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Repowering a Bobcat 225 from Onan gas to Onan diesel

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  • Repowering a Bobcat 225 from Onan gas to Onan diesel

    Team,

    First post on this site.

    Probably should have thought of this site before I ever started down the road of this project.

    Fast pass: I traded myself into a Bobcat 225 that I knew had sat out in the weather. The air cleaner was non-existent, which meant that the Onan Performer engine was going to need some love.

    After checking on rebuild kits for the Performer, I tripped across a freshly refurbished 2 cylinder Onan diesel. Some guy had purchased a bunch of them from military surplus auction.

    Rotation of the diesel is correct for the Bobcat.

    I have yet to separate the Onan gas engine from the generation unit as it appears I need to pull both as a unit from the Bobcat frame and then remove the loooooong bolts that run from front of generation/power unit, through the back and into the Onan Performer.

    Although I am partial to diesel power, if the consensus is to stick with the Onan gas engine - I will whole heartedly listen. I am not interested in creating the next Batmobile - just looking to get this welder running.

    If gas: any recommendations for affordable rebuild kits on the Onan Performer?

    If diesel: any guidance/recommendations on how to come off the flywheel of the Onan diesel and connect to the power unit?

    From what I have briefly read, the Onan Performer has a tapered snout shaft that runs off "front" of engine.

    Under the statement that: Anything can be accomplished with enough money and time.......................I am - unfortunately - a little short on both right now. Any insight on best path from point A to running welder - would be great.

    Thanks in advance.

  • #2
    Doesn't anyone from Miller monitor this site?

    Team Miller,

    Surprising to me that a forum sponsored by the company and part of your website - isn't monitored by company personnel.

    My post/request has had 225 views. NOBODY from Miller spends time on this site?

    I could understand if it was an obscure welding forum - but my question was about a Miller welder.........posted on the Miller sponsored forum.

    Comment in any direction you want - just comment.

    I've got an old Lincoln tombstone arc welder. Perhaps I will see if I get any better response from the Lincoln team when I request help from them.

    When y'all are in your corporate meetings trying to figure out how to improve brand loyalty - may I suggest a discussion around replying to customers asking for help? I guarantee you it will go a long way. I am positive that you can find some consulting firms that will teach you how to say "hello" to a customer.......in exchange for a lot of money.

    Thank you so very much. My experience was great.

    Comment


    • #3
      I think its best to e-mail Miller. There are some guys on here who may be able to help but you'll have to wait until they log in and maybe have the answers.

      This site gets a good bit of traffic, most like myself wouldn't have a clue to what your asking. Just hang around awhile and someone will come along that knows how to help.

      Good luck

      Comment


      • #4
        Call Miller direct on the phone. Ask for the engine drive dept. You'll be able to talk to a tech.
        MM250
        Trailblazer 250g
        22a feeder
        Lincoln ac/dc 225
        Victor O/A
        MM200 black face
        Whitney 30 ton hydraulic punch
        Lown 1/8x 36" power roller
        Arco roto-phase model M
        Vectrax 7x12 band saw
        Miller spectrum 875
        30a spoolgun w/wc-24
        Syncrowave 250
        RCCS-14

        Comment


        • #5
          ttahoe1 wrote --

          When y'all are in your corporate meetings trying to figure out how to improve brand loyalty - may I suggest a discussion around replying to customers asking for help? I guarantee you it will go a long way. I am positive that you can find some consulting firms that will teach you how to say "hello" to a customer.......in exchange for a lot of money. ----End quote

          ------------------------------------------------------------------------------------------------------------


          Maybe if you contacted them direct instead of a post on an open forum? See below.


          Originally posted by MMW View Post
          Call Miller direct on the phone. Ask for the engine drive dept. You'll be able to talk to a tech.
          Last edited by MMW; 03-27-2013, 02:16 PM.
          MM250
          Trailblazer 250g
          22a feeder
          Lincoln ac/dc 225
          Victor O/A
          MM200 black face
          Whitney 30 ton hydraulic punch
          Lown 1/8x 36" power roller
          Arco roto-phase model M
          Vectrax 7x12 band saw
          Miller spectrum 875
          30a spoolgun w/wc-24
          Syncrowave 250
          RCCS-14

          Comment


          • #6
            Originally posted by MMW View Post
            ttahoe1 wrote --

            When y'all are in your corporate meetings trying to figure out how to improve brand loyalty - may I suggest a discussion around replying to customers asking for help? I guarantee you it will go a long way. I am positive that you can find some consulting firms that will teach you how to say "hello" to a customer.......in exchange for a lot of money.


            Maybe if you contacted them direct instead of a post on an open forum?
            Best suggestion yet to get a more timely response. This way they can address your questions more quickly for you. It would be a good idea to have the engine serial & model numbers handy when you contact them, along with any other info you can get off the engine data plate or other sources.

            Comment


            • #7
              Originally posted by MMW View Post
              Call Miller direct on the phone. Ask for the engine drive dept. You'll be able to talk to a tech.
              Give them a call, what have you got to lose(except extended wait time for your answers)?

              Comment


              • #8
                When and if you do get ahold of a Miller rep be sure and tell them how important YOU and your question are, bet they drop everything just to help YOU out.
                Last edited by Old Skool; 03-27-2013, 09:59 AM.
                Miller Trailblazer's ( 2 )...MillerBobcat 250...Millermatic 251's ( 2 )...Miller Syncrowave 200...Miller Syncrowave 180SD...Miller 12VS Suitcases ( 2 )... Hobart Hefty CC/CV Suitcases ( 2 )...Miller 30A Spool Guns ( 2 )...Miller WC 15A Control boxes ( 2 )...Thermo Dynamics Cutmaster 50 Plasma Cutters ( 2 )...Thermo Arc Hi Freq Units ( 2 )...Smith / Victor O/A Sets...DeWalt Power Tools...Craftsman / Snap On Hand Tools... Two Dodge Mobile Rigs

                Comment


                • #9
                  I hear the best way to get FREE answers is to complain about the speed in which you receive them. You could always do some ACTUAL research on your own to try to solve YOUR problem. But maybe all you know how to do is have people tell you what to do.

                  Not saying you can't bump your thread for attention, I would just check your long winded generalized gripes you have with the world. Fact is nobody cares, you got yourself into this. Nobody here, even miller stands to make money from you, so be happy if you get any response, not upset when you don't. Just general forum etiquette.
                  Last edited by Cgotto6; 03-27-2013, 07:48 AM.

                  Comment


                  • #10
                    "If diesel: any guidance/recommendations on how to come off the flywheel of the Onan diesel and connect to the power unit?"


                    I don't think Miller can get involved in such projects. To many things can go wrong, miller would be putting themselves square in the sights of a lawyer.

                    I would think a welding repair business or small motor shop familiar with both motors would be the best place to get help.

                    Comment


                    • #11
                      ttahoe1,

                      We do read every post on the Forums every day, but if you require a response from Miller, itís best to contact customer service directly. You can reach them by phone (920 734 9821) or email through the Contact form located here: http://www.millerwelds.com/service/contactus.html.

                      Although we do jump in on the Forums from time to time, their main purpose is to provide a place for members to connect with each other.

                      Comment


                      • #12
                        Originally posted by tttahoe1 View Post

                        I've got an old Lincoln tombstone arc welder. Perhaps I will see if I get any better response from the Lincoln team when I request help from them.
                        Yup the Lincoln forum is ready and waiting ...Bob
                        Bob Wright

                        Spool Gun conversion. How To Do It. Below.
                        http://www.millerwelds.com/resources...php?albumid=48

                        Comment


                        • #13
                          I can't believe you ask such a question when that's not done much and then belly ach about about nobody getting involved and then get the moderator involved this is a great site don't mess it up . Do a Search for the the Lincoln site you may be there awhile good luck and good riddance . I just found out the other day what a troll is.

                          Comment


                          • #14
                            Originally posted by tttahoe1 View Post
                            Team Miller,

                            Surprising to me that a forum sponsored by the company and part of your website - isn't monitored by company personnel.

                            My post/request has had 225 views. NOBODY from Miller spends time on this site?

                            I could understand if it was an obscure welding forum - but my question was about a Miller welder.........posted on the Miller sponsored forum.

                            Comment in any direction you want - just comment.

                            I've got an old Lincoln tombstone arc welder. Perhaps I will see if I get any better response from the Lincoln team when I request help from them.

                            When y'all are in your corporate meetings trying to figure out how to improve brand loyalty - may I suggest a discussion around replying to customers asking for help? I guarantee you it will go a long way. I am positive that you can find some consulting firms that will teach you how to say "hello" to a customer.......in exchange for a lot of money.

                            Thank you so very much. My experience was great.

                            OK, as a Miller CST tech, your idea is Foolish and economically unwise. The time and cost that you will spend in a machine shop getting it "just right" will be huge. And yes lots of people look at the posts, some may help if they can, and some will ponder this idea as strange as it is. Remember that not everyone is tech.

                            I don't visit here everyday. I have to work for a living....

                            Comment


                            • #15
                              ..............and just like THAT - I get 13 replies.

                              Most of which were kickin' me around, but that is alright. Probably deserved on my part.

                              I appreciate the guidance and probably should have just called the tech line.

                              Apologies to anyone I offended - including Miller.

                              Comment

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