Dewalt D55146 compressor builds pressure very slowly.
by Ray H
D55146 1.6 HP Continuous, 200 PSI, 4.5 Gallon Compressor
Hello and thanks for taking my question.I have a dewalt D15546 4.5 gallon 1.8hp air compressor. Its only three years old and has had very little use the last two years. it now takes forever to build to shut off pressure of 212 lbs (45 minutes or more) and sometimes wont even build to that pressure. after about 150 lbs it just seems to slow way down but just keeps running. I have done all the troubleshooting tips that you have suggested on this site and everything looks just fine. I isolated the power source, took the head off and checked the reeds, they looked fine. it has metal fingers on the reeds no corrosion no broken fingers. what else could be the problem? thanks much Ray