Weldanpower 225 ac/dc australian made serial help
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  1. #1
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    Mar 2011
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    Weldanpower 225 ac/dc australian made serial help

    Hi all.
    Picked up a WP225 acdc today and after giving it the once over it seems like its all good.
    Serial is 192793 and lincoln code is 1153.

    I cant seem to find anything about it. Id like to know the age and possibly find a manual for it. Attached are photos of the unit and the plate on the engine

    Any help is appreciated.
    Cheers
    Matt
    Attached Images Attached Images   
    SkinWeld Engineering. Melbourne, Australia
    -All types of Welding and Fabrication-

    2004 Miller Syncrowave 250DX
    Esab TopFlex 400
    EWM Hightec 162 Elite

  2. #2
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    Mar 2009
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    3,236

    Re: Weldanpower 225 ac/dc australian made serial help

    Never seen such an animal. Might email / pm TJ on here with onanparts.com He might be able to give you year model of engine off the serial # there.
    "You can't out puke a buzzard"

  3. #3
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    Re: Weldanpower 225 ac/dc australian made serial help

    That's the 20hp Model B48G Onan but I don't think I can help much if any on the machine itself being made outside the states. Have the same issue with Canadian machines.

    PM me an email address and I can send you a Service Manual for the Onan though.
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  4. #4
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    Re: Weldanpower 225 ac/dc australian made serial help

    The states side Lincoln Service Navigator 2.0 shows Code 1153 as the SAE-300 and even the Lincoln Australia site comes up empty so I'd say you're going to have to see if your local Lincoln Dealer/Distributor can help you out.

    http://www.lincolnelectric.com/en-au/Pages/default.aspx
    MM200 w/Spoolmatic 1
    Syncrowave 180SD
    Bobcat 225G Plus - LP/NG
    MUTT Suitcase Wirefeeder
    WC-1S/Spoolmatic 1
    HF-251D-1
    PakMaster 100XL
    '68 Red Face Code #6633 project
    Star Jet 21-110

    4 out of the 5 voices in my head say "Go for it".

  5. #5
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    Australia
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    Re: Weldanpower 225 ac/dc australian made serial help

    Thanks guys.
    I've opened it up and the wiring diagram is gone (the one inside the cover) So thats a great start haha.
    Welds fine, just would like to see if theres a circuit that I'm probably missing that allows the engine to idle down so it's not running full steam all the time. I can adjust the spring tension on the throttle arm that seems to be running from some kind of govener/actuator but it only opens the throttle, not the other way round.

    Thanks again team.
    SkinWeld Engineering. Melbourne, Australia
    -All types of Welding and Fabrication-

    2004 Miller Syncrowave 250DX
    Esab TopFlex 400
    EWM Hightec 162 Elite

  6. #6
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    Re: Weldanpower 225 ac/dc australian made serial help

    If the idler system is intact there should be an electric solenoid and linkage as part of the throttle control. The spring you mentioned is most likely just the normal high idle speed adjustment. Obviously the low idle solenoid would pull the throttle in the opposite direction and up against the minimum idle adjustment screw on the carburetor.

    If you can post a few photos of the carb/governor linkage and top of the engine we might be able to point you in the right direction to check things out.
    MM200 w/Spoolmatic 1
    Syncrowave 180SD
    Bobcat 225G Plus - LP/NG
    MUTT Suitcase Wirefeeder
    WC-1S/Spoolmatic 1
    HF-251D-1
    PakMaster 100XL
    '68 Red Face Code #6633 project
    Star Jet 21-110

    4 out of the 5 voices in my head say "Go for it".

  7. #7
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    Mar 2011
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    Australia
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    Re: Weldanpower 225 ac/dc australian made serial help

    So after contacting Lincoln Australia, I got a response back pretty quickly with an owners manual attached.
    Turns out on the petrol engine version of this machine it doesnt sensing circuit that detects load.
    Also no mention of hi/lo idle either.
    I think the engine is running at 3150 rpm no load and drops to 2950 rpm when loaded.
    To me that seems the wrong way round but its outlined in the manual so I guess its right.

    Thanks for your help Duane. Im going to go over the onan manual you sent me and see if I can uncover anything else.
    Attached is the excerpt from manual showing no load/load speeds and a photo of the linkage between govener and carb.

    Matt
    Attached Images Attached Images   
    SkinWeld Engineering. Melbourne, Australia
    -All types of Welding and Fabrication-

    2004 Miller Syncrowave 250DX
    Esab TopFlex 400
    EWM Hightec 162 Elite

  8. #8
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    3,236

    Re: Weldanpower 225 ac/dc australian made serial help

    Sounds like a US version of a Red-D-Arc welder. A slightly dumbed down version of Lincoln welders. I think. I've never fully understood exactly who or what or why they exist. But they run at one speed like you describe.

    http://www.red-d-arc.com/?&gclid=CN3...FQhqfgod9fcCmg
    "You can't out puke a buzzard"

  9. #9
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    Re: Weldanpower 225 ac/dc australian made serial help

    From the manual Skinweld was provided by Lincoln AUS and now the photo confirmation, the unit did/does not feature an auto idle system not that it couldn't be added if one wanted to spend the time, effort and money to do the modification.

    Personally, I wouldn't consider it unless I had a parts machine with everything required at my disposal and even then . . .
    MM200 w/Spoolmatic 1
    Syncrowave 180SD
    Bobcat 225G Plus - LP/NG
    MUTT Suitcase Wirefeeder
    WC-1S/Spoolmatic 1
    HF-251D-1
    PakMaster 100XL
    '68 Red Face Code #6633 project
    Star Jet 21-110

    4 out of the 5 voices in my head say "Go for it".

  10. #10
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    Re: Weldanpower 225 ac/dc australian made serial help

    Quote Originally Posted by Skinweld View Post
    I think the engine is running at 3150 rpm no load and drops to 2950 rpm when loaded.
    To me that seems the wrong way round but its outlined in the manual so I guess its right.
    No, that's correct.

    The Onan is equipped with the common design flyweight/spring mechanical governor which has a typical droop (drop in rpm from no-load to full-load) of approximately 150-200rpm. The no-load 3150rpm yields an auxiliary power output frequency of 52.5Hz and the full-load 2950rpm results in an acceptable 49.2Hz for the machine's 50Hz rating.
    MM200 w/Spoolmatic 1
    Syncrowave 180SD
    Bobcat 225G Plus - LP/NG
    MUTT Suitcase Wirefeeder
    WC-1S/Spoolmatic 1
    HF-251D-1
    PakMaster 100XL
    '68 Red Face Code #6633 project
    Star Jet 21-110

    4 out of the 5 voices in my head say "Go for it".

  11. #11
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    Mar 2011
    Location
    Australia
    Posts
    15

    Re: Weldanpower 225 ac/dc australian made serial help

    Quote Originally Posted by duaneb55 View Post
    No, that's correct.

    The Onan is equipped with the common design flyweight/spring mechanical governor which has a typical droop (drop in rpm from no-load to full-load) of approximately 150-200rpm. The no-load 3150rpm yields an auxiliary power output frequency of 52.5Hz and the full-load 2950rpm results in an acceptable 49.2Hz for the machine's 50Hz rating.
    Well since putting on a new 2 into 1 muffler on it to replace the old straight out exhaust cans its running at a more consistant level.
    Put a multimeter across the power points it reads a steady 51.8 hz no load, which is in the range. And its a lot quiter, you can actually hear the engines fan now. With earplugs in the noise level is barely noticible at 30+ feet away on the end of the stinger.

    Thanks for all the help and discussion Duane and team.
    Matt
    SkinWeld Engineering. Melbourne, Australia
    -All types of Welding and Fabrication-

    2004 Miller Syncrowave 250DX
    Esab TopFlex 400
    EWM Hightec 162 Elite

  12. #12
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    Re: Weldanpower 225 ac/dc australian made serial help

    Springs tend to loose spring rate over time especially when kept under tension as a governor speed spring is so it wouldn't hurt to make the small adjustment to yours to bring the no-load frequency up to the maximum 52.5Hz which should keep droop under load within the acceptable limit. When springs get so bad - usually from excessive rusting - they simply can't maintain proper speed droop control and require replacing.



    Handy to have is the speed/frequency equations:
    RPM = (Hz x 120)/# of generator poles
    or . . .
    Hz = (RPM/120) x # of generator poles

    In the case of your Weldanpower, it's a 2-pole generator where 50Hz = 3000RPM (60Hz = 3600RPM) and in all cases the 120 is a constant. A 4-pole generator numbers would be 50Hz = 1500RPM (60Hz = 1800RPM).
    MM200 w/Spoolmatic 1
    Syncrowave 180SD
    Bobcat 225G Plus - LP/NG
    MUTT Suitcase Wirefeeder
    WC-1S/Spoolmatic 1
    HF-251D-1
    PakMaster 100XL
    '68 Red Face Code #6633 project
    Star Jet 21-110

    4 out of the 5 voices in my head say "Go for it".

  13. #13
    Join Date
    Mar 2011
    Location
    Australia
    Posts
    15

    Re: Weldanpower 225 ac/dc australian made serial help

    Quote Originally Posted by duaneb55 View Post
    Springs tend to loose spring rate over time especially when kept under tension as a governor speed spring is so it wouldn't hurt to make the small adjustment to yours to bring the no-load frequency up to the maximum 52.5Hz which should keep droop under load within the acceptable limit. When springs get so bad - usually from excessive rusting - they simply can't maintain proper speed droop control and require replacing.



    Handy to have is the speed/frequency equations:
    RPM = (Hz x 120)/# of generator poles
    or . . .
    Hz = (RPM/120) x # of generator poles

    In the case of your Weldanpower, it's a 2-pole generator where 50Hz = 3000RPM (60Hz = 3600RPM) and in all cases the 120 is a constant. A 4-pole generator numbers would be 50Hz = 1500RPM (60Hz = 1800RPM).
    I'll adjust it and run a few tests with different tools and see what I get from the power outlets.
    Thanks for everything Duane. Been a fantastic help.
    SkinWeld Engineering. Melbourne, Australia
    -All types of Welding and Fabrication-

    2004 Miller Syncrowave 250DX
    Esab TopFlex 400
    EWM Hightec 162 Elite

  14. #14
    Join Date
    Jul 2008
    Location
    Pacific Northwest
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    216

    Re: Weldanpower 225 ac/dc australian made serial help

    One of at least 111 based on the number of Onan engines.
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    Miller Legend
    Miller XMT 200
    Miller HF 251D
    Miller Spoolmatic 30A
    MillerTrailBlazer 250G
    Lincoln LN 25
    Lincoln G9 Pro
    LincWelder 225
    Lincoln Ranger 9
    Lincoln Ranger 275


    TJ
    http://onanparts.com

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