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Welding on a tractor ?

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bill

04-23-2001 18:30:21




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I will be repairing a bucket on a front end loader which is attached to my John Deer tractor by Stick welding. My question is this: should I take any special precautions to prevent damage to the electical system on the tractor, or the fuel in the front tank ?

Bill




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john ne.

04-24-2001 09:11:01




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 Re: welding on a tractor ? in reply to bill, 04-23-2001 18:30:21  
Just connect the welder ground to the piece welded, just as close to the weld as possible. Anything newer with any kind of electronics on it, definitely disconnect the battery ground, an exploded battery is a nasty mess. Not to mention electronic components worth thousands. john



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Paul

04-23-2001 21:09:09




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 Re: welding on a tractor ? in reply to bill, 04-23-2001 18:30:21  
I lost an old Chrysler alternator during a welding project. It wasn't much of an alternator anyhow, and might have been a coincidence. As Mr. English said, don't clamp your ground in a position that will force the welding current to flow through a bearing. Not good for bearings.



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Al English

04-23-2001 19:56:52




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 Re: welding on a tractor ? in reply to bill, 04-23-2001 18:30:21  
Hi bill, It has always been standard practice to disconnect the battery before welding. The logic is that if wiring or electrical items are energized by the welder an arc can occur within the battery damaging it, or causing it to explode. That being said, I don't think I've ever disconnected a battery before welding on a vehicle or machine. Whether or not you decide to chance it, be careful not to arc to any electrical components or wiring, and insure the welders ground clamp is attached directly to the part or structure you are welding on. Good luck...Al English

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Scott Green

04-24-2001 02:40:00




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 Re: Re: welding on a tractor ? in reply to Al English, 04-23-2001 19:56:52  
Al , I would reply to this posting , but no sence in it. Your reply is almost word for word for what I would have put down.



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Jerry B

04-23-2001 18:46:46




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 Re: welding on a tractor ? in reply to bill, 04-23-2001 18:30:21  
I was once told by some one who is supposed to know his stuff, that if you are going to weld on a machine with an alternator on it, to remove the ground strap from the battery and the hot wire from battery to the alternator. I have done this many times when welding and have yet to burn out an alternator.



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Jon Hagen

04-23-2001 19:13:03




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 Re: Re: welding on a tractor ? in reply to Jerry B, 04-23-2001 18:46:46  
Have heard the same precautions as Jerry B tells about. On our last 4 loader tractors in the last 20+years we have done hours of loader repair welding without disconnecting anything, and have never lost an alternator or any other electrical part.
Not to say it can't happen but I have not seen it.



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