Quote Originally Posted by cmailliard View Post
It is 2.75hp, it has been working fine for 6 years where it is. I am going to tear it apart today and check the connections. Thanks for the fresh ideas.
Check if you're trying to run on a 15A or 20A, that should be on a 20A, but a lot of places went cheap, especially on garages and only put in 15A wiring/breakers/outlets.
Are you running on an extension cord? May be too small.
Check if anything else is on the circuit running as well.