parts schematic on page 59 For example in the statement remove the o ring 3 from the number 3 is the key number to the piston head o ring 2 This is an Oxygen Delivery System Cleanliness MUST be maintained at all times Powder free latex gloves should be used for all internal assemblies All service and repair Pinch Method should be carried out in a work area specifically set up Press upwards on sides of o ring to and equipped for the task Adequate lighting cleanliness create a protrusion Grab o ring or and easy access to all required tools are essential for an insert o ring tool at protrusion efficient repair facility Ref U S Navy Preventative Main tenance System Maintenance Requirement Card MRC H 12 R 1 See Procedure A for Oxygen Clean Area Guide Ce NOTE Review Procedure A Cleaning and Lubricating Prior to Disassembly and Assembly 3 Before beginning any disassembly it is important to first perform the Initial Inspection procedure and refer to Table 1 Troubleshooting p 50 to determine the possible cause of any symptoms which may be present 4 As each unit is disassembled reusable components should be segregated and not allowed to intermix with nonreus
111. with paragraph 4 13 Preparation for Storage Disinfect mask in accordance with paragraph 4 12 Place mask in a Ziploc sealing bag or suitable substitute bag Place mask in a suitable box or container which will prevent distortion bending or flattening of the mask Seal the box or container Stores mask assembly in a cool dry atmosphere and out of direct sunlight Preparation for Shipment Disinfect mask in accordance with paragraph 4 12 Place mask in a Ziploc sealing bag or suitable substitute bag Place mask in a suitable box or container which will prevent distortion bending or flattening of the mask Seal the box or container 78 PHODS Technical Manual Fc NN NN Fc 4 CHAPTER A OPERATION INFORMATION 4 1 Theory of Mask Assembly Operation Figure 7 1 Oxygen enters from the Man Mounted Regulator hose and travels through 90 degree oxygen inlet port of the face piece to allow the oxygen to enter the mask cavity Exhaled gasses exit the mask through the exhalation valve The mask includes an integrated M 169A AIC dynamic 5 ohm microphone to aid communications 4 1 1 Operation of the Valve Assembly The user will pull ambient air into the mask through the inhalation valve assembly by breathing normally The inhalation valve assembly is designed to crack open at approximately 0 5 in H O vacuum 4 2 Inspection and Test Requirements WARNING Disinfect oxygen mask after each use to avoid bacteriological conta
112. ws All the assemblies figure and index numbers part numbers descriptions quantities codes are listed first followed by the detail parts A part common to all sizes in the same quantity is listed once A part common to all assemblies in differing quantities is listed once for each quantity and is identified to which assembly each listing pertains to by means of Useable on Codes Peculiar parts are listed once and are identified to which assembly each pertains Listed assemblies and parts are the latest available at the time of publication AQUAGYLUNG Weg 7 2 Usable On Codes The following usable on codes are used in the parts list 1030XX 1029XX PHODS OXYGEN MASK B 108028 gt D 108008 gt 06 PHODS Technical Manual 3 Maintenance Parts List The Maintenance Parts List MPL as shown in Table 7 1 covers both the version of the PHODS used with the HGU 84 P helmet See Figure 7 1 and the version of the PHODs used with the HGU 56 P helmet See Figure 7 2 Table 7 1 Maintenance Parts List Part No Description Qty Per Use On Mask Code x AE e 403035 Hardshell Assy MN 2 403037 HardshellAssy uw v om 9 402983 Inhalation Valve Assembly 8 102981 Microphone Assembly M 169AAIC Modified 1 AL VA WS 10300 Kit PHODS Mask to MFS aara unosom 4 NS 103081 Facial Shield PHODS FS OO NS 103082 Kt Stren meS Poos fO N S Not Show
113. x socket PN 103008 into the 6mm connec tion 39 Turn the hex socket in a counter clockwise to remove Once the 6mm connector is removed you should find a gasket attached Discard both the gasket and 6mm connection SI00W NOLLVHadO i s l dag LW 540 La a sd J b p Hg i DI FIFE y H Ate si S CAFE m de S300W NOLLYHIHSO 6mm connector and gasket shown separated for clarity r SCT LW 240 serted into the center of the 6mm connector 39 Failure CAUTION Ensure the 3mm hex socket is completely in to do this will result in damage to the 6mm connector 3 Use the 3 8 Crowfoot PN 103011 and Flex wrench PN 103045 to remove the supply hose 36 Ensure the crowfoot wrench is securely on the fitting Turn counter clockwise to remove OPC M1 OPERATION MODE OPFENATIGM M Or ore 4 Remove the filter amp spring 38 from inside the OPC M1 and the o ring 37 from the end of the hose AQUA JLuNG i 5 Remove the o ring 34 from the end of the 90 fitting 2 Using the torque screwdriver w 7 Adapter PN 103014 x 3 8 adapter PN 103004 and the 3 8 crowfoot PN 103011 from the PHODS tool kit PN 102968 Torque the fitting to 17 in Ibs 2 at MO LEVE SAT 6 Remove the o ring 34 from the end of the coiled hose fitting Ee NOTE The Torque Driver should be pre set to 17 in Ibs If not follow the directions i
114. y Kva 19 Filling The PHODS from the MOCRS K Cylinder rrarrrnannavnnnannnnavnnnannenenneneneenenennenenuenenuenennensnuenenn 20 Filling The PHODS Directly From MOCRS rrnarnevnrnevnenavnenavnnnannenavennavennenennensnnenannenevnenannenennenenuenene 20 MOCRS Fill Manifold A Upgraded Manifold Line 20 Filling The PHODS From An Oxygen Cvlmder 21 STSTEM ETP 22 Removing ET 25 NENNE 25 FS TN 21 CONTROL SWITCH SETTINGS AND MODES OF OPERATION erurnnennnnnnennnennnnnnnnnnennnennnenn 28 Control Switch e 28 MODES SELECTION HE 28 MN 28 NN a ne eS ee ae ne en ee eee nae eee ne eee ere eee 29 R M Reserve Manual Mode 29 FME FIRST NN 29 POD SAS E 29 Oxygen Delivery M L 30 4 PHODS Technical Manual Fc NN NN Fc 4 OTHER OPC all Lei el EE 31 Display And Alarm ee TEE 30 Fow LEN EEE EE 31 Apnea EEE EE EEE 31 EEE Ea EEE duaibuntees 31 Et et eu EEE E E E 32 SEE LONE e EEE ME cue chs T 32 PRODS MISSION HI capes tact ooemie amas neaoneeadaaunsamyety E enssteasadaneeeaweeenes 33 REGULATOR AND CYLINDER CHANGE OUT sunnnnnnennnnnnnnnnennnnnnnnnnennnennnnnnennnennnnnnennnennnvnnunen 33 OF TIONAL PHODS MASKE 34 MANUFACTURERS RECOMMENDED PHODS PRE FLIGHT CHECKLIST 0 35 6 10 eeh 35 Pera E 35 ee DN 36 MANUFACTURERS RECOMMENDED PHODS POST FLIGHT CHECKLIST 0 36 Ee 36 PHODS CHECKLIST INSERT E 37 PHODS MAINTENANCE PROGEDURES runnennnrnnernnennnnnnnnnnennnnnnnnnnnnnnennnnnnsnnnennunnnn
115. ye Center Position to Edgeroll AQUAGYLUNG 81 d Loosen the four suspension straps on the mask and have the wearer position the mask comfortably and squarely on his her face Attach the mask via the supplied striker assemblies to the maxillofacial support MFS mounts already installed on the helmet Adjust the mask position as needed for a comfortable fit with even pressure on the face If PHODS is to be worn with the MFS system replace the standard striker plate present on the MFS with the PHODS striker and fit mask while worn under the MFS e Gently tighten the upper and lower straps evenly to achieve a centered fit Check that the height of the hardshell of the mask is approx even with the wearers pupil and that the straps are uniformly tightened Check for twisting or bunching of the mask straps in the striker slots f The oxygen mask striker receiver position on the helmet should be checked for correct orientation The correct orientation prevents the mask straps from being twisted or bunched in the striker when installed on the receiver g Ifthe mask is not correctly positioned on the wearer s face after adjusting the straps the helmet receivers will need to be repositioned If the helmet receivers do not require further adjustment proceed with remaining fitting step h Determine if there are any high pressure points After the mask has been on for a few minutes remove mask and look for signs of non uniform pressure on the wea

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