Fairies have tails? I did not know that!!!

Ok, you got me on that one. That's what I get for proof reading too fast. Let's make that TALES.

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Auto Zentral Ltd.

"proof reading too fast."= oxymoron
Not " effectively proof reading " at any speed = bad

Flush? - maybe to move the flush, but argon and nitrogen will do little to flush an AC system. Flush is a liquid solvent.

System should be thoroughly evacuated so argon should not be a problem. I have never heard of anyone using it for AC. It is non-corrosive, don't know if it might affect seals. I doubt it just because of its use in welders and regulators, etc.

There were good leak detectors in the $150 range last I checked. I have an Inficon TEK-Mate and have gotten good service from it. I don't use it commercially however.

My detector will detect the propane refrigerants. You can easily test this with a BIC lighter, etc.

I assumed Larry knew what I was talking about... put the liquid flush in and use dry Nitrogen to push it through...

How about a good $30 detector... call me FIRST when you find one of those....

I kinda like the idea of propane and a Bic lighter.

I have read about people checking natural gas leaks with a lighter...
And of course you don't want to burn R12 either....

Better to check the detector with the lighter, check the leaks with the detector.

Yes Greg, I did know that you meant using it to push the liquid solvent through. I think it would be good to put a blast through the system before evacuation to displace moisture.

I know absolutely nothing about the use of Argon vs. Nitrogen. If it works that's great since you have it on hand. Let us know what you learn about this.

I recently priced a Nitrogen bottle et al, thinking I would have to chase a leak in my 124 car. It turned out that my problem is the vacuum pods that operate the heinous 124 climate control flaps. This is not much better news than if I had to change the evaporator. I have to remove the entire instrument panel and heater core. It apparantly is not buried as deeply as the evaporator.

So, I will be doing lots of instrument panel R&R in the heat. I wonder how many tons of refrigeration unit it would take to air condition my non insulated, tin hay barn converted into shop?

I have some fans, one being a high volume fan. I will set them up and go at it, probably starting this weekend. We're having our first 100 degree day. My timing is really great.

Have a great day,

We are about in the same situation.. but I can't even get to where my big fan will point...

I have one concept to help you out...

WORK AT NIGHT....

I am about to hook up the lights on my tractor and even plow and mow at night....

Actually I'm a morning person, so I expect to be out there before daylight and work 'til I melt.

I don't ranch any more, but when I did I would cut and bale into the darkness until things started getting too damp, that meant knocking off about 10:30 at the latest. I had several lights rigged on the right side of my tractor so I could see the baler and haybine.

I didn't do it to keep cool, although that was a nice side benefit. I did it because there weren't enough hours in the day to work my day job and get everything done that needed doing around the place.

I also fed in the dark during the Winter months. I've put out lots of hay, grain and minerals in the headlights of my pickup. I've pulled a calf more than once in the headlights of my pickup.

Your farming at dark plan has lots of merit. Anything to beat the heat.

Good luck,