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Using Shop Air To Leak Test?
Posted: Sun Nov 15, 2020 4:53 pm
by seagiant
Hi,
I see guys on U-Tube, using shop air and a soap bottle to find leaks in Auto AC Units.
Thoughts?
Re: Using Shop Air To Leak Test?
Posted: Sun Nov 15, 2020 6:21 pm
by Tim
Nitrogen is a better gas for leak testing. Shop air unless used with a paint regulator will induce moisture to the system.
Re: Using Shop Air To Leak Test?
Posted: Sun Nov 15, 2020 7:00 pm
by seagiant
Hi,
Thanks, but won't the pump down get rid of air anyway?
That seems to be the thinking on it, but I do understand Nitrogen is a better mouse trap!
Re: Using Shop Air To Leak Test?
Posted: Sun Nov 15, 2020 7:45 pm
by Tim
Air yes, moisture depends!!
Re: Using Shop Air To Leak Test?
Posted: Mon Nov 16, 2020 11:42 am
by seagiant
Hi,
Thanks!
Re: Using Shop Air To Leak Test?
Posted: Wed Dec 02, 2020 11:24 pm
by swampy 6x6
HHi
Shop air contains alot ,,a huge amount of moisture. Shop air condensate trap is only very basic a moisture trap such as used for spray painting worth 100-1000 dollars traps moisture. Besides moisture will be trapped in refrigeration system easily as a result just donot introduce potential problems to begin with .
Always taught only use nitrogen . Besides nitrogen can go 200psi which is where u want to test . Shopair will only go 90psi
Re: Using Shop Air To Leak Test?
Posted: Sun May 02, 2021 5:10 am
by chrstopher007
seagiant wrote: ↑Sun Nov 15, 2020 4:53 pm
Hi,
I see guys on U-Tube, using shop air and a soap bottle to find leaks in Auto AC Units.
Thoughts?
Shop air unless used with a paint regulator will induce moisture to the system.
Re: Using Shop Air To Leak Test?
Posted: Tue May 04, 2021 5:41 am
by Cusser
Desiccant won't give up its trapped moisture to vacuum during evacuation.
Use nitrogen or a can of R134a for leak detection by bubbles, electronic sniffer, or UV dye.
seagiant wrote: ↑Sun Nov 15, 2020 4:53 pm
Hi, I see guys on U-Tube, using shop air and a soap bottle to find leaks in Auto AC Units.
Yeah, and I see guys on YouTube riding bicycles off building roofs, etc. And a guy using lacquer thinner to clean out a catalytic converter; my brother-in-law saw that and set his car on fire. Which set the garage on fire. Which set the house on fire. Total loss.