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Should I rebuild or not on Big 20 welder

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  • Should I rebuild or not on Big 20 welder

    Hey Miller Guys
    I works with Salvage (rebuildable cars) Yard -my boss brought the Miller Big 20. The guy told him that that welder had bad or cracked head gasket of the engine. It won't run..I don't know what do with them?
    I should fix or have rebuild on the engine? How cost the engine rebuild kit would? Or Take it to Metal/Scrap yard?




    What is your suggestion?
    MillerMatic 211

  • #2
    part2

    more pixes



    MillerMatic 211

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    • #3
      Nice pix dude.
      Welcome to the forum
      I think you should rebuild it if you can do the labor yourself. If not you may wanna put it on Craiglist.

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      • #4
        Can't really see it being the head gasket on an L head. Probably just siezed. Does it turn over at least?

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        • #5
          Can you post a picture of the faceplate? If it's what I'm thinking it is, they weren't much of a welder setting on the showroom floor.
          Caution!
          These are "my" views based only on “my” experiences in “my” little bitty world.

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          • #6
            Is it worth it? It would make a big difference if it was a blown gasket vs a cracked head. Lots of running units around compared to putting a fresh engine in this one. If you need it thats a matter, or if you will run it long enough to pay or if you sold it tomorrow could you recoup the effort?

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            • #7
              I'd pull the head off see if it's a cracked head or just a blown head gasket....blown head gasket is a cheap fix....cracked head you could find out what other equipment uses that same engine and maybe find one in the junkyards. small skidsteers, aircompressors, ect. should be a tag on the engine...get the make and model and google it to find out what other things used that same engine.
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              • #8
                Continental Red Seal F163.

                Way too easy to fix and the unit in way too good of shape to scrap. I say fix it.
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                • #9
                  Originally posted by duaneb55 View Post
                  Continental Red Seal F163.

                  Way too easy to fix and the unit in way too good of shape to scrap. I say fix it.
                  That was pretty much my assessment as well. Even if the welder part was junk I would still keep what was left of the engine.

                  www.facebook.com/outbackaluminumwelding
                  Miller Dynasty 700...OH YEA BABY!!
                  MM 350P...PULSE SPRAYIN' MONSTER
                  Miller Dynasty 280 with AC independent expansion card
                  Miller Dynasty 200 DX "Blue Lightning"

                  Miller Bobcat 225 NT (what I began my present Biz with!)
                  Miller 30-A Spoolgun
                  Miller WC-115-A
                  Miller Spectrum 300
                  Miller 225 Thunderbolt (my first machine bought new 1980)
                  Miller Digital Elite Titanium 9400

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                  • #10
                    That was pretty much my assessment as well. Even if the welder part was junk I would still keep what was left of the engine.
                    Are we a compulsive junk collector?

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                    • #11
                      Originally posted by duaneb55 View Post
                      Continental Red Seal F163.

                      Way too easy to fix and the unit in way too good of shape to scrap. I say fix it.
                      Originally posted by FusionKing View Post
                      That was pretty much my assessment as well. Even if the welder part was junk I would still keep what was left of the engine.
                      I too would keep the engine, it would bolt right up to one of my SA 200s. Can't say I've run a Big 20, but have run a lot of Big 40's. Never was impressed with the arc! Back when wire feeds were just coming out, a lot of outfits had Big 40s they put out too much OCV, so we had to back the engine rpm down so the wire would feed.
                      Caution!
                      These are "my" views based only on “my” experiences in “my” little bitty world.

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                      • #12
                        Originally posted by Sberry View Post
                        Are we a compulsive junk collector?
                        OMG....look who's talking!

                        I believe WE would be correct

                        www.facebook.com/outbackaluminumwelding
                        Miller Dynasty 700...OH YEA BABY!!
                        MM 350P...PULSE SPRAYIN' MONSTER
                        Miller Dynasty 280 with AC independent expansion card
                        Miller Dynasty 200 DX "Blue Lightning"

                        Miller Bobcat 225 NT (what I began my present Biz with!)
                        Miller 30-A Spoolgun
                        Miller WC-115-A
                        Miller Spectrum 300
                        Miller 225 Thunderbolt (my first machine bought new 1980)
                        Miller Digital Elite Titanium 9400

                        Comment


                        • #13
                          Originally posted by cruizer View Post
                          Can't really see it being the head gasket on an L head. Probably just siezed. Does it turn over at least?
                          I turned it over. Pretty hard turn...

                          Originally posted by Sonora Iron View Post
                          Can you post a picture of the faceplate? If it's what I'm thinking it is, they weren't much of a welder setting on the showroom floor.
                          Here>>





                          T
                          Originally posted by flatbroke View Post
                          I'd pull the head off see if it's a cracked head or just a blown head gasket....blown head gasket is a cheap fix....cracked head you could find out what other equipment uses that same engine and maybe find one in the junkyards. small skidsteers, aircompressors, ect. should be a tag on the engine...get the make and model and google it to find out what other things used that same engine.
                          Yes I found thru google. It is Continental 4 clyinders- come from aircraft something?
                          Where I can get the replace the parts like new gaskets,new bearings for crankshaft and cam.
                          MillerMatic 211

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                          • #14
                            It is Big 20 Constant Current DC Arc Welding Generator

                            If I decide to rebuild on engine, can add the Tig?
                            MillerMatic 211

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                            • #15
                              Remove the plugs, add a couple oz's of WD-40 to each cylinder. Re-install the plugs. Let it sit over night or for a couple of days. If it turns over now, it should fire up

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