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[G-ManBart]

If the price is roughly the same, why not go with the floating ball setup? I can't imagine anything being much cheaper than $40 with a hose....

[G-ManBart]

Welcome!

For MIG there are two styles of regulator/flow meter available. One style has two round dials with one for tank pressure and the other for flow rate. The other style has a round dial for the tank pressure and a vertical tube with a ball showing flow rate. I think it's almost...

[G-ManBart]

I'm not an expert, but so far I've tried a CK amptrol with the north-south thumb slider, a Miller with a small east-west wheel and one I can't recall the brand that had an oval track with a wheel on each end and a rubber band that you could move with different fingers. I found the small east-west wheel...

[G-ManBart]

I've bought a number of pedals from SSC controls, and they've all been excellent. They actually frequently sell "cosmetic seconds" or something similar on eBay for less than you can buy them directly through their website. I've bought two of those so far and simply can't find a single flaw...

[G-ManBart]

I'd have to agree with Bushytails on this. Off the top of my head, I've cleaned (fine wire wheel) and gapped the points on 15 different TIG machines in the past year or so as I've bought, sold, traded and upgraded...and they've all worked perfectly afterwards. Generally speaking, the manuals say not...

[G-ManBart]

I should have been more specific in my reply...mine worked fine when turned slowly, but when you go to make big changes and quickly turn the dial is when they didn't track with the knob rotation....

[G-ManBart]

No need to start a second thread on the same topic. Yes, it's fan on-demand. You can go to Miller's support page and view the manual for free.

https://www.millerwelds.com/files/ow.../O353R_MIL.pdf

[G-ManBart]

The manual for that serial number shows it as being on-demand. The earlier models had a fan that was always on....

[G-ManBart]

What's the serial number? A 1998 Syncrowave 250 should have a fan on-demand setup that only runs when necessary.

[G-ManBart]

I had a MM251, then bought a 252 about a year ago and noted that the displays don't track the knob rotation well at all. I actually think the speed the knob is turned somehow enters into it as much as the amount of rotation. With the 251 the display matches the rotation of the knob closely, but one...

[G-ManBart]

Excellent!...

[G-ManBart]

Yes, the power lead is the one with the nut on it. Since it's cooled by water it doesn't have to be very thick. Many times the first sign that your cooler system has failed (or someone forgot to turn it on) is when the power lead line goes up in steam! You can actually get away with very short welds...

[G-ManBart]

You should see continuity between the positive post on the machine and the tungsten.

If you have a piece of aluminum, I would try setting the machine to AC, have the contactor and output switches set to remote, and the HF start to continuous and see if you can't get an arc started that...

[G-ManBart]

It wouldn't hurt to try setting the amperage control switch to panel and see what happens. The amperage will be fixed at whatever the amperage dial is set on, but that's fine for a test. That way the pedal controls arc start, but not amperage. We know the pedal is sending the signal to fire the HF,...

[G-ManBart]

I would definitely take a few minutes and give them a quick cleanup....Simple Green and shop towels will work wonders. Then, stage the pictures so that the cables and accessories are sort of orderly so folks can see as much as possible. That way they don't have to wonder if there is a work clamp,...

[G-ManBart]

I won't argue with a Miller tech, but I have cleaned the HF points with a fine wire wheel on many machines and they've always worked perfectly afterwards. The actual electrode part is made of tungsten and very hard. They get a bit of a dimpled texture after being used and I have yet to see a wire...

[G-ManBart]

Yes, the HF is working, but you have it set to continuous, so they keep firing...but that shouldn't stop it from welding. Double-check that you're getting gas flow through the torch as well. I'm not an expert, but I recall reading that the gas gets ionized and helps transfer the arc. I'd also check...

[G-ManBart]

The HF is clearly firing in your video. It won't hurt to clean them a bit...even just a swipe over a fine wire wheel is enough, and then set them around .010" gap. The electrode part of the points is made of tungsten and does wear over time, so they do need to be replaced periodically but if...

[G-ManBart]

So everything should just be free....got it.

You should give the free memory cards a try...

https://www.theverge.com/2018/4/25/1...ight-to-repair...

[G-ManBart]

Calling it a scam is ridiculous and whenever people complain about things like this it's because they simply don't understand how manufacturing works.

Many companies, in many industries do the same thing because it makes the most sense for both the manufacturer, and the consumer. It actually...