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Testing a little harbor freight to CFM battery powered pump. A little on the slow side.  

Tom Lech / LECH AIR CONDITIONING
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It is faster with three-quarter inch silicone high vacuum hose with specially designed high flow fittings. 

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22 авг 2024

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Комментарии : 8   
@who_wantsit
@who_wantsit Месяц назад
Thank you for all the videos you make for us
@coldfinger459sub0
@coldfinger459sub0 Месяц назад
@@who_wantsit you’re welcome thank you
@28704joe
@28704joe Месяц назад
Price point VS performance, the ageless battle.....
@w0lvez1
@w0lvez1 Месяц назад
Molecular sieve will speed up the process. You see moisture start bursting from the highest micron reading. Graph looks like a stair. Just put it on metal container before the vacuum pump
@Hotrodman
@Hotrodman Месяц назад
- How many batteries are you planning to use filming this? - Yes 😅
@coldfinger459sub0
@coldfinger459sub0 Месяц назад
@@Hotrodman I have to recharge the battery at least once every day The little pump just is never able to reach the same level as the large 12 CFM even if I use 100 batteries
@thisisyourcaptainspeaking2259
@thisisyourcaptainspeaking2259 Месяц назад
Yeah, now try pumping out a wet system.
@coldfinger459sub0
@coldfinger459sub0 Месяц назад
@@thisisyourcaptainspeaking2259 I did and it wasn’t even wet. I have to remake the video because I had to do a memory purge on my phone . But I took a completely dry 50 pound recovery cylinder That took like less than 10 minutes to get below 500 µm even with this little pump because it was already dried out by a bigger pump . Then I went to one of the garages that I do air conditioning for and use their shop compressed air and put it into the dry tank . After several hours, the pump could not get down below 200 µm . And I had to finish it up with my big pump to purge and clean out to remove the moisture out of the 50 pound tank . When I remake those it’ll be good apples to apples comparison Especially showing how bad Shop compressed air contaminates a system
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