Posted by pete 23 on November 14, 2011 at 10:50:05 from (74.32.238.142):
In Reply to: New 560 Owner posted by clayshootr on November 14, 2011 at 05:55:13:
After you change the fuel filters, which do affect fuel pressure, I would check the automatic load advance and initial static timing. I have adjusted hundreds of those load advance pumps over the years and believe me if they are not working like intended you would swear the engine is in tough shape. It needs to advance two full marks on timing window at all NO load speeds and it retards gradually as you come under load that is why it is called load advance and not speed advance. Static timing is 3 degrees before top dead center. Now I know you don't have a plastic timing window in your pocket which is what you need to do it right, but after doing so many I often times just do it by ear. Above head of pump, and behind governor housing is a bolt with a lock nut . Nut takes half inch wrench or seven sixteenths and bolt head is either 3/8th or 7/16. If you start her up, run it wide open , loosen the lock nut while holding bolt, screw bolt in manybe quarter to half turn and see if it changes it's tune. If not, nothing lost. Now, I am not talking about those allen headed adjusing screw for fuel and speeds. Also, lots of guys just advance the static timing until it clears up, problem with that is it stays there under load and that is not correct. There is of course more to it than this but what I would try first.
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