Aqua Lung LX Supreme Service Manual Download Page 1

 

 
 
 
 

SERVICE MANUAL 

 
 
 

 

 

 

SECOND STAGE  

LX and LEGEND 

 

 
 
 
 
 
 
 
Copyright ©2005 Aqualung France

 

Rev. 02/2005

Summary of Contents for LX Supreme

Page 1: ...SERVICE MANUAL SECOND STAGE LX and LEGEND Copyright 2005 Aqualung France Rev 02 2005 ...

Page 2: ...DURE 4 REASSEMBLY PROCEDURE 7 SECOND STAGE ADJUSTMENT 9 FINAL ASSEMBLY 10 Table 1 Troubleshooting guide 11 Table 2 List of tools and service kits 12 Table 3 Recommended cleaners and lubricants 13 Procedure A Cleaning and lubricating 14 Table 4 Torque settings 15 Table 5 Checking specifications 16 Exploded view of Legend second stage 17 ...

Page 3: ...s of a vice To hold the body screw the tool 006230 into the HP port and then grip the tool with the vice 4 Once the regulator has been disassembled the re usable components should be separated from the components that need to be replaced Fragile items with seats or crowns with critical sealing surfaces should be separated and protected during servicing in order to prevent any damage 5 Use only spa...

Page 4: ...xchanger Slide back the hose protectors and check that there are no signs of impact and that the crimped ends are in good condition and that they firmly grip the hose If not it should be replaced Note Before commencing disassembly consult the exploded view to check the reference numbers of all parts requiring replacement These parts should all be replaced by new parts and should not be re used on ...

Page 5: ...g screw Remove the O ring 22 10 Remove the O ring 4 from the insert 11 Insert a rod or tool 116236 into the insert threaded side and push out the valve seat assembly Separate the components of the valve seat 12 Use your fingernail to remove the seat 18 and the small O ring 20 of the shuttle valve 12 13 Unscrew the seat 9 6 or 7 turns using a screwdriver Push the plastic part of tool 116236 into th...

Page 6: ...the casing in hot water 50 C for 2 3 minutes Pull on one end of the deflector to remove it Lift the exhaust valve 27 and check that its surface is clean and free of scratches It should be flexible and its edges should be clean If it is in good condition it is not necessary to remove it and it can be re used If there are any signs of deterioration it should be replaced Immerse the deflector in hot ...

Page 7: ...handwheel until it applies sufficient tension on the spring pin tp prevent it from falling out Hole exposed 9 Fit a new lubricated O ring 4 on the insert 7 10 Fit a new lubricated O ring 24 onto the venturi control 6 Position the control handle upwards and push it fully home into the casing 11 While holding the lever down fit the insert inside the casing from the venturi control side Make sure tha...

Page 8: ...ch P N 129198 21 Checking the venturi 21 1 Place the venturi control in the position 21 2 Press on the purge button The regulator should free flow While the regulator is free flowing move the control to the position The free flow should stop immediately If it does not stop screw the seta in 1 8 turn and try again 20 1 22 Turn off the air supply and purge the second stage Tighten nut 5 using a 11 1...

Page 9: ...tions If the opening effort is outside the limits then check Table 1 Troubleshooting Guide 3 Flow effort test Apply an inhalation flow of 400 l min and check that the effort does not exceed 15 mbar If the effort exceeds this then check Table 1 Troubleshooting Guide 4 Leak test Connect the first stage to a cylinder charged to 200 bar open the cylinder valve and immerse the set in a fresh water bath...

Page 10: ... 2 Readjust the lever and the valve Insufficient purge flow or work of breathing too high 3 MP hose obstructed 3 Clean or replace the hose 4 Le lever 8 is bent 4 Replace the lever 1 Hole in mouthpiece 17 1 Replace the mouthpiece 2 Diaphragm 13 damaged 2 Replace the diaphragm 3 Exhalation valve 27 damaged 3 Replace the valve Water leak 4 The venturi control O ring 24 is dirty worn or damaged 4 Repl...

Page 11: ...15 129001 116236 Seat fitting tool Seat assembly disassembly 109436 129198 Ring tool for Legend LX Tighten loosen gold silver ring on Legend LX N a N C Seat adjustment tool Adjusting seat under pressure 100190 N C Torque wrench 0 5 m kg Plugs N a N C 17mm flat wrench Nut 5 N a N C Medium flat wrench seat N a N C Flat wrench 11 16 x2 Hose nut N a N C 4mm Allen key MP et HP plugs N a 129007 Service ...

Page 12: ...ss steel parts Household stores Washing up liquid diluted with hot water Degreases brass and stainless steel parts general cleaning of plastic and rubber parts Household stores Attention Silicone parts do not require lubrication Do not grease them Greasing silicone parts can change their molecular construction and cause premature degradation of the material Attention Do not use hydrochloric acid f...

Page 13: ...rts on a white cloth allow to dry and check after drying that the cloth shows no grease deposits and that the condition of the parts is appropriate for re use with Nitrox O2 Cleaning hoses If there is significant corrosion then it is permissible to soak only the ends in an ultrasonic bath avoiding any possibility of the solution entering the hose Rinse in fresh water and allow to dry with the conn...

Page 14: ...rking pressure 200 bar MP at 9 5 bar 0 5 bar Legend and Titan LX MP at 8 5 bar 0 5 bar Legend Supreme and Titan LX Supreme Opening effort 160 bar Working pressure 200 bar Titan LX Legend between 2 5 mbar and 3 5 mbar Octopus LX Octopus Legend Legend Supreme and Titan LX Supreme between 3 3 et 4 3 mbar Effort Flow MP at 9 5 bar 0 5 bar Legend Titan LX MP at 8 5 bar 0 5 bar Versions Supreme 15 mbar ...

Page 15: ...F I R S T T O D I V E 15 Maintenance Notes ...

Page 16: ...Exploded view of Legend second stage Exploded view of Legend Supreme second stage ...

Page 17: ...F I R S T T O D I V E 17 ...

Page 18: ...Exploded view of LX second stage ...

Page 19: ...F I R S T T O D I V E 19 Exploded view of LX Supreme second stage ...

Page 20: ...Exploded view of Octopus LX second stage ...

Page 21: ...F I R S T T O D I V E 21 Exploded view of Octopus Legend second stage ...

Page 22: ...1ere Avenue 14e rue BP 148 06513 CARROS cedex France 00 33 0 4 92 08 28 88 FAX 00 33 0 4 92 08 28 99 ...

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