[360]

I’ve got a pump that hums for maybe 30 seconds to a minute and then stops humming. I ran the coach out of water and after filing got a little burst of water and then nothing.

Thinking maybe some kind of air lock? Called Headhunter and they recommended trying to turn that shaft, but my pump is mounted about 2 inches off the wall so every combination of right angle screw drivers I can muster do not fit.

Any suggestions before I dig deeper?