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  1. #1
    Join Date
    Aug 2013
    Posts
    3

    Default Blue star 180k problems

    Hi there I've got a blue star 180 that I bought which the previous owner replaced the orginal engine with a harbor freight predator engine. My question is what can I do with the wire that hooks up to the rectifier since a pred doesn't have an alternator ?.? And what is the voltage required on this wire I believe it is # 50.
    can this be bypassed?
    Last edited by Akilowatt; 08-30-2013 at 10:36 PM. Reason: Additional info

  2. #2
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,610

    Default

    Does the predator not have a charge coil? Does it have a starter, pull and/or electric? A serial would be handy as there are 2 180K diagrams.

  3. #3
    Join Date
    Aug 2013
    Posts
    3

    Default 180k problems

    The predator only has one wire coming off the charge coil it is electric start with a rope backup. Did not find a ser on the welder but the wiring dia under the cover is # SC-147 173
    the welder is not producing any output at the plugs or the weld output. And I'm thinking that this might be the problem and is there a way to bypass this???
    Last edited by Akilowatt; 08-30-2013 at 11:10 PM.

  4. #4
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,610

    Default

    T1 is an AC coil. thats looking for the input from the charge coil in the engine. Not entirely sure how you would mimic that

    Now that charge wire (which goes to #57 on the 180K), has to go to a rectifier. You will ahve to dig out the other side of its rectifier, as #50 has to go to it. Otherwise you will have to mimic the 18Vac to RC1-3&4 from T1 isolation transformer.

    You may get away with going direct to RC1-3, 4 with 12VDC. Won't matter on polarity. Output will be reduced, but it may work.


    I use tech manuals not owners manuals, so your #'s mean squat. Thats why I use your serial#'s

  5. #5
    Join Date
    Aug 2013
    Posts
    3

    Default 180k problem

    Where would the ser no be located didn't find one on the faceplate ? I looked on millers website but the only manuals available were owners manuals where can I get a tech manual?
    Last edited by Akilowatt; 08-31-2013 at 08:49 PM.

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