AutoArc Welder Installation??

Submitted: Friday, Mar 14, 2008 at 15:53
ThreadID: 55537 Views:2302 Replies:4 FollowUps:0
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I picked up an AutoArc welding setup from the Wandin show the other day.
Anybody know how to wire these things up? It comes with instructions that are not the clearest and dont suit my setup.

- I want to run it as a second alternator instead of replacing the stock one. is there anything special that needs to be done to run two alternators?
- I have a dual battery setup but they are not isolated, how does this effect the welding setup as from how i understand it disconnects the battery when you are welding.
- Anyone know how to actually use the thing, it only has one switch and I havn't got any instructions on how to actually use it. Dont want to fry my electricals guessing how to use it.

Thanks for any help.

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Reply By: David - Friday, Mar 14, 2008 at 16:06

Friday, Mar 14, 2008 at 16:06
Hi Leeham,

Contact the people who you got it off, if they are any good the will help you out, if not tell them they can have it back.

Give a man a fish and he will eat for a day. Teach him how to fish, and he will sit in a boat and drink beer all day.

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Reply By: Member - DOZER- Friday, Mar 14, 2008 at 17:31

Friday, Mar 14, 2008 at 17:31
Congrats on a great little jigger, i have a setup aswell, and can walk you through setup.
Firstly, you have the alt, but did it come with the control box (black box with solenoid hanging from it and auto arc printed on it)
Also, a white box with a power point, two quick disconnect plugs for the welder electrode holder and the work clamp, and the idle up doover with switch.
I will have to re-familiarise myself with the setup, but from memory, when you switch on the switch, the alternator stops charging the second battery and starts supplying 230 volts dc, and becomes a welder.....the more you rev the alt, the more amps it produces up to 180 amps at 23 volts (also, the white box has a tranny in it that steps up the volts x10
I have ran two hallogen gloves off this, (2400 watts) while i welded some plate
Andrew Wollongong
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Reply By: stocky - Friday, Mar 14, 2008 at 23:24

Friday, Mar 14, 2008 at 23:24
What vehicles you got them on - I have a older uni-power I'm tryign to fit up on my GU C/Chassis and having fun finding place for the 2nd alt!
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Reply By: leehamescort - Monday, Mar 17, 2008 at 09:53

Monday, Mar 17, 2008 at 09:53
Thanks for the replys, I am mounting it in a Toyota Surf with a 253 holden motor, I am in the process of relocating the 2nd battery so i have room for the second alternator.

I bought it from a market stall, but it is all brand new in the original box. I got all the leads, control box, inverter box, so am pretty sure i have all the bits. It came with some written instructions but these do not have any info for running it as a second alternator and what to do if you have two bateries.

If it disconnects the electrical system while welding do i need to disconnect the second alternator as well? Can you weld your own vehicle with it? I thought you had to disconnect the batteries when welding your own vehicle, if the alternator and battery are disconnected by the control unit the car wont run?

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