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  1. #1
    Join Date
    Apr 2010
    Posts
    1

    Default I have a miller big 40 with an teledyne f163 motor

    This year it rained an awful lot and moisture got into valves which in turn after pulling head off the engine seems to be seized up anyone have any ideas should I try to free it up or replace the motor or rebuild the engine what other engines fit this same welder it welds like nothing else except bad engine someone please help I'm lost here

  2. #2
    Join Date
    Nov 2006
    Location
    Lake of the Ozarks MO
    Posts
    3,583

    Default

    Very carefully rebuild IMO

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  3. #3
    Join Date
    Oct 2007
    Posts
    2,949

    Default Rebuild

    Quote Originally Posted by maaxcam View Post
    This year it rained an awful lot and moisture got into valves which in turn after pulling head off the engine seems to be seized up anyone have any ideas should I try to free it up or replace the motor or rebuild the engine what other engines fit this same welder it welds like nothing else except bad engine someone please help I'm lost here
    Visit the following website: www.billswelderrepair.com He's in Oklahoma City, OK. Not sure where you live, but a Big 40 is worth repairing. Might want to go through the generator portion, and you'll have a new welder when your done.

    Dave
    Last edited by davedarragh; 04-07-2010 at 09:20 AM.
    "Bonne journe'e mes amis"

  4. #4
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,834

    Default

    Well if the pistons are just frozen, there are 2 methods of unsticking them other than rebuild, one is to add about an inch of WD-40 liquid into the cylinders and let it sit for a couple of days.

    Or get yourself some rags and diesel fuel, stick a inch or so in the cylinders with the oil soaked rags and light it up. As long as the pistons are not at TDC, this method tends to work the best as it frees up the cylinders and piston rings through heat and lubrication.

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