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Related Manuals for Aqua Lung LEGEND FIRST STAGE
Summary of Contents for Aqua Lung LEGEND FIRST STAGE
- Page 1 Authorized Technician Technical MainTenance Manual leGenD FiRST STaGe...
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Page 2: Table Of Contents
CONTENTS Copyright Notice ...........................3 General Guidelines ..........................3 General Conventions ..........................3 DISASSEMBLY PROCEDURE ......................4 REASSEMBLY PROCEDURE ......................6 ADJUSTING THE FIRST STAGE ......................9 FINAL ASSEMBLY ..........................9 FINAL TESTING ..........................10 Immersion Test ..........................10 Subjective Breathing Test ......................10 Table 1: Troubleshooting Guide ......................11 Table : List of Tools and Service Kits ....................1 Table 3: Torque Specifications ......................13 Table 4: Checking Specifications .......................13... -
Page 3: Copyright Notice
Aqua Lung Service & Repair Seminar. If you do not completely under- procedure. stand all of the procedures outlined in this manual, contact Aqua Lung to 4. Use only genuine Aqua Lung parts provided in the overhaul parts speak directly with a Technical Advisor before proceeding any further. -
Page 4: Disassembly Procedure
DISASSEMBLY PROCEDURE 5. Using an 8mm hex key, unscrew and remove the adjust- ment screw (4). Remove the washer (3). Lift out the main spring (). NOTE: Before performing any disassembly, refer to the exploded parts drawing, which references all mandatory replacement parts. - Page 5 Legend First Stage Technical Maintenance Manual 7. To remove the diaphragm (19b), insert a low pressure air CAUTION: The slightest scratch or scar across nozzle into the open MP port. While holding your thumb over the sealing surface inside the HP plug may...
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Page 6: Reassembly Procedure
Use only genuine Aqua Lung parts, sub-assemblies, and components whenever assembling any Aqua Lung product. DO NOT attempt to substitute an Aqua Lung part with another manufacturer’s, regardless of any similarity in shape, size, or appearance. Doing so may render the product unsafe, and could result in serious injury or death. - Page 7 Legend First Stage Technical Maintenance Manual 8. Turn the regulator over so the medium pressure side NOTE: Before continuing, closely examine the is facing upward. Drop the pin (7) through the center hole. back up ring (3). You will note that it has a flat Place the pin support (18) over the pin.
- Page 8 (24) until it is flush with the inside ledge of the spring retainer. d. Slide the dust cap (35) over the yoke knob threads with the Aqua Lung logo facing outward. Thread the yoke screw (34) into the yoke. 14. Installing the Yoke Connector a.
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Page 9: Adjusting The First Stage
Legend First Stage Technical Maintenance Manual c. Remove the first stage from the vise. Hold the first stage 3. If no leaks are detected, use a 8mm hex key to adjust the with the inlet opening facing downward. Insert the... -
Page 10: Final Testing
Table 1: Troubleshooting Guide, p. 11. When completed, close the cylinder valve and depressur- ize the regulator. Remove the first stage from the valve and secure the dust cap in place. This concludes the service procedures for the Legend First Stage... - Page 11 NOTE: This is a partial list of possible problems and recommended treatments. For more information, refer to the second-stage troubleshooting guide, or contact Aqua Lung Technical Service Department for assistance with problems not described here. CAUTION: Recommended treatments which require disassembly of the regulator must be performed during a complete overhaul, according to the prescribed procedures for scheduled, annual service.
- Page 12 Table 2: List of Tools and Service Kits PART # DESCRIPTION APPLICATION MP Gauge 0-400 psi 111610 Checking medium pressure O-ring Tool 944022 Removing and installation of o-rings Reversible Circlip Pliers 111100 Removing circlip (5) Inlet Fitting Socket 111001 Apply proper torque to inlet fitting Spring Retainer Socket 122152 Apply proper torque to spring retainer...
- Page 13 Legend First Stage Technical Maintenance Manual Table 2: List of Tools and Service Kits PART # DESCRIPTION APPLICATION Open-end Wrench (1/", 9/16", 5/8") (6mm, 3mm) Loosen/tighten/adjust parts 15" Adjustable Wrench Loosen parts Crowfoot Apply torque to parts listed in (6mm, 3mm) (1/", 9/16", 5/8")
- Page 14 Table 5: Recommended Cleaners and Lubricants LUBRICANT/CLEANER APPLICATION SOURCE Aqua Lung, PN 80466, or Lubrication Technologies Christo-Lube MCG 111 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.
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Page 15: Procedure A: Cleaning And Lubricating
When it comes to issues of nitrox safety and compatibility, the concerns lie primarily with the first stage as it is subjected to high inlet pressures. High inlet pressures lead to adiabatic compression or heating of the gas. The Aqua Lung or Apeks regulator product described in this manual, when properly cleaned and assembled, is authorized for use with enriched air nitrox (EAN) that does not exceed 40% (EAN 40). - Page 16 Maintenance Notes...
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Page 17: Legend, Exploded View
Legend First Stage Technical Maintenance Manual Legend Series Key # .Part # Description Key # .Part # Description ..19060 First Stage Complete 0 ..14560 Spring Pad ..19015 DIN Connector, Legend 1 ..191 Spring Retainer ..196 ACD Conversion Kit, Yoke ..106356 Main Spring ..197... - Page 18 Authorized Technician TECHNICAL MAINTENANCE MANUAL LEGEND FIRST STAGE Aqua Lung America 340 Cousteau Court, Vista CA 9081 760-597-5000 www.aqualung.com © 006 Aqua Lung USA Rev. 6/006...
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