Posted by dachoppa on November 01, 2009 at 15:41:11 from (76.186.149.70):
Hi all... New Cub owner here. ALways loved these tractors, finally own one. Bought one that the previous owner made "purty" but I think it has some mechanical issues. I think he focused manily on the cosmetics (it sure is sweet looking) but didnt do much in the mechanicals from what I can see.
Mind you he put in all new wiring, genrator, magneto, tires, paint all sandbalsted, etc and the like. Its the engine and tranny I think he didnt dig too far into when he "restored" it.
OK.. my problems to date:
first off, transmission. I know they can be noisy. Some are, some arent from on line videos I have heard of tractors running... Mine is slightly noisy in first, a little more in second, hardly anything in third. No problem there. I can live with that.. as long as its solid...However, today, it "jammed" between gears. Could NOT move it. Took off the 6 bolts off of the shifter and top cover and using a flat blade screw driver, pulled the gears back to neutral, and put the shifter back on. Been OK since, BUT, whats causing this? Bad shifter forks perhaps? If so, can I buy a new unit to replace this one?
Or are there deeper internal issues I should be concerned with? All looked good inside the tranny case., Nothing looks damaged or broken either.Gears all slid nicley on the shafts with no binding, etc. Again, could it be the shifter tower worn out or something like this?
Second.. The clutch pedal doesnt want to return all the way up easily. Its like its binding, or needs greasing. Pushing in the clutch and then letting off the pedal, the pedal is slow to come back up after letting foot pressure off...I took off the bottom inspection cover and greased the Throw out bearing collar (it has a simple grease fitting) Didnt change anything. Even squirted some lithium gerease on the shaft. Nothing changed..How to loosen this up so it returns all the way up?
Is there something else I should be looking for top make this return better?
Lastly...power. I know these old tractors dont have gobs of power to begin with. BUT, it seems like it wants to stall when letting off the clutch in third gear. Gotta really ride that clutch so it dont stall.
The motor seesm to be in tune. I checked the plugs, all gapped properly. Seems to purr nicely, but no real power.
NOW. Ill admit this. the motor does smoke some. Not all that bad. I changed out the oil once I got it home for some rotella T and this seemed to lessen the blue smoke by quite a lot. Still, it smokes some.. Could the fact that this engine smokes be a big contributor to loss of power? I know that blue smoke is a sign of worn rings or valves or other issues. BUT, could this be a really big contributor to loss of power? Would a re-ring bring back my power so this tractor can push a plow (the reason I bought it to begin with, to grade my gravel driveway)
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