Will not fill past 40 lbs. Just runs and runs........

by David

same as above . compressor will not fill past 40 lbs. Just runs and runs...... Model 94667

See the troubleshooting pages, the one about air compressors that run but don't build pressure.

There is information and some things to check there.

In summary it is likely that your piston seals are worn, your intake or pressure valves are failing, but since the compressor gets to 40 PSI, my first guess would be gasket failure.



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