This is the most likely scenario to me and the most "wishful!" If there is such a cut off then that would explain why the genset would often shut...
You are right, it was the SW impellor. Thanks for the advice. Maybe the fuel has cleaned itself up at the same time co-incedently?
It has been two years this month since I first bought my Hatteras. The generator, an Onan 20kw, ran reasonably well and very occasionally cut out...
