Aqua Lung Legend First Stage Service Manual
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Aqua Lung Legend First Stage Service Manual

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SERVICE MANUAL
LEGEND
FIRST STAGE
Copyright ©2005 Aqualung France
Rev. 02/2005

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  • Page 1 SERVICE MANUAL LEGEND FIRST STAGE Copyright ©2005 Aqualung France Rev. 02/2005...

  • Page 2: Table Of Contents

    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 First Stage...................17...

  • 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 First Stage Service Manual The acronyms used: Unscrew the hoses from the first stage using the LP: Low Pressure appropriate spanner. Screw the HP and MP plugs into MP: Medium Pressure the open ports but leave one HP and one MP port free.
  • Page 5 F I R S T D I V E Screw the holding tool (116230) into the free HP port. Remove the O-ring (23) from the plug (20). Remove the Clamp the tool into a vice so that the dry chamber (6) is O-ring (22) and the anti extrusion washer (21) from the positioned at the top.
  • Page 6 Legend First Stage Service Manual Using a 3mm rod, or the metal part of the tool Use circlip pliers to (116236), push the filter compress the circlip (26) out of the Nitrox seat. (31) and to remove it Remove the O-ring (25).

  • Page 7: Reassembly Procedure

    F I R S T D I V E RE-ASSEMBLY PROCEDURE Position the anti extrusion washer (21) in the plug (20) with its concave side facing Refit the protective housing (24) onto the body (1). Make out. Lubricate the new sure that all the ports and orifices in the body are aligned washer (22) well and fit it with the holes in the protector.
  • Page 8 Legend First Stage Service Manual Turn the regulator over so that the MP side faces you. 13. Using an 8mm Allen Insert the pin (17) into the central hole. Place the pin key, screw the support (2) over the pin. Press several times on the pin adjusting screw (9) support.

  • Page 9: First Stage Adjustment

    ADJUSTING THE FIRST STAGE Thread the yoke screw (34) through the dust cap strap leaving the Note : Please refer to Table 5. Checking Aqualung logo on the Specifications for the adjustment values and the outside. Screw the tolerances. yoke screw (35) into the yoke.

  • Page 10: Final Assembly

    Legend First Stage Service Manual FINAL ASSEMBLY TEST IN WATER Fit the spacer (10) with the flats uppermost over the dry Check that all the MP and HP plugs are in place and that a chamber so that the flats fit. With the spacer in place, fit correctly adjusted second stage is connected to the first the ribbed washer (11) against the spacer.

  • Page 11: Table 1. Troubleshooting Guide

    F I R S T D I V E Table 1. Troubleshooting Guide SYMPTOM POSSIBLE CAUSE TREATMENT 1. The HP seat (18) is worn or damaged. 1. Replace the HP seat. 2. The crown (15) is damaged. 2. Replace the crown 3.

  • Page 12: Table 2. List Of Tools And Service Kits

    Legend First 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 Reversible circlip pliers Fitting and removing circlips...

  • Page 13: Table 3. Recommended Cleaners And Lubricants

    APPLICATION SOURCE Christolube 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 First 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 REFERENCE N° DESCRIPTION FORCE 129122 Dry chamber (6) 2.5 m.kg. 129124 Seat (29) 2.5 m.kg. 129125 DIN Seat (30) 2.5 m.kg. 129120 Plug (20) 0.5 m.kg. 129194, 129196 Chromed plugs (14) 0.4 m.kg.
  • Page 16 Legend First Stage Service Manual Maintenance Notes.

  • Page 17: Exploded View Of Legend First Stage

    F I R S T D I V E Exploded View of Legend First Stage.
  • Page 18 Legend First Stage Service Manual Exploded View of Legend DIN First Stage.
  • Page 19 F I R S T D I V E Exploded View of Legend LX First Stage.
  • Page 20 Legend First Stage Service Manual Exploded View of Legend Nitrox / O2 First Stage.
  • Page 21 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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