Posted by El Toro on November 03, 2008 at 18:52:25 from (205.188.116.73):
In Reply to: IH 504 Will Not Fire posted by Joe MD on November 03, 2008 at 17:51:35:
Hold your hand over the throat of the carburetor while someone makes an attempt to start the engine. See if there's good suction on your hand. You need good manifold vacuum to pull that fuel into the engine. If there's very little suction your intake manifold may not be tight, valves not seating or the cam may be off.
If you bring No1 piston to TDC on the compression stroke. Your rotor should be pointing to the No1 plug tower and both valves should be closed on that cylinder. Hal
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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