• Welcome to ScubaBoard


  1. Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.

    Benefits of registering include

    • Ability to post and comment on topics and discussions.
    • A Free photo gallery to share your dive photos with the world.
    • You can make this box go away

    Joining is quick and easy. Login or Register now by clicking on the button

Scubapro G250 can't be serviced??

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

  1. Centrals

    Centrals Barangay Pasaway

    # of Dives:
    Location: Hong Kong
    9,698
    3,544
    This is going to turn something like car modification! No ending!
    Keep going and have fun.

    Hobby is priceless.
     
  2. couv

    couv Instructor, Scuba

    # of Dives: 1,000 - 2,499
    Location: 13th floor of the Ivory Tower
    6,019
    3,870
    There is nothing wrong with using a shim on the spring/balance chamber.
     
  3. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    5,638
    7,184
    But if you can get 0.7", just turn the knob in a turn. Or, like @couv said, throw in a shim.

    If 0.7" is the max you can get, well, that's a problem.
     
  4. buddhasummer

    buddhasummer Bat sh.t crazy

    # of Dives: 1,000 - 2,499
    Location: Nanny State
    12,101
    4,620
    Make sure you're looking right but that your tongue is on the left side of your mouth, I've had good success doing this.

    I often end up with .8" especially on converted G250s, in water no issue. Interestingly I often struggle to get lower than 1.1" on G250Vs, depends how much wiggle room I want it to have, can get down to .9-1" if I'm patient.
     
    Open Ocean Diver likes this.
  5. buddhasummer

    buddhasummer Bat sh.t crazy

    # of Dives: 1,000 - 2,499
    Location: Nanny State
    12,101
    4,620
    I encounterd this super low cracking .6-.7" after using some damaged orifices which I tried to tidy up using a lathe, which only flattened out edge and increased seat surface contact. It was a fail.
     
  6. buddhasummer

    buddhasummer Bat sh.t crazy

    # of Dives: 1,000 - 2,499
    Location: Nanny State
    12,101
    4,620
    My point, is orifice unmolested?
     
  7. Open Ocean Diver

    Open Ocean Diver ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Toronto, Lauderdale-by-the-Sea
    1,252
    823
    If I turn the knob in yes I can get over 1.5, I just wanted to see factory spec with knob out and no shim, like yours. Unless your testing with a lowering IP. With the shim I’m at 1 with knob all the way out.
     
  8. buddhasummer

    buddhasummer Bat sh.t crazy

    # of Dives: 1,000 - 2,499
    Location: Nanny State
    12,101
    4,620
    Where can I get these "shims" ? I'm interested in having a play.
     
  9. Open Ocean Diver

    Open Ocean Diver ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Toronto, Lauderdale-by-the-Sea
    1,252
    823
    I got them from Rob, I believe the ones I have are spring pads from a G500.
     
    buddhasummer likes this.
  10. Open Ocean Diver

    Open Ocean Diver ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Toronto, Lauderdale-by-the-Sea
    1,252
    823
    They are the original orifices when I purchased the regulators, they look to be in good condition, unmolested. Maybe I’ll swap one for a new orifice I have a few. I figured since they seal with such light spring pressure the orifice would be fine.
     

Share This Page