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It sure sounds like he is describing the "hand hole," which SHOULD have a cover on it. The cover that goes on these, matt, is little more than an aluminium disk, with a hole in the center through which is passed a threaded rod. One end of the rod terminates in a bar which runs across the back of the rim to hold the disk in place, and the other holds a wing nut which is tightened to secure the whole (pun not intended but probabaly unavoidable) assembly. I could fabricate one, and if I can, you can. Among other things, the hole allows one to keep the bell housing cleared of debris and to view the timing marks. It also comes in very handy for removing mouse nests from the bell housing, so much so that we always called it the "mouse nest removal port" in our family. In addition, the owner's manual for the Super C describes a lubrication point which should be located on the throwout bearing. One other poster and myself examined our tractors carefully and could find no such point. None of the more experienced posters were able to help us with this! I searched the archives and found a reference to new and old style bearings, so perhaps the new ones are "lifetime" bearings (which, ironically, would in most applications burn out FASTER than the old ones) which do not require lubrication at this point; while the old ones did require it. But I was far from satisfied by this information and still hope someone who was around these tractors when they were NEW will be able to help us. (Flamers beware: before you jump on this post, claiming I am confused about the zerk fitting on the bearing retainer which is lubricated from a different point on the bell housing, you should read the IH Super C Owner's Manual, page 41, item 37. It clearly differntiates between lubrication to be provided to the bearing retainer (item 21) and the bearing itself (item 37). (No, I'm not going to address the question of whether a rear seall that is just weeping needs to be replaced; even I know what a can of worms that would be!)
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