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Belt Pulley

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Jeff U

03-16-2004 07:38:06

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I have a belt pulley off a WD. The bearings are froze in the pulley tube. I have been soaking these bearings in oil for over a year now. Just wondering exactly how this is suppose to come apart? I have removed the snap ring on the gear end. Wondering if heating the tube with a rose bud while applying pressure from a press pushing down if that would work? Or am I missing someing here totaly? To me this looks like it should push out thro the gear end of the shaft or tube.

Thanks guys for any help.
Jeff U

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Dan Cychosz

07-20-2006 21:10:39

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 Re: Belt Pulley in reply to Jeff U, 03-16-2004 07:38:06  
Be careful trying to press the shaft out, mine was stuck and the housing cracked when trying to press it out on a hydraulic press. Ended up just buying a whole new assembly

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03-16-2004 15:30:43

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 Re: Belt Pulley in reply to Jeff U, 03-16-2004 07:38:06  
The I&T manual has details on disassembly. After removing the nut and pulley, you need to remove a snap ring on the gear end of the shaft, then bump the shaft out of the tube. The bearing by the gear is held in by snap rings on both sides- that is what prevents lateral movement within the tube. Shouldn't take heat or a lot of force. The manual also details how to use the multiple tapered holes in the tube to set backlash, as well as which way the bearings face at reassembly. They should be marked 'thrust' on the race, but they need to be put in right.

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Joe M

03-16-2004 14:44:38

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 Re: Belt Pulley in reply to Jeff U, 03-16-2004 07:38:06  
Jeff, you are correct, removing the gear end snapring.The shaft has a c-vlip retaining the inside bearing, so the bearing is comming out too.The bearing is pretty thick so it's going to be a pain. I soaked mine in diesel for a week, and then poured the PB Blaster to it good. Still took some serious BFH attention to get it out.
Watch the inner bearing, they aren't cheap and they are thrust type bearings. Careful with the seal too, I had trouble locating one and had to get it from AGCO. Send me your e-mail and I'll e-mail you an exploded view of what you're working on.(remove me)murphy06@bellsouth.net

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