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Super H steering rebuild

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Bob M

05-20-2001 19:01:21

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Success! Rebushed the upper bolster and replaced a missing thrust bearing spacer on my Super H over the weekend. The rebuild has reduced free play at the steering wheel from 4" to 1". The tractor now runs down the road in 5th gear with no perceptible wheel wobble, unlike before. Also with the front weight now being carried on the thrust bearing instead of the pivot shaft flange, it steers a bit easier as well. Bob M is pleased!!

Punch below for a few photos of the rebuild.

Super H bolster rebuild

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Farmall Paul

05-21-2001 08:32:43

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Re: Super H steering rebuild in reply to Bob M, 05-20-2001 19:01:21

Bob- Great pictures. Looks like a bunch of us may be doing this same thing, soon! I had a couple of questions. How thick was the spacer that you used? Did it go under the bearing? Also, did you turn the gear over when you put it back on, to take care of the wear? Thanks, Paul+

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Bob M

05-21-2001 08:51:04

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Re: Re: Super H steering rebuild in reply to Farmall Paul, 05-21-2001 08:32:43

Paul - By trial and error I determined the spacer needed to be 3/16" thick - it's #2 in the pile in the photo. But recall I only needed to make the space because someone ahead of me had neglected to replace the original when they had it apart before. The spacer had to be installed on TOP of the bearing, just like shown in the parts catalog. Regarding the sector gear, it's on a tapered spline. Unfortunately that prevents installing it upside to take care of wear - would have been nice if it could have been turned over to compensate for wear! ...Bob M

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Farmall Paul

05-21-2001 09:48:32

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Re: Re: Re: Super H steering rebuild in reply to Bob M, 05-21-2001 08:51:04

Thanks, Bob- I don't have my manuals with me. It seems like I remembered somewhere that somebody had recommended turning that gear over, but I guess not on 'H's, since it's tapered. Thanks for the input. I have at least 6" of steering wheel travel and I'm not looking forward to fixing it. :-(

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Bob M - one more thing...

05-21-2001 10:47:01

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Re: Re: Re: Re: Super H steering rebuild in reply to Farmall Paul, 05-21-2001 09:48:32

Hey Paul - One more thing I forgot to mention: When I got the pivot shaft out I found it's upper bearing surface was worn such it's OD was about 0.015" less than the ID of the new bushing - ie. the pivot shaft running in the new bushing would have had some slop - though still much less than the old bushing. So what I did was open the slot in the new bushing by about 40 thousandths. Then when I pushed it into the bolster I stuck a piece of 0.015" brass shim whose width was 1/2 the circumference of the bushing between the bushing and it's bore in the bolster. This compensated perfectly for the wear to the pivot shaft bearing surface - fit was snug but still free.

Regarding wear on the sector gear teeth, seems to me the smaller Farmalls (Cub, A, C?) use a whole worm wheel - not just a sector gear. So when the worm gear gets worn on one side you simply remove it, rotate it 180 degrees and put it back in. Effectively it becomes a new gear. Would have been nice if the H's and M's were built this way!

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The Red

05-21-2001 10:15:01

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Re: Re: Re: Re: Super H steering rebuild in reply to Farmall Paul, 05-21-2001 09:48:32

Paul have you named your tractor "Wanderun H"??

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I Resemble That Remark!

05-21-2001 13:55:19

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Re: Re: Re: Re: Re: Super H steering rebuild in reply to The Red, 05-21-2001 10:15:01

Red- Officially, her name is "Faye".

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The Red

05-21-2001 06:35:19

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Re: Super H steering rebuild in reply to Bob M, 05-20-2001 19:01:21

Appreciate the photos Bob! Now if you need to practice on a regular H bolster, let me know!!

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Bob M

05-21-2001 10:52:18

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Re: Re: Super H steering rebuild in reply to The Red, 05-21-2001 06:35:19

I'm gonna politely decline your offer John - I've had enough of the insides of bolsters for a while! ...Bob

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The Red

05-21-2001 11:20:43

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Re: Re: Re: Super H steering rebuild in reply to Bob M, 05-21-2001 10:52:18

OK I was trying to give you the easier of two jobs. Front bolster rebuild or unsticking a really stuck engine on Old Rusty H..... ..

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Bob M

05-21-2001 15:44:49

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Re: Re: Re: Re: Super H steering rebuild in reply to The Red, 05-21-2001 11:20:43

Let's see John....I've still got a leaky Liftall pump on the SH. If you can figure a way to electronically swap your bolster for my Liftall so we could repair them respectively, we might be able to strike a deal! ...Bob

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Stan(VA).

05-21-2001 05:54:48

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Re: Super H steering rebuild in reply to Bob M, 05-20-2001 19:01:21

Bob,
as usual, thanks a million for the pictures and ditto the others on 'will be usefull' for a couple in my barn too. You mentioned the pivot shaft riding too high in the bolster. Did this front end clank when the front end bounced on a bump or had a heavy load on the rear? My late '53 SH had a loader all it's life and has these symptoms now that I pulled the loader off. My SM isn't too bad but sice I just did PS and a loader on it, I thought it might be a good preventative measure.
Stan(VA).

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Sam (MO)

05-21-2001 05:19:32

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Re: Super H steering rebuild in reply to Bob M, 05-20-2001 19:01:21

Bob

Great pictures, and great timing!!! I just bought a 49' the other weekend and I have about 4" of play in it right now. There are many other things to do first, like getting it to run. I hope I can have the same sucess has you.

Sam

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Redfan

05-21-2001 05:02:33

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Re: Super H steering rebuild in reply to Bob M, 05-20-2001 19:01:21

Thanks for sharing the photos with us Bob. I have an H that needs the same treatment, and your photos will be very handy. Regards, Redfan.

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Bob in Southwest Iowa

05-20-2001 19:25:58

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Re: Super H steering rebuild in reply to Bob M, 05-20-2001 19:01:21

Sounds like a big improvement in the steering. Is it difficult to remove the old bushing and install the new one? I have 2 Super M's, one H and one 400 and I think they all need that bushing and associated seal replaced. It is good to hear how you were able to get this done and the results. The pictures are very helpful too.
Bob

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Bob M

05-21-2001 08:05:59

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Re: Re: Super H steering rebuild in reply to Bob in Southwest Iowa, 05-20-2001 19:25:58

Bob - Hardest part of the whole job was getting the sector gear off the top of the pivot shaft. It's on a tapered spline - took many hits from a 4# hammer before it finally let go. (Used a piece of 1/4" copper bus bar on the end to protect the threads....)

The other problem was getting the new seal into place beneath the gearbox. Not enough room to get a hand in there to get the seal aligned and started - wound up turning a "tool" out of maple dowel to get the seal started.

All things considered it was not a terribly difficult job - and the end results were well worth the effort!! ...Bob M

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Bob M

05-21-2001 05:59:10

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Re: Re: Super H steering rebuild in reply to Bob in Southwest Iowa, 05-20-2001 19:25:58

All things considered it was not a terribly difficult job - and the end results were well worth the effort!! ...Bob M

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ange

05-20-2001 19:08:28

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Re: Super H steering rebuild in reply to Bob M, 05-20-2001 19:01:21

Congrats Bob M! We dont want these Farmalls to steer us in the wrong direction do we? Looks good Ange from Ohio

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