Can any one give me some clues as to what might be causing this? the amps are all in good range...the motor just seems to be catching on some thing but it runs free when not under load?
http://www.youtube.com/watch?v=6BLetrKTo3Q&feature=youtu.be
http://www.youtube.com/watch?v=6BLetrKTo3Q&feature=youtu.be