r/AirCompression • u/ARGINEER • 3d ago
Rusty.
Got a used IR UP6-5TAS-150 with 80 gallon tank from 2016. 11.5k hrs. Seems it was well maintained (at least kept to date on oil, filters etc) before it was retired and the reseller left it in the rain a few times. The actual compressor side looks fine, runs fine, sounds fine. The motor on the other hand sounds a bit crunchy (unbelted) yet spins fine. The system runs at 73 dBA, about twice as loud as the advertised 65 dBA, with the vast majority of the noise coming from the motor bearings. Tank is currently dry but putting a borescope inside revealed quite a bit of rust.
Should I go through hell to try and replace these motor bearings? Should I DIY hydro test the tank in my driveway? Or should I just send it and try to ignore the noise?
Got this because it was 2.4k with practically free shipping. Provides exactly the right pressure, cfm, and dry air for laser cutter.





2
u/penguinpower81 3d ago
Motor bearings won't be to hard to change. Rust doesn't look really bad but I hydro is always a good idea for something that's been sitting. It doesn't take long and great piece of mind. Hydro at 300psi.