70 Power SteeringVane Pin

Scott:

Whenm I rebuilt my 70D pedestal, I did not know that there was an "improved" headed pin. I WAS concerned that the pin could rub a groove into the pedestal plate of the quill, and I wanted to prevent that if possible.

I welded a very small dot or pip at the down end of the vane bracket, and then ground a corresponding notch into the pin so that when assembles, the pin comes to rest on the pip and still has several thousandths clearance before it would touch the bottom.

I tink this will prevent any touching and possible wear oin the future.

Frank-in-Tallahassee
�56 70D // �90 855 // �50 VAC // �48 Cub // Coming soon �a new addition!
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Thanks for the info. I've always enjoyed reading your posts. I do have a couple of questions about your 70 PS. My unit is not equipped with a lower bushing (just above cylinder). I checked out an old post by Cloony that said some just didn't have one. Did yours? SM 2050 says to add shim R 21231R if not present at disassembly. My unit did not have one(under the steering vane bracket), but is of the type with out hollow dowels. It seems to me that the shim goes only with the hollow dowel version.? And at last the thrust bearing. Looks llike the tractor had the original bearing in it, and looks good yet. The new bearing I got from Deere is OLD, but reamins sealed in plastic. It seems to be marked "thrust" on the WRONG side. The two are almost identical in construction, and the bearing "feels" right when I place thrust on the unmarked side. Feels sloppy and binds when turned with thrust on THRUST side. Wow! Got any ideas?

>>My unit is not equipped with a lower bushing (just above cylinder). I checked out an old post by Cloony that said some just didn't have one. Did yours?

I'm not sure where you are talking here. Of course there is one in the quill...the lowest part. Do you mean the F2278? Yes I'm pretty sure mine had that one.

>>RSM 2050 says to add shim R 21231R if not present at disassembly. My unit did not have one(under the steering vane bracket), but is of the type with out hollow dowels. It seems to me that the shim goes only with the hollow dowel version.?

I can't answer that. Mine did not have a shim, but I could not see the benefit, and chose not to install it.

>>And at last the thrust bearing. Looks like the tractor had the original bearing in it, and looks good yet. The new bearing I got from Deere is OLD, but reamins sealed in plastic. It seems to be marked "thrust" on the WRONG side. The two are almost identical in construction, and the bearing "feels" right when I place thrust on the unmarked side. Feels sloppy and binds when turned with thrust on THRUST side. Wow! Got any ideas?

You should be able to tell which way thrust is to be applied. It's sure possible that it is mismarked. You might want to consider reinstalling the original bearing. If it's in good shape, clean it and repack it, because the gtrease fitting will never get any lube to it, and take the new bearing back.