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B-10 bevel gear slop


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#1 justwalt OFFLINE  

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Posted October 19, 2010 - 06:35 PM

I have about 3-4 degrees of slop in the bevel gears.

I see that there are shims that can be added behind the pulley,
(as needed), as it says in the manual.

I'll open it up to inspect the gears anyway, just wanted to know
if this is the right fix.

#2 MH81 ONLINE  

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Posted October 19, 2010 - 07:18 PM

Walt, What are you turning to find the slop? If it's at the variable pulley, the slop I found was in the keyway at the pulley. The other place I thought might be a problem for me was at the bevels also, but when I tightened the nut at the variable pulley on mine, the slop went away. If you have a qt of 90 wt and some gasket material, might not be a bad idea, just watch the key doesn't fall out when you're not looking. Also, 3-4 degrees isn't much...for the age.

Look at the exploded view to see how yours goes together, mine may have been different (B-112). BTW did you ever nail down the year & download the manual? I found it to be invaluable for my little problem.

#3 justwalt OFFLINE  

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Posted October 19, 2010 - 08:21 PM

The tractor's almost completely apart. So, I'm holding the drive shaft yoke still and
turning the pto pulley, (left side). The other side is the drive pulley that is goes to
the trans. I don't have a variable speed pulley, maybe that's for the hydro, I have the
geared trans. And any keys on either side are nice and tight.

The exploded view shows shims, letter "F", for the left side which would push the gears
closer together.


Being so easy to get to now, I'm going to open it anyway to see, and to make sure she doesn't
leak before putting the tractor all together.

Once open, I'd be able to to see if it's worn gears, or if another shim will take up some
of the slack. And I did downloaded the simplicity manual, it's great.

As for the year, The trans has (some) original black paint on it... and the bumble bee decal
was the late B-10, '66 or better. I had thought the extra yellow engine, (a '63), was the
original, but the black engine on it now is a '66, so I'm going with 66-67.

#4 justwalt OFFLINE  

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Posted October 21, 2010 - 08:28 AM

Well, the bevels are just fine, no abnormal wear pattern, everything tight,
and the end play is less than the thickness of one shim,so all there is to do
is clean out the case and put it back together.

I did have a a big chip out of the cast pto pulley, and the bigger steel pulley
behind it was delaminating. Had to cut most of that one away to get a gear puller on it.

So far, everything that's important is good. Gotta love the simple engineering of old.




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