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Sherwood 9000 Series 2nd Stage Regulators – Upgrade Kit
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Sherwood TA 150722 †9000 Series 2nd Stage Upgrade KitTECHNICAL ADVISORYDATE: July 27, 2015SUBJECT: 9000 Series 2nd Stage Regulators – Upgrade KitChanges have been made to the 9000 Series 2nd Stage internal valve components to improve the performance of the Poppet, Seat, and Orifice. These changes address the possibility of an improper seal that may develop in the 2nd stage due to either an orifice damaging the seat, or tolerance deviations that may allow for slight misalignments of the poppet to the orifice. The changes to the components are as follows:1. Orifice: The sealing edge is slightly more rounded so it is less likely to damage the seat;2. Seat: Now made of a slightly higher durometer to increase toughness and has an improved fit into the Poppet;3. Poppet: The ribs have been extended all the way to the seat to improve the alignment to the orifice;These new parts are contained in an Upgrade Kit that will be provided by Sherwood Scuba at no cost, but only for the Sherwood Octo (SR9902), Brut, Magnum, Oasis, and Blizzard 2nd Stage Regulators that were produced from June 2013 through December 2014.Eligible units must be within this serial number range: 13020401 – 14124477The serial number is found stamped into the 2nd Stage housing. Please do not confuse this number with the serial number marked on the 1st Stage Regulator. Sherwood TA 150722 †9000 Series 2nd Stage Upgrade KitIf you have a 2nd Stage unit within the above serial number range that is displaying a small leak you cannot solve through a normal service and is within its normal service period, contact your Sherwood Scuba Distributor for an Upgrade Kit and perform a standard service overhaul.The Upgrade Kit contains a new twoâ€color Mouthpiece with Tie Strap so that the 2nd Stage can be visually identified as upgraded. The Kit also contains a new Thrust Washer so that any upgraded 2nd Stage will be fully up to date.Only one Upgrade Kit will be supplied for each 2nd Stage regulator. All Parts will retain the same part numbers except for the new twoâ€color Mouthpiece. All 9000 Series 2nd Stage Regulators built after January 2015 already contain the new upgraded parts and therefore are not included in the eligible serial number ranges.These regulators will have the new twoâ€color Mouthpiece installed to easily identify them.If you have any questions regarding the Upgrade Kit, please contact your Regional Sherwood Scuba Distributor for assistance.
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