</font><font color="blue" class="small">( I'll try and answer your question re: priming. On our tractor (keep in mind this was a while ago), there was a stopcock, just like on a radiator, that you opened while someone was cranking the tractor. Air bubbles would come out for a while then fuel and air, then only fuel. Stop cranking, close the stopcock, and then start the tractor. It was on the left front side of the tractor (as seen from the driver's seat) I believe. At any rate, it should be obvious if you trace the fuel line from the fuel filter bowl. Hope that helps. )</font> On my small series Fords, sometimes that worked to prime them and sometimes I had to "crack" the lines at each injector one at a time while the tractor was either running or cranking to get the lines fully bled. It depends where the air is. On mine the bleeding screw looks more like a flat heat screw surounded by a lock nut. Have fun and good luck with your new machine. And just remember if the 5' mower is too much, put shorter blades on it.
Andy
