Hello guys I have a real problem you see I bought a Tuxing number 32 from Ali Express twin cylinders. I just got it Christmas and my problem is at first everything was working fine then all of a sudden it wouldn't pump pass 3500 psi and it shuts off never reaching the maximum pressure now I checked for leaks all over the place I don't know what else to do could someone help me. Any pressure under 3,000 PSI it works fine other than that it will not press up or over 3500 psi . Thanks for any help.
Tuxing compressor problem
- Thread starter Ozell
- Start date
Install dead-head pressure-test plug (pictured) in end of fill whip (hose.) Pressurize system, shut off compressor, use soapy water spray bottle to check for leaks in entire system, including fittings. RELEASE PRESSURE BEFORE RESTARTING COMPRESSOR. Leak-free could indicate failed internal seals. WM 
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If you find no leaks the probable cause is the high pressure piston rings are not sealing and need to be replaced. They are made of a pliable plastic resin infused with some type of metallic powder. Buy Tuxing rings only as other brand replacement rings won't seal. Be careful when reattaching the metal air lines as they will leak if you cross thread them onto the cylinder head. Are you seeing any black oil residue when you purge the gold air filter? Sludge will burn onto the high pressure piston's reed/check valve. If it doesn't seal properly the compressor cannot produce full pressure.
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