Reply To: Tuxing compressor

Forums Air Tanks, Pumps, Compressors, & Filters Tuxing compressor Reply To: Tuxing compressor

Link

jimmymc2900
Participant
Member

“Erik”

“jimmymc2900” I got the new head for mine, When I installed it I found the problem I have had with mine all along. The top grove for the high pressure piston ring is undersize and that is why mine takes so long to pump up. I am going to order a new piston for it. That will make it run as it should. I think. 


From where are you buying this piston? And when you say it takes too long, how long are we talking? 


From here. https://www.aliexpress.com/store/product/high-pressure-pump-4500PSI-piston-and-rocker/2305020_32790762673.html?spm=2114.12010612.0.0.eEjK2c

As for how long it takes to pump up. I can plug off the fill hose at the end, start the pump and it will fill the hose up to 3000 in just a few seconds. Then it comes to a stop and will take 3 to 4 minutes to fill it up to 4000psi. That is just the hose. If you look at the new small piston you will see it has 4 ring groves, mine has 2. Only one of them is doing anything. The top ring groove is cut to deep and the ring is not doing anything. What I think is happening, with only one ring it can seal enough to pump up to 3000 just fine but one ring will not seal well enough to pump on up.
I replace the top ring and it will pump up just fine for a couple times, then back to the very slow above 3000. When I take the head off the top ring is compressed below the outside surface of the piston. The bottom one is not. I have only changed the bottom ring to see if it made any difference. And it didn’t.