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Gotta Brag a Little Bit (kinda long)

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Larry in CO

12-22-2002 21:22:21




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I'm in the process of re-doing a '46 H and needed to replace the rear axle gaskets. I've been pretty reluctant to start this job 'cause everything back there is pretty heavy. Last week I finally worked up the guts to tackle the job. First before I did anything was to ensure that all the bolts would loosen, including the bolts that hold the rim to the wheel and the axle clamp. I also loosened the bolt that holds the axle to the bull gear at this time. (I'm doing this thru the PTO hole, by the way.) Then I locked both brakes and blocked the other rear wheel, in front and behind. I also blocked the front wheels, both front and behind. I then jacked up the rear end under the diffy housing and also placed a jack stand under the swinging drawbar bracket. I took all the bolts out that hold the rim on and moved the rim out of the way. I then wrapped a chain thru the wheel and hooked it up to my cherry picker and got it off - can you say heavy? Then I fashioned a sling around the axle housing and hooked the cherry picker up to that. Now I loosened the bolts holding the axle housing to the diffy housing about a quarter of an inch. I used wood shims under the front and rear of the bull gear to keep it from moving when I took the axle out. I also placed one under the center of the bull gear to keep it from tipping into the center of the housing. I placed a deep well socket between the bolt I was goint to remove and the other axle bolt. When loosening the bolt up, this caused the axle to be pushed out of the bull gear. Then I took all the bolts out holding the axle housing in and slowly slid the housing and axle free from the main housing. The bull gear never moved a bit! All of this removal took only about an hour. I cleaned all the old gasket off and checked the inner axle bearing. Oops, bad news! This bearing was missing 3 balls. (By the way, I did find all the missing pieces.) Well, gotta tear it down a bit farther than I planned and wait for a new bearing. Got the bearing and installed it and put the new gasket in place. I figured I would have a tough time getting the axle back in the bull gear, but the cherry picker was just the ticket for this. I was able to raise the axle and housing up to the proper level and get the housing started back into place. I then reached inside the differential housing to hold the bull gear from moving and at the same time turn the axle with my other hand till the splines aligned. It slipped in with no problems. Reinstalling the housing only took ten to fifteen minutes including tightening all the bolts. Now, lets hope the other side goes as easily as this one did. Probably won't find out for a while as I'm cleaning up and painting the wheel and rim while it's off. Larry

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Ryan Free

12-26-2002 21:44:59




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
third party image

I done the same thing, changed rear axel housing gaskets...but i was only 15 and had no extra hands..only a floor jack and jack stand..needless to say the H still came out looking great for a 16yr olds 1st paint job!
**Note to self do not use MSD harderner with any paint except martin Sr.

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Larry in CO - Thanks Guys

12-23-2002 14:11:34




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
I just wanted to add that without this board and all the advice I've received, I would never have gotten this job done as easily as I did. Larry



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ScottyNY

12-23-2002 11:18:21




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
Pretty work! I'm with the others. The procedures described in the manuals can intimidate you into putting these jobs off. If you take the view that it went together, it can be taken apart and reassembled, it sounds like you have the right measure of patience and horse sense that makes working on these old dears the fun it's supposed to be. Thanks for sharing!



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John In Iowa

12-23-2002 07:20:10




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
I have done this twice, pretty much the same way you did. Most axle housing gaskets start leaking because of the inter axle bearing are starting to bad, not all the time but much of the time. About the only thing I did different was that I use cabinet shims to keep the bull gear from dropping or moving. It makes big differences when reinstalling the axle and you not trying to pick it up to line up with axle. (That thing is heavy on a Farmall 400) Great Post!!!

John In Iowa

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EZ

12-23-2002 06:36:33




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
Larry,
This is just a lesson for all of us who are procrastinating about those big jobs. It seems that once you get "right down to business" things will pretty much fall into place. It's just getting up the "gumption" to go for it!

Thanks for sharing that one.



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redrev

12-23-2002 06:08:28




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
Really enjoyed your post. Wish I could do things like that, but I'm educated beyond my means to comprehend AND older than dirt. I used to pull cars right down to the frame, but no more. I enjoy it too. Scottyny came all the way up here and fixed my M clutch for me. We had a good time in the ol' barn! It's my contention that 25 years of education will never teach one nearly as much as 25 years of farming, especially if you're the farmer/owner.

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RC Sprenger

12-23-2002 05:47:52




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
Larry,

Your experiences with rebuilding H's reminded me of mine when I restored my '46 H. Fortunately for me I did not have to go into the transmission as far as you but it is nice to know if I did your detailed descriptions would surely help. Great description.



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Bob in SE Nebraska

12-23-2002 05:21:56




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
Great post. If someone else needs to do the same work on their tractor, this will give them a good idea of how to go about it. I think that is what this forum is all about.

Bob



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Dick Davis

12-23-2002 04:36:53




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
Larry, don't apologize for long post if the details are where the lesson is. Your well thought out procedure produced good results while working with some heavy and awkward parts. I appreciate the information but hope I never have to use it myself. Dick



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williamf

12-23-2002 04:19:11




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 Re: Gotta Brag a Little Bit (kinda long) in reply to Larry in CO, 12-22-2002 21:22:21  
Congrats.
When I had to pull the right axle on my (also '46) H I already had the cover off for some tranny work. It seemed to me that it would be a ship-in-a-bottle type thing to get the bull gear splined back up if you couldn't pick it up from the top to wiggle it around. And you did this single handed? Prep work can make all the difference.
Wm



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