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Thread: 200pi tig alum

  1. #1

    200pi tig alum

    Been a while, several yrs since I've been here.
    Recently bought a house up in northern maine with a garage.
    Now I can finally set everything up.

    I had a broken cast alum part in my 30 yr old snowblower. Dirty oily cast alum.
    I broke all the rules, used old grinder disk on electrode, didn't clean with acetone etc.
    Same on the broken part.
    But it welded up just fine.
    New part costs $150 so it was worth fixing.

    I've read people had problems when the machine sits idle, mine sat for several yrs and still works. Don't know how to post pics, not going to bother with photobucket.

    I posted 2 pics on snowblower forums in post #8.
    http://www.snowblowerforum.com/forum/ajax.php?do=mddSwitch&link=full#/topics/119409?page=1&gid=1&pid=2
    Last edited by jonesg; 12-16-2017 at 06:34 PM. Reason: Pics

  2. #2
    Couldn't find the photos from the link. If you want to email them to me I'll add them to your post for you.
    I had a 200PI that died after several months of setting idle. Iliked the 200PI so well I bought another one from a friend who had his set idle for two years, it works fine for me. I suspect some of those units were prone to a cold solder joint somewhere in the system, that's exactly how I would expect a cold solder joint to act. Let it set for a long period and the bad joint will oxidize on the surface preventing contact properly. I started reflowing all the joints on the main logic board of my old unit but got about two thirds of the way through and got busy and didn't get back to it. I'm going to try to finish it this winter and see if that made any difference. I'll post the results on the forum good or bad when I finish.
    Send me the pics, I'd like to see the results of your efforts and I'll add them to your post.
    Dan
    You can send an email by clicking on my name above my avatar.
    Units owned Longevity PROmts 200

    Force Cut LP80 plasma cutter
    Longevity auto dark welding helmet

    Atlas 10x36" lathe
    Craftsman 5HP 30 Gal compressor
    Home made CNC router/plasma/hot wire foam cutting, 3D printing table powered by Longevity Force Cut LP80
    Home built aluminum foundry, HF 4x6 bandsaw

  3. #3
    Can't find your email anywhere.
    Are there direction how to do it?

  4. #4
    I did see your previous post and others about problems with the machine, just wanted to add they aren't all failing.

  5. #5
    Click on my name as shown below.
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    That will open up a box with a link to send email
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    Units owned Longevity PROmts 200

    Force Cut LP80 plasma cutter
    Longevity auto dark welding helmet

    Atlas 10x36" lathe
    Craftsman 5HP 30 Gal compressor
    Home made CNC router/plasma/hot wire foam cutting, 3D printing table powered by Longevity Force Cut LP80
    Home built aluminum foundry, HF 4x6 bandsaw

  6. #6
    Ok I managed switch from phone view to full website view and that option box appeared with link as you showed. I have no computer hookup jere.
    Last edited by jonesg; 12-19-2017 at 05:10 AM.

  7. #7
    Try again.

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    South Bend 9"x36" Precision Model A. Woohoo!
    Sherline lathe and vert mill.
    Weller soldering gun.
    Pair of pliers.
    Some glue.
    Lincoln mig Weldpac 100.
    200PI tig .
    An extention chord.
    And a boat.
    HF 21 Gal vertical compressor.

  8. #8
    Ahh, ok, it works now.
    Broken part in previous post, mounted on shaft to align it, then welded.

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  9. #9
    I also used the welder to remove the worst rusted on wheels I've ever seen, nothing budged them, forget penetrating oil or heat, it wasn't gonna happen.

    I welded steel collars to the wheel and used them to grab with gear pullers, broke my 3 jaw and finished the job with air hammer from behind the wheel. On second wheel i used a Pittman arm puller, these wheels fought me all the way off. They're heavily greased now. Without the welder this repair doesn't happen.

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    South Bend 9"x36" Precision Model A. Woohoo!
    Sherline lathe and vert mill.
    Weller soldering gun.
    Pair of pliers.
    Some glue.
    Lincoln mig Weldpac 100.
    200PI tig .
    An extention chord.
    And a boat.
    HF 21 Gal vertical compressor.

  10. #10
    Harbour freight 3 jaw puller. Stripped the threads with impact gun.
    I looked at a similar 3 jaw at tractor supply and it has acme threads vs the HF metric machine threads.
    Remnants are on the floor in final pic.
    Not sure how long this welder will last but it's probably 7 yrs old by now, just glad I had it.
    South Bend 9"x36" Precision Model A. Woohoo!
    Sherline lathe and vert mill.
    Weller soldering gun.
    Pair of pliers.
    Some glue.
    Lincoln mig Weldpac 100.
    200PI tig .
    An extention chord.
    And a boat.
    HF 21 Gal vertical compressor.

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