i was reading for a rotary vane pump, to NOT shut it off after vacuum has been achieved -- is that true?? i'll be casting pen blanks with this.
468444
The best thing is to have a ball valve installed in the line that you close off first before turning off the pump. The reason for not shutting it off, is the vacuum you just pulled will suck oil back from the pump back into whatever you just pulled the vacuum on if you just turn it off without some sort of shutoff valve. BTW, some pumps have this valve built in. This one does not.
468445
Use a shut-off valve for your pump. These pumps have a NORMAL leak down when turned off and you will lose some vacuum. This is normal. To maintain vacuum shut the valve and then turn off the pump.
468446
If you have an inline valve to lock the vacuum in your project you can turn it off. Not sure of your application, but if you are evacuating to load a pen blank, you should be able to hook up your fill container where the pump was and open the valve to fill. Hope this helps.
1831899
A friend and I both purchased a Dewalt 3400 psi pw. It came with a AAA pump.The suction part of the pump did not work on either unit . These units came from Home Depot. I was the second buyer of my unit. It was sold as refurbished...I wonder why it was returned,. My friend was the original buyer, whose pump failed to suction. He took it back to HD and was told it was fixed. After 15 minutes in the field, it had no suction, so back to hd and he got his money back. I will be at hd today. If I had a Cat pump I believe I would Not have this hassle. Buyer beware of Aaa pumps.
1664128
The sensitivity has a programable range. If you connect a suction line to vacuum the floor it will shut off the pump. There is a default time where the pump will prime; however, the pump will shut off again within a few seconds. The best thing is to just reset the pump and press start to clear the air and there is no problem after that. I'm retired military and used the 24 hour clock. When I changed to military time, the pump would shut off many times during the day. Found out from company rep that even though this option can be programmed, it is not supported in the firmware. Changing to regular time the intermittent periods of shutting off stopped. I have had this pump a little over a year and wished I would have buying it sooner! My electric bill dropped significantly (run pump 16 hours/day) by $150.00 to $200.00/month! Paid for itself within months! You will not be disappointed, plus at its low speed you have to be close to it. You only hear the water features. The old pump was the only thing you could hear before and it was 20 feet away! Good luck!
386688
I usually make 6 or 7 pumps and stop when I hear a quiet "click". When I remove the stopper the next time, the vacuum seal pops.My pump is new and I do not have any knowledge of how long it works well.
1461425
yes u can when the pump starts sucking air it will shut itself off...clogging hardly ever happens either....its a good pump so far for me
405223
Your pump was doing what it is supposed to do. A vacuum pump that is smoking out the exhaust means it is pulling out contaminates from the system (moisture and acid). That smoke is contamination. Every vacuum pump I have used in the past 32 years of being a proffessional refrigeration technitian spews some oil out the exhaust as well. Once the smoke is gone from the exhaust purge the system with dry nitrogen. Pull several vacuums this way and the smoke will disappear. Thats is when you know the sysem is clean of moisture and contamination.
980971
I purchased this item as a gift. But did notice it had a vacuum hose which I assumed was to do just that. Sorry I couldn't really answer your question completely.
897676
Good question. I really do not know the answer. After all my griping, Food Saver sent me a new "seal kit" and I installed it. It lasted for one bag, and then it would not draw a vacuum. I recall reading in the instructions what it's cycle time was, but do not remember. Sorry.
1311832
I have a clean filter in pump and have to clean it alot at 1st on a sand pump i dont know sorry but im going to try my sand pump to see how it works i have the filter pump with timer runs ever 8 hours i let it vacum for 2 hours i check on it to see hows it working have to clean screen .have a great weekend
1978069
No, this pump will keep pumping until it burns up. Or gets the power shut off. You'll have to have some sensor in the tank to shut it off
2110540
Not really damage the pump, but the motor would be running continually until pressure shut it off. So like if it ran for 2 or 3 days it would probably burn the motor up, its not made for continuous running.
2102010
This pump does not have an automatic shut off. I purchased a vacuum switch from www.globalepower.com. The switch is made by designflex, model PSF109s 81-330. The switch cycles the pump on and off via a SPDT 30/40A automotive relay purchased through Amazon. Also a vacuum reservoir helps minimize pump cycling. I could not find a harness connector and am using a 3/16" spade connector for each wire. Hope this helps.
539949
With sandpaper off the pad turn on the unit. You should some if the vacuum channels or clogged. Recommend to shop a vacuum the sander after use. That way when you want to use again, it is ready to go.
966088
Sorry I cannot provide an answer to that question. You might want to call a vaccum repair service with that question.
1664127
Slight changes will not effect the system but big charges will. When the pump runs dry for several seconds the system sees this and will shut off. Things to keep in mind, prime the pump before you start vacuuming by turning it on for a few minutes before stopping to attach the hose. Make sure you are in speed three or four while vacuuming. You should also have a filter bucket with a bypass adjustment for your vacuum. This help the pump not run dry before you get water in the vacuum hose. Hope this helps, any other questions just let me know. Thx Geoff
1726209
Mine stopped as well, it was the on/off switch...I called Eureka and they gave me a list of warranty vacuum shops to choose from. Was in shop for 3 days and he mentioned it was one screw to get to part that broke so if it happens after warranty I know my husband can repair it.
2074968
YES! only when using the brushroll. took it to a vacuum repair shop and they said it was an issue with the hose (i assumed they meant the connection between hose and brush roll power/functions). they repaired and it worked...for a little while. back to cutting off by itself again. planning on taking it back in. i googled the problem and seems to be somewhat common issue.