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Old 02-24-2018, 11:27 PM   #1
thegrouse
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Default MIG welder help

I was given this welder a few years ago. I wired in a 230V circuit but I have never hooked it up. I have done some Oxy/Acy RG45 stuff and some brazing but I have never done any arc welding at all. I read a book and watched a few Youtube videos. I am trying to set this machine up. I am having trouble figuring out the shielding gas system. There is a regulator with a hose that has a brass fitting on the end but the machine only has a clear plastic tubing going into it. Am I missing a piece? The machine is labeled a Solar 2160. It appears to be a Century 117-067 model. I will try to get some photos
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Old 02-24-2018, 11:30 PM   #2
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Old 02-24-2018, 11:35 PM   #3
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you need a bottle of 75/25 gas, and get ready to pay, check the welding tips, wire size, They w/ a lil work, can build a lot of toys...
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Old 02-24-2018, 11:37 PM   #4
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I can pick up the gas locally but how to I get the gas through the brass regulator I have into the plastic tube that goes into the machine?
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Old 02-24-2018, 11:40 PM   #5
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Use 100% CO2 instead of 75/25. Lasts much longer and much cheaper.

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Old 02-24-2018, 11:43 PM   #6
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How can I get the CO2 into the machine with the setup I have? Is there a piece I am missing?
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Old 02-25-2018, 12:37 AM   #7
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Quote:
Originally Posted by thegrouse View Post
How can I get the CO2 into the machine with the setup I have? Is there a piece I am missing?
Have to change to nipple on the flow gauge. And screw it to a co2 bottle which can be rented monthly or yearly from and welding supply company.

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Old 02-25-2018, 12:56 AM   #8
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Thank you. So I just need to purchase a pipe fitting to barbed connection for my setup?
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Old 02-25-2018, 12:58 AM   #9
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Quote:
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Thank you. So I just need to purchase a pipe fitting to barbed connection for my setup?
That's what it looks like on the welder end. Then change nipple out on flow meter to fit co2 bottle.

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Old 02-25-2018, 02:23 AM   #10
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Get a good regulator. I use 75/25 but Iím just a hobby welder. Buy the bottle, I did years ago and saved $$$.


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Old 02-25-2018, 09:09 AM   #11
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Buy the bottle, it is cheaper then renting and when you run out you just swap the bottle for a full one.

I think all your missing is the valve to the bottle. I think the hose should thread directly into the back of your welder, is there no threaded port for the black hose in the back of the machine? I’m trying to recall what’s on the back of mine, I have a Hobart and I don’t recall using a clear hose.
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Old 02-25-2018, 09:15 AM   #12
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If you look at my first picture you can see the regulator that attaches to the bottle. My second picture shows the flexible tubing that goes into the back of the machine. I think I can get a brass fitting that will connect the two? For my use I may just try some flux core wiring. If I actually use this machine it will be welding broken pieces of metal together and maybe working on a camping trailer. Any reason I need to go the shielding gas route?

Last edited by thegrouse; 02-25-2018 at 09:16 AM. Reason: grammar
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Old 02-25-2018, 09:17 AM   #13
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Load your welder up and take it to the welding supply company. They should be able to get you the items you need to make it work and you'll only have to make one trip.
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Old 02-25-2018, 12:21 PM   #14
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I got this thing feeding wire now. Looks like solid wire. Is this brass piece on the opposite end of the whip from welding tip supposed to be held in with Allen set screw? Here is a photo from the back of the machine


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Old 02-25-2018, 01:36 PM   #15
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To answer your first question. Your hose on the regulator is likely a 5/8"x18 male. You need a 5/8"x18 female/ Barb adapter fitting. Take both hoses into a welding store and they can hook you up with the adapter. Or if you know the exact size of the threads and the ID of the clear hose, you can easily find the adapter online.
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Old 02-25-2018, 01:43 PM   #16
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https://www.weldmart.com/main/techni...eshooting.html
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Old 02-25-2018, 05:15 PM   #17
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Quote:
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Thank you. Can I just put in some flux core wire the same size as the wire in there now and start practicing without shielding gas?
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Old 02-25-2018, 05:33 PM   #18
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I just picked up a mig welder to learn on myself. My welder requires different polarity between solid wire/gas and flux core wire, not sure if yours is the same.
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Old 02-25-2018, 05:37 PM   #19
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Quote:
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Thank you. Can I just put in some flux core wire the same size as the wire in there now and start practicing without shielding gas?
Yes you can use flux cored wire. It spatters a little more than solid wire and is more expensive, but works fine.
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Old 02-25-2018, 05:41 PM   #20
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Quote:
Originally Posted by sr1209 View Post
I just picked up a mig welder to learn on myself. My welder requires different polarity between solid wire/gas and flux core wire, not sure if yours is the same.
This is correct information! Iím sure you can use Flux with that machine but you will have to swap your polarity over or it will not work right.
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Old 02-25-2018, 06:07 PM   #21
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Thank you. Do I just make the ground lead positive using these jumpers to change polarity?


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Old 02-25-2018, 08:12 PM   #22
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Can't see where your cables go, but flux-cored welding requires DC electrode negative.
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Old 02-25-2018, 08:59 PM   #23
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Quote:
Originally Posted by JES View Post
Buy the bottle, it is cheaper then renting and when you run out you just swap the bottle for a full one.
I pay $40 per year for my co2 bottle and swat when needed. Only paying for the co2 in the bottle.



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Old 02-25-2018, 09:42 PM   #24
thegrouse
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Quote:
Originally Posted by hot_rod_eddie View Post
Can't see where your cables go, but flux-cored welding requires DC electrode negative.
Thank you. That would make sense. The ground clamp currently goes into the upper left and that little chart on the front would indicate a DC - if I changed their position.
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Old 02-25-2018, 09:43 PM   #25
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Quote:
Originally Posted by Cultured Hick View Post
Yes you can use flux cored wire. It spatters a little more than solid wire and is more expensive, but works fine.
I may start out practicing with this and add a shielding gas if I find I need it for an application. I don't really have any current use for the machine but I should at least know how to operate it if it is in the garage.
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