Atlas & Yukon(Part Numbers GRXXX & )Second StageSERVICE & REPAIRGUIDE
10Copyright ©2001 Liberty GroupAtlas & Yukon Second StageFig. 3 – Orifice RemovalFig. 4 – Orifice InspectionFig. 5 – Genesis Rim ClampNOTE: The o
11Copyright ©2001 Liberty GroupService & Repair ManualFig. 6 – Cover Ring RemovalFig. 7 – Genesis Pop p et Drive ToolFig. 8 – Disassembly of Pop p
12Copyright ©2001 Liberty GroupAtlas & Yukon Second Stage19. Using the O-ring pick that is provided in the Select Kit,lightly pierce the center of
13Copyright ©2001 Liberty GroupService & Repair ManualAtlas Second Stage Only:22. Stand the case upside down with the mouthpiece tubefacing forwar
14Copyright ©2001 Liberty GroupAtlas & Yukon Second StageCleaning Proceduress e c t i o n4s e c t i o nCleaning ProceduresAcidic Cleaning Procedur
15Copyright ©2001 Liberty GroupService & Repair ManualSTEP 1 – Degrease & Pre-Scrub:▼ All reusable non-wearing parts, both plastic and metal,
16Copyright ©2001 Liberty GroupAtlas & Yukon Second StageCAUTION: Harsh acids, such as muriatic acid, may cause damage toparts and must be strict
17Copyright ©2001 Liberty GroupService & Repair ManualEAN/Nitrox Cleaning Procedure(For Equipment Used With Oxygen Enriched Air)IntroductionGenesi
18Copyright ©2001 Liberty GroupAtlas & Yukon Second StageEAN/Nitrox Cleaning is a four step procedure that includes:▼Pre-Cleaning with Ultrasonic
19Copyright ©2001 Liberty GroupService & Repair ManualNOTE: All tools and fixtures, including the ultrasonic cleaner well, mustbe kept completely
ContentsContentsIntroduction ... 3About This Manual ...
20Copyright ©2001 Liberty GroupAtlas & Yukon Second Stage1. Place the parts inside a clean dip basket and lower the basket into thetank of a separ
21Copyright ©2001 Liberty GroupService & Repair ManualFinal Inspection:When each part has been completely cleaned and dried, it must beclosely ins
22Copyright ©2001 Liberty GroupAtlas & Yukon Second StageLOW PRESSURE HOSE ASSEMBLIES1. Ultrasonically clean both hose fittings by dipping only th
23Copyright ©2001 Liberty GroupService & Repair Manual▼ Set the O-rings aside on a perfectly clean surface that is covered withcellophane. Do not
24Copyright ©2001 Liberty GroupAtlas & Yukon Second StageReassembly ProceduresReassembly Proceduress e c t i o n5s e c t i o nGeneral Guidelines▼R
25Copyright ©2001 Liberty GroupService & Repair ManualFig. 13 – Atlas Retaining Ring InstallationWARNING: DO NOT attempt to use any othermanufactu
26Copyright ©2001 Liberty GroupAtlas & Yukon Second StageFig. 15 – Pop p et InstallationFig. 16 – Locknut InstallationFig. 17 – Orifice Installati
27Copyright ©2001 Liberty GroupService & Repair Manual16. Apply a medium blade screwdriver to engage the slottedhead of the orifice, and turn it c
28Copyright ©2001 Liberty GroupAtlas & Yukon Second StageFinal Testing Proceduress e c t i o n6s e c t i o nFinal Testing ProceduresFig. 20 - Inli
29Copyright ©2001 Liberty GroupService & Repair Manual4. Ensure that all the first stage ports are sealed, and connectthe first stage with a filte
3Copyright ©2001 Liberty GroupService & Repair ManualAbout This ManualAbout This ManualIntroductionIntroductionAs a service technician, you are en
30Copyright ©2001 Liberty GroupAtlas & Yukon Second Stageend wrench to remove the inlet fitting with orifice fromthe second stage. Be careful to
31Copyright ©2001 Liberty GroupService & Repair Manual▼ A properly serviced and adjusted regulator should deliverair upon deep inhalation without
32Copyright ©2001 Liberty GroupAtlas & Yukon Second StageTable 2 – Troubleshooting GuideCAUTION: All repairs must be performed with a complete ov
33Copyright ©2001 Liberty GroupService & Repair ManualSchematic & Parts ListAtlas Second Stage(EAN/Nitrox & Compressed Air)Schematic &
35Copyright ©2001 Liberty GroupService & Repair ManualSchematic & Parts ListYukon Second Stage(EAN/Nitrox & Compressed Air)Schematic &
4Copyright ©2001 Liberty GroupAtlas & Yukon Second StageFunction & DesignIntroductionIntroductionFunction & DesignThe Atlas/Yukon second s
5Copyright ©2001 Liberty GroupService & Repair ManualFacility Requirementss e c t i o nFacility Requirementss e c t i o nThe service facility is p
6Copyright ©2001 Liberty GroupAtlas & Yukon Second StageTable 1 – Recommended Equipment and SuppliersThe specialty tools shown below can be purcha
7Copyright ©2001 Liberty GroupService & Repair Manuals e c t i o n2s e c t i o nExternal Inspection1. Closely examine the conical filter of the fi
8Copyright ©2001 Liberty GroupAtlas & Yukon Second StageDisassembly Proceduress e c t i o n3s e c t i o nDisassembly ProceduresGeneral Guidelines▼
9Copyright ©2001 Liberty GroupService & Repair ManualFig. 1 –␣ Serial Number LocationFig. 2 –␣ O-ring RemovaLCAUTION: Whenever possible, use only
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