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Sherwood SR 7206 manual

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Table of contents for the manual

  • Page 1

    SER VICE INSTRUCTIONS DUAL OCTO SECOND ST AGE REGULA TOR SR 7206[...]

  • Page 2

    [...]

  • Page 3

    1 www .sher woodscuba.com INTRODUCTION The instructions set forth in this document are intended to guide the experienced scuba equipment repair technician through the standard ser vice procedure for the Dual Octo second stage regulator . It is assumed that the technician possesses basic scuba equipment repair training and the skill necessar y to pe[...]

  • Page 4

    2 www .sher woodscuba.com W orking conditions Ser vice should be performed in a well lighted, clean area with access to proper tools. Use of improper tools or techniques may cause permanent damage and void the warranty . Service Procedure The standard ser vice procedure involves disassembly , inspection, cleaning, reassembly and adjustment of the r[...]

  • Page 5

    3 www .sher woodscuba.com 8. Before fur ther disassembly check the alignment of the Demand Lever (7) with regard to the Housing (10). The surface of the Demand Lever that contacts the Diaphragm should be parallel to the Housing within 1/16 inches. Place a straight edge across the Housing to check the alignment of the Demand Lever . (Refer to Illust[...]

  • Page 6

    4 www .sher woodscuba.com 11. If the subassembly shows salt or other mineral deposits that prevent the poppet from moving smoothly , it should be cleaned as an entire unit using an ultrasonic cleaner with a mild cleaning agent. If this fails to remove the deposits, the demand valve subassembly should be disassembled by unthreading the Lock Nut (9) [...]

  • Page 7

    5 www .sher woodscuba.com Reassembly 15. Install the Exhaust V alves using the same gentle stretching technique used for removal. 16. Install each Exhaust V alve Cover using only your fingers to tighten. Use of tools may damage the Exhaust V alve Cover . 17. If the demand valve subassembly was cleaned as a unit and not fur ther disassembled instal[...]

  • Page 8

    6 www .sher woodscuba.com 20. Hold the demand valve subassembly in place and install the Inlet Fitting. Hand tighten (approximately 40 in lbs). As the Inlet Fitting is installed the Demand Lever position will change and it will be loosely retained until the final adjustment is made. 21. Use the nut driver to tighten the Lock Nut until the Demand L[...]

  • Page 9

    7 www .sher woodscuba.com 30. Install the Cover Ring and hand tighten until there is no gap between the Housing and the Purge Cover . Final Check 31. With pressure applied to the regulator assembly immerse the entire regulator to check for air leaks. Air leaks are most commonly caused by damaged or contaminated o-rings. Repair or replace as necessa[...]

  • Page 10

    www .sher woodscuba.com W ARRANTY INFORMA TION The Dual Octo Regulator is warranted against manufacturing defects for a period of two years from the date of purchase from an Authorized Sher wood Dealer . W arranty extends only to the original purchaser of the product and is not transferable. W arranty ser vices requires proof of purchase. Keep your[...]

  • Page 11

    25 4 3 1 5 2 18 20 8 9 7 6 17 16 10 15 14 11 12 21 22 23 24 19 13 Item Qty . Part No. Description Item Qty . Part No. Description 14 1 G020-B O-ring 15 1 7206-6 8 Retaini ng 16 2 7206-8 Cover , E xhaust 17 2 7206-1 5 V alve , Exhaust 18 1 G01 1B O-ring 19 1 7206-5 0-36 Hose, O cto, LP 20 1 G010A O-ring 21 1 7206-4 A Diaphra gm 22 1 7206-6 Retaine r[...]

  • Page 12

    www .sher woodscuba.com[...]