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Farmall & IHC Tractors Discussion Forum
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806 gear teeth

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Hoss4702

12-29-2005 14:59:21




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I changed the hyd. filter in my dad's 806 and while doing it, I found laying in the bottom of the filter housing, two teeth about 1" long, 3/8" tall, 3/8" long across bottom of tooth, and piece that looks like a 1" knockout from an electrical box. Any ideas what they are or how they got there? There are no strange noises from the rearend. Just wondered where to start or if they were remnants from a prior rearend job?!? Ya gotta have hope right??? Thanks in advance!

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hoss4702

12-30-2005 06:57:37




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 Re: 806 gear teeth in reply to Hoss4702, 12-29-2005 14:59:21  
yes, the piece has a hole in the middle, looks like it could fit over the dipstick. My next step is to pull off the top cover and see what's missing inside, I just wasn't sure where to look, I didn't understand how it could get into the filter housing. Thanks for now...we'll see what we find!


Hoss



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K.B.-826

12-30-2005 18:18:17




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 Re: 806 gear teeth in reply to hoss4702, 12-30-2005 06:57:37  
Hoss, those pieces ended up in the filter housing because the transmission and the hydraulic system share the same oil, and the hydraulic pick-up tube runs from the bottom of the range transmission to the filter housing. Pull the top cover and check out the reverse driven gear, it's the rearmost gear on the top shaft. Unfortunatly, that gear is almost the last thing to come out of that transmission after splitting the range transmission from the speed transmission, removing the PTO unit, removing both final drives, and removing the rockshaft assembly.

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K.B.-826

12-29-2005 15:09:10




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 Re: 806 gear teeth in reply to Hoss4702, 12-29-2005 14:59:21  
The most common gear to have teeth broken off of is the reverse driven gear. Gets broke if the park lock is engaged while the tractor is still rolling. Sounds like the tooth you found is about the right size. Drive around in reverse and listen close. The gears in the range transmission can all be inspected by draining the oil, removing the top cover, and removing the cover on the left side. As for the piece you describe as looking like an electrical box knockout, does it have a hole in the middle? I wonder if it isn't part of the dipstick? Can't think of anything else that fits that describtion.

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