Ingersoll rand 5 hp has slow air build from 100 to140
it is a Ingersoll rand 5 hp 80 gallon ss5 and is about 12 years old .
I smelt heat after it shut off and motor and compressor was extremely hot which I had never smelt before so I took motor and had checked and they replaced bearings .
Compressor will build to 100 lb and it takes 5 minutes to reach 140 shut off pressure.
I put stop watch to see how long it took .
Any suggestions? Thanks in advance for your help.