Applying the brake to stop roll back is always a good practice on all these hydraulic ta tractors if you are in a situation where it wants to roll back a little. Even when pushing a loader bucket into pile of dirt or snow or whatever. You can just unhook the brake for a test to see if it is actually the problem and needs adjustment. The dump valve is the other part of the adjustment procedure that may need tweaking. With all that being said, the wet clutchs have a tendency to hang on when released slowing down the roll back of the gear train wind up. As they wear they hang on more. The very first 7 and 806 tractors did not have grooves in the direct drive wet clutch in the ta and could be near impossible to get out of gear. I had to prove this to a IH rep one time by unhooking the trans brake, driving tractor up an incline and show him how it would not roll back down. Then by operating in ta for a brief time and retest it would roll down ok as the direct drive clutch had released then. Of course we had a ton of trouble with the clutch not releasing also so one had to make sure which was the problem.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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