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| Jeffs9146 |
 Feb 25 2011, 01:35 PM
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#1
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Ski Bum  Group: Members Posts: 4,062 Joined: 10-January 03 From: Discovery Bay, Ca Member No.: 128  |
Lennies914 is in the field welding on a large CoGeneration system and is having problems with the welder. The system is built into a building and wired into the electrical system. The welder is pluged into the wall and the CoGen unit is shut off.
When the welder ground is attached to the CoGen unit and he attempt to weld the wire heats up inside the feeder and the wire melts and balls up! If he disconnects the ground the wire feeds fine. I used this welder a week ago and it worked great at my house! The question is: What would cause this? Would the fact that the CoGen system is grounded to the same plug that the welder is pluged into cause a problem? If a battery is hooked to the CoGen system would that cause this problem? OR Is there anything else that may cause this problem? |
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Replies
| rick 918-S |
Feb 25 2011, 09:43 PM
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#2
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Hey nice rack! -Celette Group: Members Posts: 20,826 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region 
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Check the liner. The liner could be contacting a ground source within the welder. The liner is acting as your ground source back to the feed roller. Make sure there is no slag inside the nozzle and make sure the welder end of the liner is not grounded.
Are you running this on 110? |
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Posts in this topic
Jeffs9146 Welders Chime In Please! Feb 25 2011, 01:35 PM
underthetire Probably ground looping. Lennie has my number Feb 25 2011, 01:45 PM Jeffs9146 Thats what I told him it could be! I am just l... Feb 25 2011, 01:46 PM stugray The inside of a wire feeder is isolated from the o... Feb 25 2011, 03:23 PM toon1 There are + and - wires inside the flip up door th... Feb 25 2011, 07:27 PM
Lennies914
There are + and - wires inside the flip up door t... Feb 25 2011, 08:25 PM Lennies914 Thanks Guys,
I just got home and tried my welder.... Feb 25 2011, 08:10 PM rick 918-S Is the welder sitting on the Co Gen unit? There ma... Feb 25 2011, 08:32 PM Jeffs9146 The welder is sitting on a cart that is on rubber ... Feb 25 2011, 08:43 PM Lennies914
The welder is sitting on a cart that is on rubber... Feb 25 2011, 08:47 PM kg6dxn Are you using a power recepticle from the Co Gen? ... Feb 25 2011, 08:47 PM Lennies914
Are you using a power recepticle from the Co Gen?... Feb 25 2011, 08:51 PM Jeffs9146
That was my first explanation when Lennie called... Feb 25 2011, 09:12 PM Jeffs9146 Thanks Rick! I think we have eliminated a prob... Feb 25 2011, 09:57 PM rick 918-S
Thanks Rick! I think we have eliminated a pro... Feb 25 2011, 10:00 PM kg6dxn
kg6dxn said the neutral may also be looped in th... Feb 26 2011, 12:04 AM Racer Chris I didn't read all the answers above, but my fi... Feb 26 2011, 03:12 AM toon1
There are + and - wires inside the flip up door ... Feb 26 2011, 10:38 AM |
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