Have you ever had a problem with oil in their hoses when you disconnect them from the pump?
1702907
On a wet pump like this you will always have oil in the discharge hose. If you have oil on the intake hose you are probably sucking it in from whatever piece of equipment you are evacuating.
1702908
we have several of these pumps and although it is possible to draw some oil from a system during any 400 to 600 micron system we consider this the best pump we have used. The pump has oil, the system has oil so oil can be an issue. I suggest you review your hookup and operational process before going further. Also the longer the hoses the more oil can be extracted from the system during evacuation. Lesser CFM pumps never pull hard enough to be problematic. We never use more than a 7 cfm model because of this situation. You could have a problem. We suggest you speak with a Yellow Jacket factory rep. we have several of these pumps and although it is possible to draw some oil from a system during any 400 to 600 micron system we consider this the best pump we have used. The pump has oil, the system has oil so oil can be an issue. I suggest you review your hookup and operational process before going further. Also the longer the hoses the more oil can be extracted from the system during evacuation. Lesser CFM pumps never pull hard enough to be problematic. We never use more than a 7 cfm model because of this situation. You could have a problem. We suggest you speak with a Yellow Jacket... » Read More we have several of these pumps and although it is possible to draw some oil from a system during any 400 to 600 micron system we consider this the best pump we have used. The pump has oil, the system has oil so oil can be an issue. I suggest you review your hookup and operational process before going further. Also the longer the hoses the more oil can be extracted from the system during evacuation. Lesser CFM pumps never pull hard enough to be problematic. We never use more than a 7 cfm model because of this situation. You could have a problem. We suggest you speak with a Yellow Jacket factory rep. « Show Less
1702909
we have several of these pumps and although it is possible to draw some oil from a system during any 400 to 600 micron system we consider this the best pump we have used. The pump has oil, the system has oil so oil can be an issue. I suggest you review your hookup and operational process before going further. Also the longer the hoses the more oil can be extracted from the system during evacuation. Lesser CFM pumps never pull hard enough to be problematic. We never use more than a 7 cfm model because of this situation. You could have a problem. We suggest you speak with a Yellow Jacket factory rep.
1702910
nope, it spits a bit if you over fill it. The pump has to be level when using it. It's great so far, but also it says to connect and disconnect the pump open to atmosphere so there may lye your problem
1702911
i work in apartment maintenance and maintain over 200 1.5 ton heatpumps,from past experience a 7cfm pump on a heatpump this size is to much,it will pull oil from the system,i personally feel a 5cfm is more than adequate,by pulling a ''fast'' vacuum with a larger cfm pump is not necessarily better.
2205300
Its not an oil problem its a design flaw. there is a review that tells how to repair it above. IF you dump it right after ever use there shouldn't be to much of a problem.
57418
The hose and tip disconnect by way of a button, if that is what you are asking.
1760734
Like any compressor, the hose will always fly out unless you hold it. Hold hose end in one hand and disengage with the other
933744
My oiler worked perfectly out of the box, but last time I used it, I don't think the oiler was working well. I didn't have much to saw and made a note to try to clean out the holes, etc for the oiler when I had time. I figured it was just clogged...
963956
I have not - I have always used this type or the cheap plastic pumps, sorry.
1715585
I did not use those either just make sure you have a tight seal around the connecting hoses and the pump works great!
288739
Yes. I have seen several pumps completly submerged, including some of my own, due to a varity of reasons. when powered up they all functioned flawlessly.
2254633
The unit comes with a plastic hose that is designed to fit in a dipstick hole. I used the pump to pull oil out of my boat engine and once it got primed it moved 3.5 quarts in about 5 minutes. The only issue I had with the unit was that the "IN" and "OUT" nozzles were labeled backwards and when I first hooked up the hoses, it was blowing bubbles into the oil pan as opposed to pulling oil out. So be aware and check the suction on the tube using the appropriate nozzels - however they are marked.
227545
I have never seen that done before. I would just switch the hoses if I wanted to reverse the flow instead of switching polarity of the pump.
1250648
I cannot find any need to oil the pump as it appears to be a completely sealed unit. Have been using for a couple of months without a problem.
2205301
Also an MB owner, synthetic oil. I am not sure if there were any modifications made, but I have been using mine for almost three years without much of a problem. I just follow the advice from one of the customer reviews. After I am done with oil extraction and pumping the used oil back into a disposal container, I make the pump suck a little degreaser, shake it around for a bit and push it back out to an old milk container. Pump seems fine so far stored (for months) without much oil left to degrade the seals. I cannot say whether I would have problems without this clean-up, but "cleanliness is next to godliness" in any case, right? :) Also an MB owner, synthetic oil. I am not sure if there were any modifications made, but I have been using mine for almost three years without much of a problem. I just follow the advice from one of the customer reviews. After I am done with oil extraction and pumping the used oil back into a disposal container, I make the pump suck a little degreaser, shake it around for a bit and push it back out to an old milk container. Pump seems fine so far stored (for months) without much oil left to degrade the seals. I cannot say whether I would have problems without this clean-up, but... » Read More Also an MB owner, synthetic oil. I am not sure if there were any modifications made, but I have been using mine for almost three years without much of a problem. I just follow the advice from one of the customer reviews. After I am done with oil extraction and pumping the used oil back into a disposal container, I make the pump suck a little degreaser, shake it around for a bit and push it back out to an old milk container. Pump seems fine so far stored (for months) without much oil left to degrade the seals. I cannot say whether I would have problems without this clean-up, but "cleanliness is next to godliness" in any case, right? :) « Show Less
1476075
I have not had an issue with the hoses I have purchased. I am being careful not to yank them around or pull them across sharp edges.
500474
no, I found out that the cause of my problem is the plastic supply line disconencted from the fuel supply connection. good luck
1586350
Check your hose connection, this model is known to have the hose disconnect to the vacuum while being used, and it spills your dirt all back into the air instead of into the canister. It's awful.
2283838
I have not had a problem with mine. Did you check out the video's on how to clean the pump? That might help.
2201751
Have not had that problem. We have well water and have had problems with the spindle that regulates water flow.