yaaay, it lives !!!
new cap (400v 40uf) & it roared back into life !!!
I think the motor maybe running slightly faster, but that might be bad memory... or just a really old foobar cap that was dying slowly...
nowt wrong with your memory mate on PSC motors the start winding becomes an auxiliary winding that supplements the run winding once started (which is why the cap values are carefully matched to the motor) so yes it will run better with a healthy cap