Servicing 8163 G front wheel bearings - Seal? - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information
 
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post #1 of 9 Old 01-12-2019, 06:30 PM Thread Starter
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Servicing 8163 G front wheel bearings - Seal?

Today I took both front wheels off, disassembled and cleaned everything. A previous owner had been monkeying around in there because there were two off brand bearings and and off brand bearing cup along with what looks like a home-made rubber seal. Also, on the two outer bearings someone had drove an oil seal into the wheel. I'm not sure what they were thinking because when you tighten down the nut it presses on the rubber part of the seal. Anyway, I ordered 4 new bearings and a new race but I can't figure out how the inner oil seal is supposed to work. I have attached a picture showing what was on there but it doesn't seem right - it's very loose and doesn't seem like it would hold in any grease and keep out any dirt. I tried to look up the part but I can't seem to find anything. Also does anyone have a link to the correct size dust cap? Thanks for any help.
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post #2 of 9 Old 01-12-2019, 07:40 PM
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Re: Servicing 8163 G front wheel bearings - Seal?

The oil seals are 1.000 x 1.785 x .486 - National #203005 for a rubber seal.

GRAVELY originally used felt seals, same size, National #205005

The dust cap is GRAVELY #0349600, JACK'S shows it as a good number, likely in stock. I do not have any kind of crossover for that.

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post #3 of 9 Old 01-12-2019, 10:16 PM Thread Starter
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Is the inner seal the same style you would find on a rear wheel drive car? Should it be pressed into the wheel? What was on there looks more like a soft rubber donut.
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post #4 of 9 Old 01-12-2019, 11:00 PM
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Re: Servicing 8163 G front wheel bearings - Seal?

Quote:
Originally Posted by ChipDouglas95 View Post
Is the inner seal the same style you would find on a rear wheel drive car? Should it be pressed into the wheel? What was on there looks more like a soft rubber donut.
Are not all cars rear wheel drive

Seriously yes, it is your typical wheel bearing seal, a metal ring that presses into the hub (rim in this case) and a rubber or felt seal that fits the spindle shaft.

In case you did not get it, I'm not a fan of front wheel drive. Now all wheel drive, that's a different story.

Any good auto parts store should be able to crossover those National numbers. They are common seals.

Sheldon

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post #5 of 9 Old 01-13-2019, 10:09 PM
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Re: Servicing 8163 G front wheel bearings - Seal?

Not sure if you found this out yet, but there is a “sticky” thread for manuals. That’s where I found all of the manuals I’ve needed.

Never argue with an idiot, they'll just drag you down to their level and beat you with experience.

1972 Gravely 816 w/ Onan
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post #6 of 9 Old 01-13-2019, 11:09 PM
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Re: Servicing 8163 G front wheel bearings - Seal?

I went to Richards Parts link which shows a complete assembly break out of all the front wheel bearing/seal parts.
https://www.gravelyparts.com/oempart...10001/01460151
Jack
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post #7 of 9 Old 01-14-2019, 10:03 AM Thread Starter
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Re: Servicing 8163 G front wheel bearings - Seal?

Ok great, so the rubber donut that in there is the completely wrong part. I'll go ahead and order the correct seals and I should have everything I need to put it all back together. Thanks everyone for the great information!
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post #8 of 9 Old 01-14-2019, 10:06 AM Thread Starter
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Re: Servicing 8163 G front wheel bearings - Seal?

Thanks. I have found the manuals and parts lists. What I couldn't figure out was if I already had the correct seal or not - the diagrams don't have enough detail and I couldn't find a picture of the seal online.
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post #9 of 9 Old 01-16-2019, 06:03 PM Thread Starter
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Re: Servicing 8163 G front wheel bearings - Seal?

All the correct parts have arrived - now to pack the bearings with grease and put everything back together.
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