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How to grease this bearing?

P

pburchett

Member
I am in the process of replacing the inner axle seals in the rear end of my 640 Ford as they leak.

I understand that the leaking gear oil has diluted or washed away the rear axle outer bearing grease and needs to be repacked.

How do I repack these bearings without removing the real axle bearing retainer collar?

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You remove the collar press it apart install a new outer seal grease the bearing and put it back together.. If you don't replace the outer seal what will retain the grease are if the old seal is leaking it still will leak :(... Do it once do it right life will be good...
 
Bingo, Hobo.

It's a PIA job but if done correctly will last a lifetime in a vintage Ford tractor.

Dean
 
If you don't put both seals in now, you will wish you would have in the not to distant future!
 
I agree with Hobo. I did my 2000 a few years back, both sides. I made a puller based on pictures of the NuDay but it was beast of a job. You have to drill through that collar and split it with a chisel and heat-shrink new ones on. I can send you a dimensioned drawing of puller if you want.
 
You can grease it with a needle, but without seal replacement that?s just a Band-Aid.
 
I pulled the rear axle out and took the brake shoes off and proceeded to attempt to split the retaining collar. I drilled two ½ inch holes one half inch deep and beat the tar out of the collar. Nothing happened. Drilled a third hole and went for broke as the bearing was locked up from shavings and I figured I had damaged it beyond use. The drill did not stop till it was 1 ¼ inch deep.

I did not know the collar was so thick and I figured I had ruined everything. Beat on it a little and to my surprise the collar split. Turned the axle upside down and banged it on a 6x6 block and the bearing came out. Cleaned it up and all is good. HAPPY DAY. The other side should be a lot easier now I know what to do.

Time to order some collars, outer seals and other parts from YT

Thanks guys!
 
Congrats. I don't think many would attempt that job. That collar is a little over an inch think. I found out the hard way, drill, chisel, drill, chisel, drill, chisel, till I measured the thickness with a hooked wire. Then I just kept drilling till I hit bottom. Not hard to split after that. My bearings pulled off REAL hard. Be careful not to get dirt in the grease when you press them back on.
 
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