TA-25100VB will not build pressure past 50 PSI. The motor changes sounds. No leaks.
Jobsmart sound changes
That happens right around the time the pressure stops rising, right?
Then while there’s no external leak, you probably have an internal one.
If there’s no air coming from the oil fill/breather cap, then the rings are probably OK.
That leaves valves. Check that the head bolts are not loose. If they are OK, then you’ll likely need to remove the head. You’ll find one or more broken “flapper” valves in there. Or, maybe just a bad gasket that gives at 50psi. Either way, replace what’s broken (you’ll need to replace the gasket, at least), and you should have it fixed.
Same issue TA-25100VB flapper valve
I was able to track my air leak to a broken flapper.
Do you by any chance have a part number for both the gasket, and the boomerang shaped flapper?
Jobsmart compressor parts
you can download the manual from TSC. There’s a parts list, but I don’t know what, if anything, is actually available.
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