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  • TB 302 Compressor Problem

    Hi-

    I've got 22 hours on the compressor side of my TB 302 Air Pak.

    This morning I wasn't able to increase pressure at all. I was able to start the compressor just fine. The compressor motor kicks in when I turn the CFM knob on.

    Oil is coming from the pressure relief valve. I did hold the valve open a bit while the compressor was running. I've done that in the past and only had air come out.

    By the time I got back to my shop and fired it up, the pressure was able to be raised. A mechanic checked the compressor oil and said it appeared to be overfilled. I bought this unit new in 2012 and have never added any oil.

    Any Ideas? Should I take it in? Possible blown seal?

    Thanks.
    Lincoln Vantage 400
    Trailblazer® 302 Air Pak™

    Miller Dynasty® 350
    Millermatic 350P Aluminum
    Millermatic® 252
    Syncrowave 351
    Lincoln LN-25 Pro

    Multimatic™ 200

    XR-Aluma Pro Gun
    Diversion™ 180

    Spectrum® 625 X-TREME™

    Thermal Dynamics® Cutmaster® 52
    Victor Oxy/Acetylene Set

  • #2
    Froze up

    It could be it that it was too cold this morning, after all the temp was down in the mid 30's.
    I have oil leaking out the right side of my compressor too.
    I never looked to see where it was coming from, I figure it will stop some time soon.
    I changed oil on mine at the 50 hr. mark.
    If you have a hard time finding the Mobil 1 ATF, my fuel man can supply it.
    At last look I had over 200 hrs. on my compressor and about 5 hrs. on the welder.
    I've been doing all my welding in the shop.
    Good Luck,
    Bob
    Millermatic 252 w/30A
    Big Blue Air Pak
    Ellis 3000 Band Saw
    Trailblazer 302 Air Pak w/ Wireless Remote
    8-RC
    Dynasty 200 DX
    XMT 350 MPa w/S-74 MPa Plus
    Millermatic 211
    Passport Plus
    Spectrum 625 X-TREME
    Lincoln SA-200 Blue Tint Red Face '63
    2-Lincoln SA-200 Red Face '68
    SA-200 Black Face '59
    SA-200 Green Lite '84
    SA-200 Green Lite '80
    SA-200 Red Face '69
    SA-200 Red Face '66
    SA-200 Green Lite '81
    '70 Black Face Round Barrel

    Comment


    • #3
      Originally posted by Bob Miller View Post
      It could be it that it was too cold this morning, after all the temp was down in the mid 30's.
      I have oil leaking out the right side of my compressor too.
      I never looked to see where it was coming from, I figure it will stop some time soon.
      I changed oil on mine at the 50 hr. mark.
      If you have a hard time finding the Mobil 1 ATF, my fuel man can supply it.
      At last look I had over 200 hrs. on my compressor and about 5 hrs. on the welder.
      I've been doing all my welding in the shop.
      Good Luck,
      Bob
      Thanks Bob. I never thought about the temperature.
      Lincoln Vantage 400
      Trailblazer® 302 Air Pak™

      Miller Dynasty® 350
      Millermatic 350P Aluminum
      Millermatic® 252
      Syncrowave 351
      Lincoln LN-25 Pro

      Multimatic™ 200

      XR-Aluma Pro Gun
      Diversion™ 180

      Spectrum® 625 X-TREME™

      Thermal Dynamics® Cutmaster® 52
      Victor Oxy/Acetylene Set

      Comment


      • #4
        Turns out Miller is going to replace the regulator. I talked with a tech and explained the symptoms. He told me I should never have to adjust my pressure once I set it. All I should have to do is turn on/off the compressor. (Set it and forget it)

        That's never been the case for me since I got it new. I ALWAYS have to reduce the pressure and shut off the compressor. If I ever turned on the compressor without the pressure being set to minimum, I'd have to reduce the pressure knob and recycle the compressor on/off knob.

        I'll update when I get it back.
        Lincoln Vantage 400
        Trailblazer® 302 Air Pak™

        Miller Dynasty® 350
        Millermatic 350P Aluminum
        Millermatic® 252
        Syncrowave 351
        Lincoln LN-25 Pro

        Multimatic™ 200

        XR-Aluma Pro Gun
        Diversion™ 180

        Spectrum® 625 X-TREME™

        Thermal Dynamics® Cutmaster® 52
        Victor Oxy/Acetylene Set

        Comment


        • #5
          I got my TB 302 Air-Pak back yesterday. The new regulator works like a charm.
          Lincoln Vantage 400
          Trailblazer® 302 Air Pak™

          Miller Dynasty® 350
          Millermatic 350P Aluminum
          Millermatic® 252
          Syncrowave 351
          Lincoln LN-25 Pro

          Multimatic™ 200

          XR-Aluma Pro Gun
          Diversion™ 180

          Spectrum® 625 X-TREME™

          Thermal Dynamics® Cutmaster® 52
          Victor Oxy/Acetylene Set

          Comment

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