Removing rear hubs on 8 speed - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information
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post #1 of 16 Old 09-24-2009, 01:18 PM Thread Starter
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Removing rear hubs on 8 speed

how do you get the rear hubs off the 8 speed tranny? i need to replace seals.

i loosened the set screws, don't know if it's a good idea to use a hammer or not.

Thanks

2- WH C120, C180, C81, B80, Cub122-12HP stock puller (sold), Cub 104
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post #2 of 16 Old 09-24-2009, 01:41 PM
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Re: Removing rear hubs on 8 speed

You will probably need a 3 or 4 jaw puller. I would not recomend a hammer as I have even had a few break with using the pullers. Soak the hubs with PB Blaster for a day or two, and put a little heat to them if needed as you pull.


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post #3 of 16 Old 09-24-2009, 01:44 PM Thread Starter
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Re: Removing rear hubs on 8 speed

Thanks

2- WH C120, C180, C81, B80, Cub122-12HP stock puller (sold), Cub 104
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post #4 of 16 Old 09-24-2009, 02:01 PM
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Re: Removing rear hubs on 8 speed

I'm glad that I saw this thread.

This is something that I'm gonna have to do too.

Retired from the rat race... the race was fixed by the rats!

Titanium / Dave
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post #5 of 16 Old 09-24-2009, 04:16 PM
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Re: Removing rear hubs on 8 speed

Here's an idea from a fellow Wheel Horse collector who doesn't participate in this board.
Quote:
Wheel Horse rear axle hubs do one of two things. Either constantly
come loose, or attach themselves permanently to rear axle. I've
buggered them by pounding on them, pulled snap rings loose from the
inside of the axle with prying, and snapped them with three jawed
pullers. Heating will help, but that always ruins the paint at best,
the seals are also in question afterwards.

Not too mention the just pain in the butt it is to do all that stuff.

There has to be a better way. Tell you what, there is!!!

Take a 6" square piece of 1/2 steel. Drill 6 appropriately placed and
spaced holes. Tap the center one to 1/2" fine thread. Weld a 1/2" fine
thread nut over the center hole just for good measure. Grind a small
taper on the end of a 1/2x6" fine thread bolt. Cut off the points of
the "square" for good measure. Using 5 bolts of appropriate size,
attach to rear hub. Just set center bolt snug. Even up pressure on all
6 other bolts. Using a 3/8" impact on low setting, watch the hub slide
of the axle harming NOTHING in the process.

Takes about a minute to attach the puller, pull the hub, and disengage
the puller from the hub.



Jason in SE Minnesota
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post #6 of 16 Old 09-24-2009, 06:43 PM
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Re: Removing rear hubs on 8 speed

hummmmm PB blaster helps also
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post #7 of 16 Old 09-24-2009, 07:54 PM
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Re: Removing rear hubs on 8 speed

Pullers always work for me. If you do use a hammer, at least use a rubber mallet...

Micah

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post #8 of 16 Old 09-25-2009, 02:09 PM
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Re: Removing rear hubs on 8 speed

I like that puller set up!


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1988 WheelHorse 211-4 (Re Stored)
1970 WheelHorse Raider 12 (Project)
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post #9 of 16 Old 09-25-2009, 06:07 PM
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Re: Removing rear hubs on 8 speed

I'd buy one of those pullers! Buy two if one was for the D!
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post #10 of 16 Old 09-25-2009, 06:32 PM Thread Starter
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Re: Removing rear hubs on 8 speed

has anyone used a car damper puller? only three holes, but works good on a damper.

2- WH C120, C180, C81, B80, Cub122-12HP stock puller (sold), Cub 104
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post #11 of 16 Old 06-16-2019, 02:13 PM
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Re: Removing rear hubs on 8 speed

Oh boy' looks like this repair is coming my way for my 414-8 but after reading here & there I may just wait till fall/winter because I'm using it to mow, I sure don't want to deal with a broken hub right now at least, I noticed my axle/housing has a slight oil coating.

But' another thing? I noticed the hub on the (L) side that's seeping has moved inward a little bit too I believe? I never noticed it before but their is a difference in axle spacing between the two sides at the rear of the hub & center case (seal area) but it could have been this way for a long time idk? Maybe an inch or better?
It's the oil residue that caught my attention, so just maybe I'll get lucky and it will come off easier if loosened up already but my luck is always terrible so its very doubtful? My luck, most likely my hub has spin welded itself onto the axle like my old 64 Plymouth Sport Fury done. After 2 days of heating/banging on it's hub the shop was forced to cut its axle into to get my brake hub off that car. Old threaded on style axle/hub.. Regardless that's my luck you see folks?..lol

For now this tractor's never been low on rear end oil nor leaked on the ground so its not bad yet. Looks like a fun job here that could include the use of several 4 letter curse word tools no doubt. It's okay' I have those special tools already, I just keep them in a special tool box only to be used after a certain time period, generally around the 17 minute mark it seems? Sometimes sooner, there's no lid on that tool box..lol

I thank you folks again for the info, I know whats ahead now.
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post #12 of 16 Old 06-30-2019, 10:41 AM
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Re: Removing rear hubs on 8 speed

Quote:
Originally Posted by KeithB78 View Post
how do you get the rear hubs off the 8 speed tranny? i need to replace seals.

i loosened the set screws, don't know if it's a good idea to use a hammer or not.

Thanks
Or use Aero Kroil if you can get your hands on it to loosen the screws. Better than PB Blaster.

"I've always been crazy but it's kept me from going insane." -Waylon Jennings
And even worse, I don't care.
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post #13 of 16 Old 07-01-2019, 12:20 PM
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Re: Removing rear hubs on 8 speed

Well' I guess I got lucky as I went ahead and replaced both my brake shaft & axle seals and all went very smooth. I sprayed mine with PB blaster several times for a few days before starting the job. I also replaced my woodruff key because it had the edge smashed down where the bolt was so over tightened at some point and it had a bit of wear all along the edge too making it a bit narrower so I suspect it came loose and was driven at some point? Key don't look ground down intentionally or at least I see no grind marks but its weird that its about an 1/8th narrower just along the edge like it was indeed narrowed to slide into the hub slot easier. I bought tractor used so I'll never know for sure? If it was intentional maybe for future hub removal, if so it sure worked for me as it didn't take much cursing to get it off. I did put anti-seize on it for any future repairs needed.
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post #14 of 16 Old 07-01-2019, 01:14 PM
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Re: Removing rear hubs on 8 speed

Quote:
Originally Posted by 123GO View Post
Well' I guess I got lucky as I went ahead and replaced both my brake shaft & axle seals and all went very smooth. I sprayed mine with PB blaster several times for a few days before starting the job. I also replaced my woodruff key because it had the edge smashed down where the bolt was so over tightened at some point and it had a bit of wear all along the edge too making it a bit narrower so I suspect it came loose and was driven at some point? Key don't look ground down intentionally or at least I see no grind marks but its weird that its about an 1/8th narrower just along the edge like it was indeed narrowed to slide into the hub slot easier. I bought tractor used so I'll never know for sure? If it was intentional maybe for future hub removal, if so it sure worked for me as it didn't take much cursing to get it off. I did put anti-seize on it for any future repairs needed.
Allways replace the keys and the set screws If a hub has moved
If there is a worn place on the key it has also worn the cup point on the set screw.
My oldest Wheel Horse I bought new in !977.

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post #15 of 16 Old 07-06-2019, 10:43 PM
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Yes indeed, my set screw tip certainly was deformed so I replaced it also.
I didn't have an original square head design, instead it got an Allen head set screw I had. I'll double check it stayed tight after a few uses.
Sorry, I should have discussed it's replacement too but I failed to. Oh well' guess I'm getting old like my tractors..lol
Thanks

Last edited by 123GO; 07-06-2019 at 11:15 PM.
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