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I have a parts manual on order and hope to see a good diagram there, but ants in my pants on this.
I've removed the transmission input shaft retainer, seal and front bearing from a junker Cub. Was simply breaking it down for parts, thus didn't pay absolute attention to the way I removed parts. I did NOT remove the bearing from the shaft.
Working on another Cub now with PTO problems (input shaft has shifted forward about 1 / 4 inch) and now I need to know how this should be put together, thus questions:
1. The exposed part of bearing faces outward from the transmission and the retaining ring goes in the groove here on the open-faced side of the bearing?
2. The 1 / 4 " protruding side of the seal retainer faces into the transmission and butts against the bearing?
3. The seal is pressed into the retainer and there is nothing to keep it from sliding out onto the non-splined portion of the shaft towards the clutch?
Some things just don't seem to make sense here. All help appreciated.
G'day to you. Here is a link to the TC-37A (5-2-49) and the Chassis.
Does this help???
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3: yes again
If the seal is tight in the retainer, it won't slide out. The bolts will hold the retainer and the seal in place. The protrusion on the back side of the retainer will keep the shaft and bearing from sliding forward.
Thanks VERY much for the responses. Very helpful.
Now, just for understanding....
The "open-face" side of the input bearing faces out into the wall of the transmission.
The rectangular notch of the seal retainer is up and the 3 / 4 moon notch of the retainer is down (to allow fluid to drip from the seal back into the trans, I think I've read in some other posts).
So, how does fluid get to the bearings if bearing open face is into the wall butted against the seal retainer with seal?
Just curious. Obviously it does.
Look at the case casting for a pocket to collect splash and a drain hole to supply oil.
If you just get a replacement seal it may be a loose fit in the retainer. Stake it in and use a sealer.I also use flat washers on the retainer they will overlap the seal.
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Excellent. Excellent. I'm learning.
"Stake" it in. I've read about staking. What is staking? How is it done?
Thanks again to all.
Use a prick punch or something similar to dent the metal in such a way to get the two parts to grip. You don't need much, just to keep the seal from spinning. The sealer will do the rest.
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