Thanks to all of you guys for your response to my throttle lever problem. After reading your suggestions I did a visual check and think I see where the problem is. Mine has square notches on the fixed throttle plate (rather than saw tooth) and a rectangular cog on the throttle arm, which is designed to engage these notches. I found the cog is badly worn in the center where it engages the notches. Also, the leading edge of the notches are rounded where the cog rests against them - either due to the throttle lever slipping or being pushed to a lower speed setting. Hence the cog can no longer get a good "bite" into the throttle plate notches. I noticed the "cog" is a replaceable part, so does anyone know where I might order one without buying the whole "kit and caboodle"? If not, guess I'll have to build it up with weld and grind it to the original shape to fit the notches as several of you suggested. Also, where the front edges of the notches are rounded off may need to be "squared up" as someone suggested. However, that will increase the width of the notches so I may do that only if needed. If these two measures don't totally fix the problem, then I may need to address the vertical play in the lever, estimated to be about 1/2 to 3/4 inch, and could be due to a worn bushing and/or weak spring. Thanks again!
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Today's Featured Article - The Fordson F Ignition System - by Anthony West. A fellow restorer contacted me earlier this year asking for some help and advice on a model F that he was restoring. He had over a period of months spent a fair amount of his hard earned cash on replacement parts for the old "trembler" ignition. Sadly though all his efforts seemed to be a waste of time and money as he still couldn''t get the temperamental old thing to run correctly!! If i said that this was a little frustrating for him that would be "conservative" in fact the problem had reduce
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