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  1. #11
    Join Date
    Mar 2011
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    st-eustache qc.canada
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    204

    Default

    your contactor and wire frying has probably been caused by that defective unloader valve, as it tried to start loaded. Some time also combined with a defective check-valve at the tank entrance ( also seen parts of the head valve plates stuck in check valve...) Don't tell us it has no fuses or breaker Ha!

  2. #12
    Join Date
    Mar 2011
    Location
    st-eustache qc.canada
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    204

    Default

    HN 80 if you get your hand on a formula to calculate cfm at different psi and psi at different cfm or whatever...I'm interested

  3. #13
    Join Date
    Nov 2003
    Posts
    3,092

    Default

    Quote Originally Posted by snowbird View Post
    HN 80 if you get your hand on a formula to calculate cfm at different psi and psi at different cfm or whatever...I'm interested
    OK... here ya go...

    http://www.engineeringtoolbox.com/co...ume-d_843.html

    http://www.engineeringtoolbox.com/fr...ir-d_1190.html
    Last edited by H80N; 02-25-2014 at 08:04 PM.
    .

    *******************************************
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    “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

    Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

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  4. #14
    Join Date
    Feb 2013
    Location
    Southwestern WV
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    61

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    Quote Originally Posted by snowbird View Post
    your contactor and wire frying has probably been caused by that defective unloader valve, as it tried to start loaded. Some time also combined with a defective check-valve at the tank entrance ( also seen parts of the head valve plates stuck in check valve...) Don't tell us it has no fuses or breaker Ha!
    Well you hit the nail on the head. Lol. Yes its breakered but its over killed like everything else I do.
    Syncrowave 350lx
    XMT 350 CC/CV
    S74DX Feeder
    Hypertherm 1000 g3
    Harris O/A
    Cincinnati lathe
    Acer Ultima "Bridgeport Mill"
    Other doodads and a stoker coal stove

  5. #15
    Join Date
    Feb 2013
    Location
    Southwestern WV
    Posts
    61

    Default

    I can see that you guys have your act together but I don't. I shoulda gathered up more information than I have before I start gouging out questions. Lol. I'll pick up a cylinder and some fittings and see if I can round up more info and get back with you guys.
    Syncrowave 350lx
    XMT 350 CC/CV
    S74DX Feeder
    Hypertherm 1000 g3
    Harris O/A
    Cincinnati lathe
    Acer Ultima "Bridgeport Mill"
    Other doodads and a stoker coal stove

  6. #16
    Join Date
    Oct 2007
    Location
    Cave Creek Az
    Posts
    967

    Default

    Oxy reg won't work, wrong nipple, may not give enough CFH. I did it with nitrogen years ago, used a high pressure Fischer reg that I used.
    How many horse compressor? Should have a centrifugal unloaded. If that is broke, just add a pressure switch with an unloaded on it. If it is 7.5hp or less, just buy a single phase motor and be done with it. Starters are about 50 bucks on eBay.

  7. #17
    Join Date
    Nov 2003
    Posts
    3,092

    Default

    Quote Originally Posted by walker View Post
    Oxy reg won't work, wrong nipple, may not give enough CFH. I did it with nitrogen years ago, used a high pressure Fischer reg that I used.
    How many horse compressor? Should have a centrifugal unloaded. If that is broke, just add a pressure switch with an unloaded on it. If it is 7.5hp or less, just buy a single phase motor and be done with it. Starters are about 50 bucks on eBay.
    Breathing air regulators use a "348" CGA nipple

    Oxygen regulators use a "540" CGA nipple

    http://www.ohiomedical.com/UserFiles...der%20Data.pdf
    .

    *******************************************
    The more you know, The better you know, How little you know......

    “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

    Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

    My Blue Stuff:
    Dynasty 350DX Tigrunner
    Dynasty 200DX
    Millermatic 350P w/25ft Alumapro & 30A
    Millermatic 200

    TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam..

  8. #18
    Join Date
    Aug 2012
    Location
    Hermiston Oregon
    Posts
    236

    Default ppl)pkojjvp! mamp

    Q oow dr
    .
    Miller Bobcat 225NT onan
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    Spoolmate 100
    (Retapped to fit regular mig tips)
    Work better & less parts to stock.
    Miller 130xp
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    Oxygen/Acetylene torch set 50'
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  9. #19
    Join Date
    Apr 2006
    Location
    TAXACHUSSETTS
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    1,481

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    Why not just use a portaband?Or some .045 slice wheels on a angle grinder they make them for aluminum cutting ive used them work pretty well.
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  10. #20
    Join Date
    Nov 2006
    Location
    Lake of the Ozarks MO
    Posts
    3,547

    Default

    Nitrogen is the correct gas anyways.
    I vote repair the Quincy. Dang good compressors IMO

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