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Thread: welding while attached to car

  1. 18th June 2009, 10:20 AM #1
    dirtdawg
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    welding while attached to car

    is it ok to wels onto front and rear bars while there still attached or should i take them off first, i just want to weld end caps on the bars
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  2. 18th June 2009, 10:22 AM #2
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    V8Ian
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    Quote Originally Posted by dirtdawg View Post
    is it ok to wels onto front and rear bars while there still attached or should i take them off first, i just want to weld end caps on the bars
    Disconnect the battery, then weld til your heart's content.
    If you don't like trucks, stop buying stuff.
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  3. 18th June 2009, 10:41 AM #3
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    Shonky
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    I think you need to disconnect the alternator too?
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  4. 18th June 2009, 10:49 AM #4
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    Quote Originally Posted by Shonky View Post
    I think you need to disconnect the alternator too?
    not normally

    but if you have a few output leads going to different things it would probably be a good idea just to be safe...
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  5. 18th June 2009, 10:57 AM #5
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    As long as there is no (12V, car) circuit all's good. Keep the (welder) earth as close as possible to the arc.
    If you don't like trucks, stop buying stuff.
    http://www.aulro.com/afvb/signaturepics/sigpic20865_1.gif
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  6. 18th June 2009, 11:12 AM #6
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    i agree with ian^^^^
    keep the earth as close to the weld as possible.

    cheers phil
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  7. 18th June 2009, 11:22 AM #7
    2stroke Guest
    And cover any glass or paint near your welds.
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  8. 18th June 2009, 11:31 AM #8
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    weeds
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    no need to disconnect the battery, just keep the earth clamp as close as possible to where you are welding
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  9. 18th June 2009, 12:00 PM #9
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    Quote Originally Posted by weeds View Post
    no need to disconnect the battery, just keep the earth clamp as close as possible to where you are welding
    I used to use this method in preference to disconnecting four batteries, would not be prepared to risk it on any vehicle with even the most basic of electronics/computeritis.
    If you don't like trucks, stop buying stuff.
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  10. 18th June 2009, 01:53 PM #10
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    If you disconnect the battery, and keep your earth close to the welding - on the bar itself rather than the body - you'll be right.

    Willem
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