Aqua Lung CORE Service Manual
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Aqua Lung CORE Service Manual

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SERVICE MANUAL
CORE
SECOND STAGE
Copyright © 2015 Aqua Lung France
nd
Service Manual Core 2
stage
1
Rev. 05/2015

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Summary of Contents for Aqua Lung CORE

  • Page 1 SERVICE MANUAL CORE SECOND STAGE Copyright © 2015 Aqua Lung France Service Manual Core 2 stage Rev. 05/2015...
  • Page 2 Service Manual Core 2 stage Date Revision description 02/2015 Document creation Service Manual Core 2 stage Rev. 05/2015...

  • Page 3: Table Of Contents

    Service Manual Core 2 stage CONTENT COPYRIGHT ................................. 4 INTRODUCTION ..............................4 WARNINGS, ATTENTION, NOTES ......................... 4 MAINTENANCE ..............................4 GENERAL INSTRUCTIONS ............................ 5 GENERAL CONVENTIONS ............................ 5 DISASSEMBLY PROCEDURE ..........................6 REASSEMBLY PROCEDURE ..........................8 CONTROLE FINAL .............................. 11 FINAL REASSEMBLY ............................

  • Page 4: Copyright

    Aqua Lung regulator. This manual is not an instruction manual for unqualified personnel. The procedures described in this manual are intended only for qualified personnel who have been trained in the servicing of Aqua Lung equipment during a specialised course.

  • Page 5: General Instructions

    Fragile items with seats or crowns with critical sealing surfaces should be separated and protected during servicing in order to prevent any damage. Use only spare parts from Aqua Lung service kits. Never replace an Aqua Lung part with one from another manufacturer, even if it appears similar.

  • Page 6: Disassembly Procedure

    Service Manual Core 2 stage Using an 11/16’’ key, unscrew the insert screw (127818) DISASSEMBLY PROCEDURE for standard version or the heat exchanger (129914) for supreme version and octopus. NOTE: Before commencing disassembly, consult the exploded view to check the reference numbers of all parts requiring replacement.
  • Page 7 Service Manual Core 2 stage 10. With the tool (506001), 14. By hand or with a coin, unclip the exhaust tee (129908). remove the O-ring (124706) Be careful not to damage the case (129931 or 129932). from valve spindle (129146).

  • Page 8: Reassembly Procedure

    Service Manual Core 2 stage lubricated O-ring REASSEMBLY PROCEDURE (124706) on the valve spindle (129146). If the exhaust valve (129174) has been removed, pass the valve tail through the case hole (129931 or 129932), from outside and pull gently until the notch is inside the case.
  • Page 9 Service Manual Core 2 stage Fit the tension pin (AP1151) into its 15. While placing the flat side of the case (129931 or 129932) position, centre it. Gently unscrew at eye level, screw the valve seat (AP2033) with a flat...
  • Page 10 Service Manual Core 2 stage 18. Fit the diaphragm (129150) in the case (129931 or 21. Turn off the air supply and purge the second stage. 129932). Press all around the edges with a finger to Remove the tool (122046 + 122041).

  • Page 11: Controle Final

    Service Manual Core 2 stage CONTROLE FINAL FINAL REASSEMBLY 1. Put the regulator under pressure at 200 bar (±10 bar). Fit the Venturi plug (129911). NOTE: Tests 2, 3 and 4 require the use of a Regulator Test bench. 2. Opening effort check. Apply an increasing inhalation Fit the mouthpiece (123697 for standard and supreme flow.

  • Page 12: Appendix

    Service Manual Core 2 stage APPENDIX Table 1. Troubleshooting Guide SYMPTOM POSSIBLE CAUSE TREATMENT 1. Refer to First stage Troubleshooting 1. The MP is too high Guide 2. The rubber seating (129638) is worn or 2. Replace the rubber seating damaged 3.
  • Page 13 / unscrewing Adjusting screw screwing / unscrewing Allen 4mm Allen key Pushing of shuttle valve outside valve spindle 128019 Service kit second stage balanced BP Core, BP Core supreme, BP Octopus Service Manual Core 2 stage Rev. 05/2015...
  • Page 14 Service Manual Core 2 stage Table 3. Recommended cleaners and lubricants LUBRICIANT / CLEANER APPLICATION SOURCE Christo-Lube MCG 111 All O-rings Aqua Lung, 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.
  • Page 15 Medium Pressure 160 bar < Working pressure < 200 bar MP at 9.5 bar ± 0.5 bar : Core MP at 8.5 bar ± 0.5 bar : Core supreme Opening effort 160 bar < Working pressure < 200 bar Between 2.5 mbar and 3.5 mbar : Core Between 3.3 mbar and 4.3 mbar : Core supreme and...

  • Page 16: Procedure A - Cleaning And Lubricating

    Service Manual Core 2 stage Procedure A – Cleaning and Lubricating (All Aqua Lung 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 diluted white vinegar and repeat.

  • Page 17: Maintenance Notes

    Service Manual Core 2 stage Maintenance Notes Service Manual Core 2 stage Rev. 05/2015...
  • Page 18 Service Manual Core 2 stage 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 Service Manual Core 2 stage Rev. 05/2015...

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