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Ken, you ask.. Quote:
1) �I have pulled the drive disc off of the clutch and the disk has a crack in one face. Can this be welded or does it need to be replace, or ignored�_____ As Mike said welding isn�t advised.. Even if you could get a decent weld in that old iron you would probably warp it too badly to use again.. If the crack is just superficial then you can probably just use it as is.. Until you find out how much trans damage & other engine damage you probably want to hold off on the clutch driver.. You can always change that later if need be..
2 �I can't get the belt pulley off. It comes about 3/4 of an inch and stops. I can't find any snap rings etc. Suggestions?�_____ First make sure the clutch is snapped out of engagement. Then remove the fork bearing [4 bolt cover with the �L� shaped shaft sticking out the top directly in front of the clutch pulley].. It should just pull out straight forward when the bolts are removed, then the pulley will just slide off the crankshaft..
3) �I am planning on changing all the bearings on the transmission shafts and inspecting the gears etc. I did notice some of the gears are about 50% covered in rust with chips in the edges of the teeth. What would be the criteria for keeping or discarding the gear. Can new replacements be found or am I going to need used?�_____ On the chips? Unless severe or real uneven or part way across the gear the tooth end chips won�t hurt.. The rust is another thing.. If that rust left pits on the tooth it will be a noisy trans with accelerated gear tooth wear. By the time you install new bearings, some gears, more than likely a sliding gear shaft, & probably PTO bearings & or gears & other trans parts you will have more into that �B� than it�s worth.. If it were me doing that trans I would be looking for a good �B� donor tractor.. That shouldn�t be too hard to find.
On your question? �Can new replacements [gears] be found� Yes, if you look hard enough but the price will floor you.. Those old B�s are real common in the tractor scrap yards so you should be able to find all the used parts you need at a much reduced price. You will just have to start looking & calling around & not be in a hurry & try to find them all in one place.. A donor tractor, if the trans is in good shape will be your cheapest route by far.
~If you have rusted gears in there I�m pretty sure you also find the diff & rear axle bearings rusted up also.. It�s not unusual to put over $500.00 in just bearings if they are mostly bad & you buy new bearings.. Any PTO bearing or gear work will add to that amount.. I have seen decent running B�s sell for $600.00-$700.00.. [email protected]
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