Posted by riverbend on April 08, 2012 at 06:23:31 from (74.46.187.87):
First picture - T/A pressure plate cover tight against friction plate. Second picture - T/A clutch with 1/8" shims.
Back story: Bought a 350 with a bad T/A. Installed an new T/A and clutches. Shift lever jammed in gear and the T/A did not work. Bad words were said.
When the new pressure plate was bolted to the flywheel it was completely compressed, there was no room for it to lift. By taking up all the adjustment on the T/A operating linkage I could get it to lift about 0.002", if I forced it. Installing some 1/8" shims between the pressure plate cover and the flywheel gave room for about 0.06" of lift.
Went out and worked the tractor with a field cultivator. Shift lever was much better, didn't jam, but was not perfect, and the T/A obviously worked. So far, so good. Looking at the T/A clutch afterwards, it would lift about 0.04" with the lever, but the clutch pedal still does not move it at all (<0.0015").
Questions: 1) What is the thickness of a new T/A clutch disk ? 2) What is the minimum clearance between the throwout bearings and the pressure plate fingers ? 3)What are your theories on the source of the problem ?
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