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Viton small o-ring for Suunto air spool?

Discussion in 'Repairing your own Gear' started by Adr1an, Aug 30, 2020.

  1. Adr1an

    Adr1an Photographer

    160
    51
    Just had the regulator set Oxygen cleaned and all the o-rings were changed to Viton except for the two small buggers on the air spool on my back-up computer (old Suunto air integrated).

    Does anyone know where to source these? Thanks a lot.
     
  2. Rose Robinson

    Rose Robinson Contributor

    # of Dives: 200 - 499
    Location: British Columbia
    238
    247
    Adr1an,

    Dive Gear Express.

    the SPG spool Viton ''O'' ring is #003.

    Suggest buying their ''Master O Ring'' kit, 24.95.

    That little O ring is probably the hardest working O ring in your entire gear set, and the most often neglected because some service technicians won't bother to do what's necessary to remove the console/gauge/computer boot.

    Also suggest lube, oxygen compatible lube if you're using higher than 21% oxygen blends.

    Hope this helps.

    Rose.
     
  3. OceanEyes

    OceanEyes PADI Pro

    # of Dives: 5,000 - ∞
    Location: Hollywood, Florida
    367
    387
    Those little buggers are such a bother that I just replace the spool with O rings included as sold by DGE. I think they charge about $1.00 per spool.
     
    Lostdiver71 likes this.
  4. Rose Robinson

    Rose Robinson Contributor

    # of Dives: 200 - 499
    Location: British Columbia
    238
    247
    Hi OE,

    As long as the DGX shouldered spool is compatible with the Suunto internals.

    I use DGX sourced SPG's, and I do keep a couple of loaded SPG shouldered spools, but I don't know if they're ''Suunto compatible''.

    003 O rings are not difficult to change, you do have to be careful not to cut them with your finger nails during installation.

    Rose.
     
  5. Adr1an

    Adr1an Photographer

    160
    51
    Thanks everyone, I have no problem whatsoever replacing these myself, took me like 3 minutes to remove the spool. Question is were can I buy just #003 Viton o-rings? I'm in Europe and shipping became a major PITA in recent years so I'd rather get a small bag of o-rings shipped for a few $ then a kit in a box which costs like $20 to send across the Atlantic.
     
  6. Adr1an

    Adr1an Photographer

    160
    51
    Btw, would 75 durometer be OK with these or should I stick with 90?
     
  7. Zef

    Zef Divemaster

    2,915
    2,386
  8. Scubagaskets

    Scubagaskets Contributor

    214
    57
     
  9. Scubagaskets

    Scubagaskets Contributor

    214
    57
  10. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    5,885
    7,634
    Sometimes, depending upon the spool shape, it's virtually impossible to get a Duro 90 o-ring in place without splitting it.
    20200830_135758.jpg
    In those cases, I've used a Duro 70 without problems. The softer o-ring will wear a little faster, but if you can't get the hard one on, it's a Catch-22. The clearance are so tight, there's little risk of extrusion.
     

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