Claas 670 question - The Combine Forum
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post #1 of 7 (permalink) Old 08-22-2019, 10:16 PM Thread Starter
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Claas 670 question

We keep popping the seal o this bearing. Bearing never fails.1C573C2A-683C-40B1-9005-065FC0D7DD06.jpeg

576A669E-D1D0-4349-806C-4BBB46F24EE6.jpeg
Happens weekly regardless of bearing type.
No vibration wear or heat.

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post #2 of 7 (permalink) Old 08-23-2019, 06:50 AM
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Is that the main walker drive?

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post #3 of 7 (permalink) Old 08-23-2019, 07:17 AM
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Put some silastic or strong sealant on the seal of another bearing, let it cure then put it on.........

Doesn’t find the reason but hopefully get you thru the season

Square box........
Round pizza.......
Triangle pieces....

Iam confused......


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post #4 of 7 (permalink) Old 08-24-2019, 09:04 AM Thread Starter
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Originally Posted by aussie.ltd. View Post
Is that the main walker drive?
Yep
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post #5 of 7 (permalink) Old 08-24-2019, 12:13 PM
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Put some silastic or strong sealant on the seal of another bearing, let it cure then put it on.........

Doesn’t find the reason but hopefully get you thru the season
Similar thought to mine. What about a two part epoxy like JB Weld around the inner lip on the hub and outer bearing race? Clean it first with brake clean or xylene so the JB will bond. There must be some horizontal movement in the bearing that is popping the seal??? Probably not enough room in the hub to try a different bearing like double row of balls???
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post #6 of 7 (permalink) Old 08-24-2019, 05:09 PM
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I’m thinking worn bush or block on one of the walkers, not that I’d know. Just a thought
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post #7 of 7 (permalink) Old 08-24-2019, 08:15 PM Thread Starter
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Harvest is a way away yet but plan to take walkers out and inspect.

Been a trusty harvestor with little trouble 1700 hours many more to come with price of combines and some dodgey years in australia
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