Related Manuals for Aqua Lung SECOND STAGE
Summary of Contents for Aqua Lung SECOND STAGE
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Page 1: Second Stage
SERVICE MANUAL SECOND STAGE LEGEND LX LEGEND LX SUPREME Copyright ©2005 Aqualung France Rev. 02/2005... -
Page 2: Table Of Contents
Legend LX Second Stage Service Manual Index COPYRIGHT..........................3 INTRODUCTION........................3 WARNINGS, ATTENTION, NOTE...……………................ 3 MAINTENANCE.......................... 3 GENERAL INSTRUCTIONS.....……................3 GENERAL CONVENTIONS…....................4 DISASSEMBLY PROCEDURE…....................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. -
Page 3: Copyright
D I V E COPYRIGHT GENERAL INSTRUCTIONS This manual is the property of Aqualung France. Any In order to carry out the procedures described in this copying, photocopying, reproduction, translation, electronic manual correctly it is important that you follow the steps distribution (email, Internet...), even partial, and in whatever... -
Page 4: Disassembly Procedure
Legend LX Second Stage Service Manual Use two 11/16’’ spanners to block the nut (5) and to The acronyms used: unscrew the end nut on the hose. Remove the O-ring LP: Low Pressure from the hose nipple. Take care not to damage the O- MP: Medium Pressure ring groove. - Page 5 F I R S T D I V E Use the tool (129001) to unscrew the diaphragm retainer Completely unscrew the adjusting handwheel (31) and (15). Remove the washer (14) and the diaphragm (13). remove it from the insert. Shake the handwheel to remove the pin (32).
- Page 6 Legend LX Second Stage Service Manual 13. Insert a rod or tool (116236) into the insert (threaded Lift the exhaust valve side) and push out the valve seat assembly. Separate (27) and check that its the components of the valve seat.
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Page 7: Reassembly Procedure
F I R S T D I V E Insert the assembled shuttle valve, notch downwards, RE-ASSEMBLY PROCEDURE into the insert, holding the lever at right angles to the insert. Push the shuttle valve in until it passes the notch. If the exhaust valve has been removed, pass the valve To check that it is correctly fitted, turn the insert over, tail through the hole in the casing from the outside and... - Page 8 Legend LX Second Stage Service Manual 10. Fit the pin (32) inside the adjusting handwheel. Fit the 13. Fit a new lubricated O-ring (4) on the insert and fit it adjusting handwheel into the insert. The lever should against the casing. Slide the heat exchanger (3), its now be under tension (due to the spring).
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Page 9: Second Stage Adjustment
D I V E 17. Lever adjustment: Connect the tool (122046) to the second stage and the MP hose to the tool. Connect this assembly to a Legend first stage adjusted as follows : Legend LX: MP = 9.5 bar ± 0.5 bar Legend LX Supreme: MP = 8.5 bar ±... -
Page 10: Final Assembly
Legend LX Second Stage Service Manual FINAL CHECKS 1. Put the regulator under pressure with a 200 bar (±10 bar) supply. Note: Tests 2,3 and 4 require the use of a Regulator Test bench. 2. Opening effort check. Apply an increasing inhalation flow. -
Page 11: Table 1. Troubleshooting Guide
F I R S T D I V E Table 1. Troubleshooting Guide SYMPTOM POSSIBLE CAUSE TREATMENT 1. Refer to First stage Troubleshooting 1. MP too high Guide 2. The valve (18) is worn or damaged. 2. Replace the valve 3. -
Page 12: Table 2. List Of Tools And Service Kits
Legend LX Second Stage Service Manual Table 2. List of Tools and Service Kits DESCRIPTION APPLICATION PART 116222 MP pressure gauge complete 0/16B Checking medium pressure 111610 O-ring tool Fitting and removing O-rings 944022 129001 Spring clip tool Fitting and removing diaphragm clip (15) -
Page 13: Table 3. Recommended Cleaners And Lubricants
APPLICATION SOURCE Cristo-Lube MCG 111 All O-rings Aqualung, ref. 480025 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. Oakite #31 Acid bath for cleaning brass and stainless Oakite Products, Inc. -
Page 14: Procedure A. Cleaning And Lubricating
Legend LX Second Stage Service Manual Procedure A Cleaning and Lubricating (All Aqualung Regulators) Cleaning brass and stainless steel parts. Pre-clean by soaking in NETALU diluted to 25%. Cleaning in an ultra-sonic bath filled with a mixture of washing-up liquid + hot water. If some resistant deposits remain then fill the ultrasonic bath with white vinegar and repeat. -
Page 15: Table 5. Checking Specifications
F I R S T D I V E Table 4. Torque values N° REFERENCE DESCRIPTION COUPLE AP2031 Nut (5) 0.5 m.kg. Table 5. Checking specifications TEST INSTRUCTIONS SPECIFICATIONS Leak Test 160 bar < Working pressure < 200 bar No leak Medium Pressure 160 bar <... - Page 16 Legend LX Second Stage Service Manual Maintenance Notes.
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Page 17: Exploded View Of Legend Second Stage
F I R S T D I V E Exploded view of Legend LX second stage. - Page 18 Legend LX Second Stage Service Manual Exploded view of Legend LX Supreme second stage.
- Page 19 1ere Avenue – 14 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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