Posted by NCWayne on July 23, 2014 at 14:40:50 from (173.188.169.54):
I'm basically doing an inframe on a Long brand tractor, something I've done plenty of times on other brand machines. Thing is this one is trying to be a PITA. What has happened is that I am in the process of putting in the new main bearings, all of which are standard. I was able to roll all of the old top shells out pretty easily, and the first three went back in just fine also. The problem is on the forth/last one at the rear. The top shell came right out with no problem. Now the new top shell doesn't want to go in more than about 1/4 of the way. Pretty much when it hits the peak, it won't go past.
I've checked roundness of the shell, checked it for burrs, insured there was nothing on the crank journal and that it was smooth, tried it with the crank in several different positions, tried polishing the end of the shell so the back edge wasn't quite so square and sharp, tried loosening all of the main caps and prying the crank down with a bar on top of the flywheel, tried loosening and tightening the other three caps in various sequences, tried using the oil hole and a pin punch to help roll it in, tried a bit of grease, tried nothing but WD40, tried it dry, etc. I've used most of these ideas in the past with 100% success until this point. So far, this time, NOTHING has worked, and I am out of ideas.
I've really be concerned if the other shell hasn't come out as easy as it did, and if the other three hadn't gone in like they should, Still this one is just like the others, and it doesn't want to go. So, any ideas for any thing I haven't tried yet?
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