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Ford Tractors Discussion Forum
Show Parts for Model:

641 Hub for Clutch Release Bearing

Author  [Modern View]

03-22-2014 15:00:41

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I am in the middle of clutch replacement. Many thanks to all on this forum for advise to split the tractor. So here is the problem. The new clutch release bearing will slide on and off the carrier hub by hand. The shop manual says the bearing should be a press fit onto the carrier hub. The old release bearing was bad so perhaps it wore the OD of the carrier hub? Do I need a new carrier hub? Once I get this thing back together sure don't want a do-over anytime soon.

BTW, you can see score marks on the hub where the old release bearing was spinning on the hub.

Update: Close inspection reveals there is a ridge ay the back on the outside diameter of the hub, By hand I can snap the new release bearing onto the ridge and it stays in place. I must use a screw driver to pop it back off. Okay to use as-is?

Is it common practice to lube the inside diameter of the hub with some type of grease? If so what kind?
This post was edited by mooboy at 15:32:20 03/22/14 3 times.

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03-24-2014 05:33:59

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 Re: 641 Hub for Clutch Release Bearing in reply to mooboy, 03-22-2014 15:00:41  
I would coat the carrier with Locktite sleeve seal. It is what you use to glue loose sleeves into the bore. If it turns in there, as Dollar Bill says it won't last long.

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Dollar Bill

03-23-2014 18:17:05

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 Re: 641 Hub for Clutch Release Bearing in reply to mooboy, 03-22-2014 15:00:41  
You won't ever regret replacing the carrier but if a worthy replacement carrier isn't available you have two options. Stake the release bearing to the carrier by using a center punch/hammer to increase the interference and/or use Loctite stud and bearing mount.

Your description (ridge) sounds like it's worn quite a bit - Which ever method you feel comfortable with but you definitely don't want the bearing race spinning on the carrier - It will only get worse.

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03-24-2014 16:07:10

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 Re: 641 Hub for Clutch Release Bearing in reply to Dollar Bill, 03-23-2014 18:17:05  
I ordered a new carrier hub today from this site. Thanks to all for the input.

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