Evacuate & Recharge An AC system, Also Replace Schrader Valves
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- Опубликовано: 31 май 2024
- AC Service Port Valve Core & Cap Kit = amzn.to/2yFbYtM
AC Gauges = amzn.to/3eLpQ6x
AC Recovery Equipment = amzn.to/2VQSKcN
R134a Refrigerant = amzn.to/3cM6QDb
00:00 - Intro
00:45 - Connect Gauges
02:36 - Set Up AC Recovery Machine
08:35 - Replace Schrader Valves
10:35 - Vacuum & Refill AC System 
Авто/Мото
I have probably watched 20 or so videos on this topic. There is a lot of misinformation on RUclips about this procedure, but your video seems to have all the correct steps in one easy to watch place. With this, as well as the supplementary information in the comments, I think this is the most comprehensive guide for automotive AC refrigerant recovery I have seen!
Very good video. Just a few things I noticed.. only recover from low side, if you recover from high side you will remove oil. If tank is new it must be vacuumed out. Last but not least don't use quick disconnect fittings... they just make a mess specially when there is dye in the system, it wastes refrigerant and hurts the environment.
Thanks for explaining taking the time to make an excellent video. On more than one occasion you provided helpful insights not covered in related, more played videos. These insights are exactly what I am looking so a project doesn't turn into an all day / weekend event.
Good basic video. Where do you take the recovered refrigerant for recycling? Do they simply suck out your recovery tank?
thank you for sharing my friend great 👍 video
Does the pag oil goes with the freon?
Hey thanks for a very informative video! Question, do you know where the oil goes from the system when the machine recovers it? I used to work at a shop and our full size machine separated it into a separate canister. Does this one do that or does it send the oil into the recovery tank?
So I just got my certificate so I’m gonna basically give you the textbook answer since I don’t have much experience quite yet. (More or less saying I have done this for 30 seconds and beyond the certification material I have no idea what I’m doing)
Some of the oil will dissolve in the refrigerant. But most should stay in the compressor. The stuff that dissolves in the refrigerant could pool in the bottom of the recovery cylinder.
There’s several hvac channels on RUclips that show cut open recovery cylinders and a few have shown how much compressor oil pools in the bottom where the dip tube doesn’t reach. Interesting stuff if you’re a nerd like me that like looking up stuff like that.
If that is a brand new recovery tank then you would first need to purge the nitrogen out and then draw a vacuum on it.
Yes but this seems to be "empty"...
I have a question why not put the same freon back? Can you do that at all?
Not really, it would be like taking a shower and collecting the water for next time. The refrigerant needs to be recycled.
@@VWtech562 ok. I need explanation on this ???
What makes something like the Robin air 34788 machine different than what this guy has. Filters? And a vacuum pump I know. It just seems like I can reuse the freon. I use a filter when collecting and a filter when recharge so far so good
@@mrpaulvoline1275 I'm on the same Page as you are. I've asked myself the same question. I use a Robinair roll around machine at work and all I do is replace the filter after 150 hrs.
But how good that filter works when recovering refrigerant on burned-out compressors?
In my opinion you would also need a refrigerant identifier to make sure there is no air or contaminated refrigerant before putting it back in.
Didn't purge the air out for the second can so you introduced a whole line full of air into the system.
Not really, he has a valve on the can, when the first can is empty the valve is closed and the hose is airtight, no need to purge for a second can.
Shiet 👀
So we're gonna go ahead, we're gonna go ahead, we're gonna go ahead, we're just gonna go ahead. How many times can we repeat one sentence?!!! Shame because it's a good video. I just can't understand why todays Americans have to repeat that sentence all the time. It's annoying.