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Harry Ferguson Tractors Discussion Forum
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to30 rear axel oil leak

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S2710

05-07-2008 20:45:53




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I have a 1951 to30 and the seals are leaking oil on the brakes. I was wondering how much of a job it is to change them and do you have to remove the bearings to do it. Thanks in advance. Bob




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S2710

05-08-2008 19:17:56




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 Re: to30 rear axel oil leak in reply to S2710, 05-07-2008 20:45:53  
Thanks guys for the information I will get her jacked up and tore apart to see what I need and get the parts ordered and fix her. So Thanks again. Bob



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Don Hooks*

05-08-2008 15:03:38




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 Re: to30 rear axel oil leak in reply to S2710, 05-07-2008 20:45:53  
I guess I enjoyed some dumb luck - I replaced mine and did not have nor need a press although they did need a little prying to start then popped right on out. Removing the collar is pretty easy but you have to remember that you must drive it all the way home when you install the new one or it will cool and bind and then you have to chisel it off and get a new one and start over. DO leave the lug nuts on the axle so the studs won't get damaged when you replace the collar. You can heat the collar with a propane torch and I made a driver from a section of chainlink corner post just a little longer than the axle. Drop the heated collar on the axle and whang the driver with a mallet or a BFH until the collar seats. It will cool in less than a minute and you are done. I couldn't find seals the same depth as those in the end of the axle trumpet so I bought some just slightly thinner - turns out the axle seal surface was not shiny so I drove the seals in deeper so that they would run on the unworn surface. Seemed to do well. No disrespect but do make sure you have the tools to handle the hot collar.

I suggest you try removing the bearing and go to the machine shop only if it won't budge. George's advice is right on for a stuck bearing. Best of luck.

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gshadel

05-08-2008 10:19:22




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 Re: to30 rear axel oil leak in reply to S2710, 05-07-2008 20:45:53  
Your axle has 2 oil seals on each side. You have to pull the axle hub and shaft off (not a hard job once you get that big tire out of the way) The outer seal is easy to replace. The inner seal requires pressing the drive shaft off the hub. If you have no press... that is a BIG job. If you have a meaty... ~20-30T press, not that big a deal. You also have to drill and chisel off the retainer ring on the axle to press off the hub. Replace the seal, the press the hub back on again, heat and install a new retaining ring. Not a hard job but takes a good afternoon. Don't need any special tools, except for that press.
Most machine shop/repair type places will do the press work pretty cheap.
Check your gaskets on the front and back side of the brake backing plate and make sure your backing plate and hub mount bolts into the axle are torqued to spec. They tend to back-off over time and oil leaks past the backing plate and hub, but from the outside it looks like the axle seal is leaking.

George

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Gene Stevens

05-07-2008 23:10:17




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 Re: to30 rear axel oil leak in reply to S2710, 05-07-2008 20:45:53  
Check the level of your transmision/rear end first. If it is overfilled it will seep onto your brakes. Might save you a lot of work. Someeone suggested if that were the case...send your wife shopping and put the brakes in the dish washer to remove the oil.



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S2710

05-08-2008 07:07:37




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 Re: to30 rear axel oil leak in reply to Gene Stevens, 05-07-2008 23:10:17  
The oil level is where it is suppose to be and just a little low. When I bought the tractor this winter I knew the seals need changing. I have a manual but any hands on help would be a great help. This is my first Ferguson so I will be asking for more help on things. Thanks Bob



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