Harbor Freight AC/DC Stick Welde

by torchmanner
(NC)

I have a Harbor Freight AC/DC Stick Welder that I bought new in 1993-4. It puts out a more stable arc than some name brand machines. It has lasted for years. I think that it was made in Italy--not China. Got lucky I guess.
I am a Lincoln fan because from experience. When I was learning welding in college we went to a Miller 'show' at a local welding supply store. They had every product there. They were pretty to look at and I wanted everything they had.
Then I got my first welding job. I welded pulsed mig. The new Miller could not be adjusted to put out the same quality of weld that the older Lincoln could. Constant adjustments and repairs to the other Millers got on my nerves. The Hobart feeders were a nightmare. I have found that saving up the extra money for name brand equipment that I have is worth it.

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Dec 01, 2012
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Figured a bunch of stuff out NEW
by: Jason K

Ok,

I figured a bunch of things out.

1. It has a 3 phase 3 wire cord, and that is correct. I need to get a 3 prong welding plug and socket. So I'm good there.

2. I figured out the DC+/- issue, that was easy and a dumb question after I actually looked at the front panel with that in mind.

3. Once I get it up and running I'll check on the light issue.

Thanks for reading and forgive my obvious questions,

Jason

Dec 01, 2012
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Questions about the panel and wiring. NEW
by: Jason K

Hey,

That's great news!

I have some questions about the panel, if you could help me out I'd really appreciate it.

1. Which terminal is DC+ and which is DC-? There are two terminals on the lower right, one has a open oval type symbol if that helps.
2. Does the light in the center signify overheating or on?
3. Mine is currently wired with a 10 gauge 3-wire power cord. It did't have a male end on it when I got it and I'm thinking that they last guy wired it up himself, incorrectly. Is this incorrect, or some old standard? I'm planning on wiring it up with standard 4 wire 220V, is that a good idea? Am I missing anything?

Well, thanks for your help, I got the thing for $25, so I think I made out really well, but I need to do a few things before I can start striking arcs.

Thanks,

Jason

Dec 01, 2012
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torchmanner NEW
by: Anonymous

I lost the owners manual 15 years ago. To switch from AC to DC, or DC+ to DC-, just switch the leads to the proper posts.
The welder is @ 20 yr.s old and I still use it.

Nov 30, 2012
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Harbor Freight Welder NEW
by: Jason K

Hi,

I just picked up that same Harbor Freight welder used. Do you happen to have the manual, or can you tell me how to switch it over to DC?

The guy who had it before me had it wired for 110V, so I need to change that back too, if you have any tips please reach out.

Thanks,

Jason

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