Ive never tested the vacuum of the pump itself directly with a gauge though. thanks canyon,i see you bought the smaller of the two they sell.i was thinking about trying the bigger one.on your bag how hard is it pulling down?with my vacuum generator i can hardly pull a pleat from the part.just wondering if these pumps will pull down harder? I think there may be a misunderstanding here. Depending on your usage, you'll go through a lot of it, and it'll get expensive quickly. Welcome new registering member. It can pull down to that level of vacuum remaining. I realized there was a leak in my resin trap somewhere and Im gonna find it later today. Im debating filling it up with oil and just seeing how strong it is. It's just that simple! So far it turns on and off reliably and chugs along quite well. Thanks for the tip a ton. Don't get scammed by websites pretending to be Harbor Freight. Much appreciated! Are you positive you want to burn that? 
We have invested millions of dollars in our own test labs and factories, so our tools will go toe-to-toe with the top professional brands. Even used theyre over 200 dollars. 
Hopefully if its weak theyll take it back. has anyone used one of the hf pumps for any length of time?i was kinda wondering how long one might last?im running a venturie pump.i think it works well.im not sure how it compares to one of the high dollar pumps?anyone know how much of a difference there would be in vacuum between the two? Man These are the specs for the 98076-2V vacuum pump from Harbor Freight: [i]1/4" SAE intake fitting with dual ports for R134A and R12/R22 systems You must log in or register to reply here. Well I tried it out and youre dead on. A low number indicates that there is little air pressure remaining, therefore a high level of vacuum! a quart for off-brand vacuum pump oil, and Checker wanted $10.99 a quart. As for the pump itself its pretty nice. The device has a 1/2 gallon per minute extraction rate and comes with vacuum gauges and 5 probes. Did you do a leak test? Powered by Discourse, best viewed with JavaScript enabled. If the bag isnt holding vacuum and the pump has air flowing through it, it will be a smoke machine. Get 10% Off Your Entire Purchase When You Open a New Account, Get our best deals and latest news delivered straight to you. And we can sell them for a fraction of the price because we cut out the middleman and pass the savings on to you. If you can connect your vacuum cleaner to the airline to suck most of the air out, and THEN turn on the pump, it wont mist. It may not display this or other websites correctly. Check out Amazon, too.
Owner's Manual & Safety Instructions (PDF). I can inhale more than that. It states that the ultimate vacuum is a measly 1 pascals or .00295 inches of mercury. Ive probably bagged nearly 100 parts off it, and usually can get around 27-28 inches of mercury on it at the bag. But all that aside, its still from Harbor Freight. Full vacuum is 0 kPa. 75 micron/10 Pascal maximum vacuum Utilizes compressed air to safely clean up oil and other fluids. HVAC pumps will pull down on a 1 metre square bag with no problem at all, and they dont muck around getting there either. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. So far for me I havent had any problems. It's just that simple! I appreciate the advice. Get 10% Off Your Entire Purchase When You Open a New Account, Get our best deals and latest news delivered straight to you. Also, do not use all caps nor all lower case. Thank you Bill.I did not know that was available, but will certainly look for some at the auto parts store. exactly. For California consumers: more information about our privacy practices. You can go to your local auto arts store to find vacuum pump oil or just Google "vacuum pump oil" to find it online or get more information. You are using an out of date browser. HVAC pumps arent meant to pull air. Limitations apply. On that note. Am I just reading the specifications wrong or is this pump really that weak? The small harbor freight pumped pulled 23.4 inches of mercury on an area slightly bigger than one square foot pretty fast, I would say less than 10 seconds. And we can sell them for a fraction of the price because we cut out the middleman and pass the savings on to you. if you hook up a digital micron meter, youll never see it get that low on a bag). I need one of your pumps. I infused a small 2 by 6 inch part. JavaScript is disabled. No vacuum, or atmospheric pressure, is 101.4 kPa. Atmospheric is 101 kpa. Minimize clean up when working with cars, tractors, boats, small aircraft engines, industrial gear boxes, coolant and hydraulic systems. Thats still pretty weak. The pump pulled 65 cm of mercury (25.5905512 inches|1 atm = 29.9246899 inches). Normally I use this large blue belt drive GE pump at school but I wasnt able to take it home. For a better experience, please enable JavaScript in your browser before proceeding. Ruined that infusion but it was cheap fiberglass anyway, The initial mist isnt too bad but the leak is drawing air through which Tet and you have both identified as the problem. Missplaced decimal? Small and light and feels well built. i just bought one of the hf 3 cfm pumps.i think it works pretty good.i have used it for 2 curing cycles.its very quite and runs nice and smooth.its a 2 stage pump.witch i dont fully understand.it sounds like it switches modes after its been running awhile.it pulls a harder vacuum over the vacuum generator i was using before.i removed the t fitting it came with and installed a male 1/4 pipe to male 1/4 hose barb in its place.the cost was 149$and i got the 1 year warranty for another 20$. For California consumers: more information about our privacy practices. Weight: 15.28 lbs. Its a bit late of a reply, but Ive been using a harbor freight 2.5cfm pump for about 2-3 years now for smaller parts and it works just fine. Don't get scammed by websites pretending to be Harbor Freight. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or cs@harborfreight.com. The 6-1/4 gallon oil extractor extracts fluids through dipstick tubes as well as other openings. I took it out of the box, dumped in the oil and its worked like a charm. The only complaint I have is the oil mist. 75 microns is a pretty serious vac to pull, plenty for bagging stuff (i.e. O'Reilly's here wanted $12.99 (!) Ten pascals? So full vacuum at whatever ambient pressure happens to be, minus 1 pascal! If any problems come up in the future Ill post in this thread though. I wish I could afford these things. Luckily this small thing chugged along for an hour with little problem. pump oil bottle and 5 foot 9" grounded power cord, 115 volts, 60 Hz, 1/6 HP, 1720 RPM; 1/4" inlet port; Oil capacity: 200 ml; Overall dimensions: 10-3/4" L x 4-3/4" W x 8-7/8" H It is not the same thing as the various types of refrigerant oils used in air conditioning systems. thanks for the info.i think i might give it a try.i have my vacuume generator for a backup so i wont be stuck if it quits in the middle of a cure. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or cs@harborfreight.com. Includes 8 oz. A gallon of Black Gold oil is $25ish delivered, and you can get Robinair oil by the case. Your username must be your real First and Last name (for example: John Doe). Maybe youre not understanding the measurements. In other words, it will go up in smoke at the worse possible time! "Screen names" and "handles" are not allowed and your registration will be deleted if you don't use your real name. Do any of you have suggestions for a reliable pump that doesnt spray oil? With that pressure I was able to easily infuse two parts. I bought a Us General Vacuum pump but I have a question about it. We have invested millions of dollars in our own test labs and factories, so our tools will go toe-to-toe with the top professional brands. We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. [/i], Huh,
It fogged up my garage which is kinda annoying. There are mist-proof mufflers out thereor a glued on tube with lots of airweave/towels, Wow dead on. I had it running for 14 hours once and so far Ive had no problems. Note: Specifications are approximate and subject to change. The pump I use at school regularly pulls 20 inches of mercury.
We have invested millions of dollars in our own test labs and factories, so our tools will go toe-to-toe with the top professional brands. Even used theyre over 200 dollars. Hopefully if its weak theyll take it back. has anyone used one of the hf pumps for any length of time?i was kinda wondering how long one might last?im running a venturie pump.i think it works well.im not sure how it compares to one of the high dollar pumps?anyone know how much of a difference there would be in vacuum between the two? Man These are the specs for the 98076-2V vacuum pump from Harbor Freight: [i]1/4" SAE intake fitting with dual ports for R134A and R12/R22 systems You must log in or register to reply here. Well I tried it out and youre dead on. A low number indicates that there is little air pressure remaining, therefore a high level of vacuum! a quart for off-brand vacuum pump oil, and Checker wanted $10.99 a quart. As for the pump itself its pretty nice. The device has a 1/2 gallon per minute extraction rate and comes with vacuum gauges and 5 probes. Did you do a leak test? Powered by Discourse, best viewed with JavaScript enabled. If the bag isnt holding vacuum and the pump has air flowing through it, it will be a smoke machine. Get 10% Off Your Entire Purchase When You Open a New Account, Get our best deals and latest news delivered straight to you. And we can sell them for a fraction of the price because we cut out the middleman and pass the savings on to you. If you can connect your vacuum cleaner to the airline to suck most of the air out, and THEN turn on the pump, it wont mist. It may not display this or other websites correctly. Check out Amazon, too. Owner's Manual & Safety Instructions (PDF). I can inhale more than that. It states that the ultimate vacuum is a measly 1 pascals or .00295 inches of mercury. Ive probably bagged nearly 100 parts off it, and usually can get around 27-28 inches of mercury on it at the bag. But all that aside, its still from Harbor Freight. Full vacuum is 0 kPa. 75 micron/10 Pascal maximum vacuum Utilizes compressed air to safely clean up oil and other fluids. HVAC pumps will pull down on a 1 metre square bag with no problem at all, and they dont muck around getting there either. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. So far for me I havent had any problems. It's just that simple! I appreciate the advice. Get 10% Off Your Entire Purchase When You Open a New Account, Get our best deals and latest news delivered straight to you. Also, do not use all caps nor all lower case. Thank you Bill.I did not know that was available, but will certainly look for some at the auto parts store. exactly. For California consumers: more information about our privacy practices. You can go to your local auto arts store to find vacuum pump oil or just Google "vacuum pump oil" to find it online or get more information. You are using an out of date browser. HVAC pumps arent meant to pull air. Limitations apply. On that note. Am I just reading the specifications wrong or is this pump really that weak? The small harbor freight pumped pulled 23.4 inches of mercury on an area slightly bigger than one square foot pretty fast, I would say less than 10 seconds. And we can sell them for a fraction of the price because we cut out the middleman and pass the savings on to you. if you hook up a digital micron meter, youll never see it get that low on a bag). I need one of your pumps. I infused a small 2 by 6 inch part. JavaScript is disabled. No vacuum, or atmospheric pressure, is 101.4 kPa. Atmospheric is 101 kpa. Minimize clean up when working with cars, tractors, boats, small aircraft engines, industrial gear boxes, coolant and hydraulic systems. Thats still pretty weak. The pump pulled 65 cm of mercury (25.5905512 inches|1 atm = 29.9246899 inches). Normally I use this large blue belt drive GE pump at school but I wasnt able to take it home. For a better experience, please enable JavaScript in your browser before proceeding. Ruined that infusion but it was cheap fiberglass anyway, The initial mist isnt too bad but the leak is drawing air through which Tet and you have both identified as the problem. Missplaced decimal? Small and light and feels well built. i just bought one of the hf 3 cfm pumps.i think it works pretty good.i have used it for 2 curing cycles.its very quite and runs nice and smooth.its a 2 stage pump.witch i dont fully understand.it sounds like it switches modes after its been running awhile.it pulls a harder vacuum over the vacuum generator i was using before.i removed the t fitting it came with and installed a male 1/4 pipe to male 1/4 hose barb in its place.the cost was 149$and i got the 1 year warranty for another 20$. For California consumers: more information about our privacy practices. Weight: 15.28 lbs. Its a bit late of a reply, but Ive been using a harbor freight 2.5cfm pump for about 2-3 years now for smaller parts and it works just fine. Don't get scammed by websites pretending to be Harbor Freight. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or cs@harborfreight.com. The 6-1/4 gallon oil extractor extracts fluids through dipstick tubes as well as other openings. I took it out of the box, dumped in the oil and its worked like a charm. The only complaint I have is the oil mist. 75 microns is a pretty serious vac to pull, plenty for bagging stuff (i.e. O'Reilly's here wanted $12.99 (!) Ten pascals? So full vacuum at whatever ambient pressure happens to be, minus 1 pascal! If any problems come up in the future Ill post in this thread though. I wish I could afford these things. Luckily this small thing chugged along for an hour with little problem. pump oil bottle and 5 foot 9" grounded power cord, 115 volts, 60 Hz, 1/6 HP, 1720 RPM; 1/4" inlet port; Oil capacity: 200 ml; Overall dimensions: 10-3/4" L x 4-3/4" W x 8-7/8" H It is not the same thing as the various types of refrigerant oils used in air conditioning systems. thanks for the info.i think i might give it a try.i have my vacuume generator for a backup so i wont be stuck if it quits in the middle of a cure. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or cs@harborfreight.com. Includes 8 oz. A gallon of Black Gold oil is $25ish delivered, and you can get Robinair oil by the case. Your username must be your real First and Last name (for example: John Doe). Maybe youre not understanding the measurements. In other words, it will go up in smoke at the worse possible time! "Screen names" and "handles" are not allowed and your registration will be deleted if you don't use your real name. Do any of you have suggestions for a reliable pump that doesnt spray oil? With that pressure I was able to easily infuse two parts. I bought a Us General Vacuum pump but I have a question about it. We have invested millions of dollars in our own test labs and factories, so our tools will go toe-to-toe with the top professional brands. We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. [/i], Huh,
It fogged up my garage which is kinda annoying. There are mist-proof mufflers out thereor a glued on tube with lots of airweave/towels, Wow dead on. I had it running for 14 hours once and so far Ive had no problems. Note: Specifications are approximate and subject to change. The pump I use at school regularly pulls 20 inches of mercury.