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Scubapro G250 can't be serviced??

Discussion in 'Regulators' started by SlyStrat, Apr 2, 2021.

  1. buddhasummer

    buddhasummer Bat sh.t crazy

    # of Dives: 1,000 - 2,499
    Location: Nanny State
    12,052
    4,589
    Then I will add some to my order.
     
  2. buddhasummer

    buddhasummer Bat sh.t crazy

    # of Dives: 1,000 - 2,499
    Location: Nanny State
    12,052
    4,589
    I've encountered the odd G250 that has given me trouble, gremlins.
     
  3. buddhasummer

    buddhasummer Bat sh.t crazy

    # of Dives: 1,000 - 2,499
    Location: Nanny State
    12,052
    4,589
    The only real "flaw" in the G250/V/156 you are at the mercy of getting within range of just the right specs/tolerances on all parts or you can have trouble.
     
  4. Open Ocean Diver

    Open Ocean Diver ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Toronto, Lauderdale-by-the-Sea
    1,219
    805
    Would you say your uncompressed spring is approximately 26mm in length?
     
  5. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    5,605
    7,121
    About. My bag of used ones varies.
     
  6. Open Ocean Diver

    Open Ocean Diver ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Toronto, Lauderdale-by-the-Sea
    1,219
    805
    My shimmed G250V... spring measures 23.11
     
  7. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    5,605
    7,121
    That might explain that low cracking effort...
     
  8. Open Ocean Diver

    Open Ocean Diver ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Toronto, Lauderdale-by-the-Sea
    1,219
    805
    It did help a bit, Installed longer spring 24.44 cracks .9” Spring inconsistency seems to be the key variance I’m always seeing. Your shim idea is the perfect solution.

    What do you think is best... install the shim on the BC side or poppet side of the spring?
     
  9. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    5,605
    7,121
    I'd put it on the BC side. There's a little more room to have the spring stay centered.
    Screenshot_20210407-114154_Chrome.jpg
    Not much room here...
     
    Open Ocean Diver likes this.
  10. Open Ocean Diver

    Open Ocean Diver ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Toronto, Lauderdale-by-the-Sea
    1,219
    805
    You mean install where you have the arrow?
     

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