Questions on Axle Sure Seal Removal, and Axle Housing Ga

BDevlin

New User
Folks,

With much gratitude to this forum, I was able to get a very stubborn rear wheel off a '47 2N and pull the axle.

To my surprise it already has an axle sure seal installed. Since the brakes are saturated, and there are numerous punch marks on the seal's flat surface, it needs to be replaced.

Any pointers on removing the existing sure seal?

Also, there is a thin gasket between the brake backing plate and the axle housing. I don't see that in the FO-4 shop manual. It is in YT's parts listing as PN 9N4130, item No 153608.

I believe I want to replace that seal. Yes?

Thanks,
Bill
 

Another sure seal hack job gone wrong. : (

To repair it correctly you will need to press the hub off the axle and go after the root cause the outer seal.

I am not sure how I discovered this trick I may have seen it on Youtube, a guy down under replacing the seals on a MF tractor.
Drill the bearing retaining collar all the way till the bit his the wheel bearing (the bearing is hard you will not damage it) Then use a large round tapped punch that fits in the hole drive it in, it will split the collar. If you get the collar split haft the battle is over : ) You may be able to make up a puller to remove the wheel bearing.

Links in this post.



https://forums.yesterdaystractors.com/viewtopic.php?p=9156013&highlight=hack#9156013
 
(quoted from post at 17:36:42 01/21/23) Folks,

With much gratitude to this forum, I was able to get a very stubborn rear wheel off a '47 2N and pull the axle.

To my surprise it already has an axle sure seal installed. Since the brakes are saturated, and there are numerous punch marks on the seal's flat surface, it needs to be replaced.

Any pointers on removing the existing sure seal?

Also, there is a thin gasket between the brake backing plate and the axle housing. I don't see that in the FO-4 shop manual. It is in YT's parts listing as PN 9N4130, item No 153608.

I believe I want to replace that seal. Yes

Hey Bill,
Getting the old SS out is the easy part. Pound a punch or chisel through the side and pry it out. Be careful to not damage the axle shaft.

I recommend replacing both the original outer seal and the SS. With an installation of SS, you must grease up your axle bearing as they will not receive oil for lubrication. That's what is wanted. No oil there, no oil to leak through to the brakes.

Replacing the outer original seal can be a chore. Drill / split the collar and press the axle shaft through the bearing. Ask for help here if needed. A shop press will be your friend.

Installing SS is easier said than done. Most times they are a bear to get in. Again, a shop press here helps. Pounding them in is difficult as the grease on the bearings air locks the seal from going in. That's all the pound mark's you see on the old seal. A press can push them in smoothly. You'll probably want to add to the taper on the edge of the SS. Again, they are tough to get in, but once fully in, arent going anywhere.
 
Thanks guys.

I need to think through this. This started out as project to pretty up the son-in-law's tractor. Up until a few years ago it was a working tractor, helping to manage several hundred acres of land. Now it's used for seasonal displays. I doubt it sees as much as 20 operating hours a year.

Thanks for the insight and links. You guys certainly are teaching me.

Bill
 
(quoted from post at 23:00:54 01/22/23) Thanks guys.

I need to think through this. This started out as project to pretty up the son-in-law's tractor. Up until a few years ago it was a working tractor, helping to manage several hundred acres of land. Now it's used for seasonal displays. I doubt it sees as much as 20 operating hours a year.

Thanks for the insight and links. You guys certainly are teaching me.

Bill

Whuts to think about, I doubt you will ever get any closer to the issue.
 
At 71 years old, just doing the sure seals correctly, on this tractor, will be a repair that outlasts me.
 
I replaced one of my sure seals last winter. I punch a hole in the seal and used a pry bar and small chunk of wood to pry the seal out. The seal lasted twenty
years and the bearing was still full of my red grease.
 

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