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  1. #1
    Join Date
    Jun 2012
    Location
    Tracy, CA
    Posts
    217

    Default 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.
    Trailblazer® 302 Air Pak™
    Miller Dynasty® 350
    Millermatic 350P Aluminum
    Millermatic® 252
    Syncrowave 351

    SuitCase® X-TREME™ 12VS

    Multimatic™ 200
    Millermatic® 211 Auto-Set™ w/MVP™
    XR-Aluma Pro Gun
    Diversion™ 180

    Spectrum® 625 X-TREME™

    Thermal Dynamics® Cutmaster® 52
    Victor Oxy/Acetylene Set

  2. #2
    Join Date
    May 2010
    Location
    Central CA
    Posts
    781

    Default 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

  3. #3
    Join Date
    Jun 2012
    Location
    Tracy, CA
    Posts
    217

    Default

    Quote 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.
    Trailblazer® 302 Air Pak™
    Miller Dynasty® 350
    Millermatic 350P Aluminum
    Millermatic® 252
    Syncrowave 351

    SuitCase® X-TREME™ 12VS

    Multimatic™ 200
    Millermatic® 211 Auto-Set™ w/MVP™
    XR-Aluma Pro Gun
    Diversion™ 180

    Spectrum® 625 X-TREME™

    Thermal Dynamics® Cutmaster® 52
    Victor Oxy/Acetylene Set

  4. #4
    Join Date
    Jun 2012
    Location
    Tracy, CA
    Posts
    217

    Default

    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.
    Trailblazer® 302 Air Pak™
    Miller Dynasty® 350
    Millermatic 350P Aluminum
    Millermatic® 252
    Syncrowave 351

    SuitCase® X-TREME™ 12VS

    Multimatic™ 200
    Millermatic® 211 Auto-Set™ w/MVP™
    XR-Aluma Pro Gun
    Diversion™ 180

    Spectrum® 625 X-TREME™

    Thermal Dynamics® Cutmaster® 52
    Victor Oxy/Acetylene Set

  5. #5
    Join Date
    Jun 2012
    Location
    Tracy, CA
    Posts
    217

    Default

    I got my TB 302 Air-Pak back yesterday. The new regulator works like a charm.
    Trailblazer® 302 Air Pak™
    Miller Dynasty® 350
    Millermatic 350P Aluminum
    Millermatic® 252
    Syncrowave 351

    SuitCase® X-TREME™ 12VS

    Multimatic™ 200
    Millermatic® 211 Auto-Set™ w/MVP™
    XR-Aluma Pro Gun
    Diversion™ 180

    Spectrum® 625 X-TREME™

    Thermal Dynamics® Cutmaster® 52
    Victor Oxy/Acetylene Set

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