Posted by Dave Koenigsfeld on April 17, 2009 at 17:31:29 from (148.78.54.134):
Hi guys,
Ok, you know my tractor well by now! I can start it easy by pulling it but I have been unsuccessful at hand crank starting it.
Tonight I confirmed that I have spark in each plug in the correct firing order. I had all of the plugs out and cranked the motor (putting the pawl down each time) and watching each plug. My spark seems fine, not the biggest spark I have ever seem but it appears adequate.
Prior to that I had already primed the motor and tried firing it. I pulled the #1 plug and had my wife watch for the spark. She confirmed the spark and we checked the #1 piston at TDC or just past TDC. I thought I would just crank the motor and see how many 1/2 cranks it took to get back to the #1 plug.
Wouldn't you know it that the motor fired and ran about 3 seconds before dying. This is the most I have gotten out of the tractor by hand cranking it since we fired the motor the first day. Normally I do not seem to get any type of pop or ignition out of the piston.
What am I missing?? I know now to make sure the pawl is down each time. I put some priming fuel in (about 2-3 tablespoons). I get the motor to where the pawl can engage and then reset the crank to the bottom of the turn and pull straight up and let go at the top of the crank turn making sure to stay clear of the crank. The pawl is usually at the next notch in rotation but doesn't always go in the notch automatically, I just push it down and get ready for the next crank.
Any help would be greatly appreciated. I want to get the starting down so I can get the hood back on and secure and get this thing out and get it driving. It isn't as much fun to get the Kubota out and drag start it.
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