thanks i have tried bigger cord ,uncouple 2 lines from compressor to tank i am not sure where the unloader is? How can sears advertise a 3 h.p motor that only pulls a few amps and has a #i6 cord.It must me the rating at the compressor end?i can rotate the compressor by hand.It is a used unit and looks to be a few years old/ thanks guys i am gonna try again .