One way bearing removal - HeliFreak
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Old 09-04-2013, 01:04 PM   #1 (permalink)
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Join Date: Apr 2012
Location: MEX
Default One way bearing removal

Has anyone of you guys removed the one way bearing from the main gear?

it has 3 bearings. Two bearings on both ends of the main gear case, and the one way in the middle.


Thanks.
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Old 09-04-2013, 01:18 PM   #2 (permalink)
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Join Date: Jun 2009
Location: Switzerland/ Europe
Default tools

Xelas,

There are simply tools to remove the one-way-bearings for little money.

If the one-w-b. was fixed by use of thread-lock, e.g bearing-glue, it might be required to apply some heat first to make it removable.

Best Regards,
Oliver
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Old 09-04-2013, 07:16 PM   #3 (permalink)
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Join Date: Apr 2012
Location: MEX
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I actually have a tool to remove the bearing. But my doubt is if the 2 bearings that are on the outer sides of the housing, are seated on a counterbore (or box, i dont know the exact term in english).

If so, i cant use my tool to push the 3 bearings from one side to make them go out from the other side.

I want to change them with a new and better ones and oil them, just to help with the blocking issue of the one way.
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Old 09-05-2013, 01:14 PM   #4 (permalink)
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Hello Phil,

Sometimes heating up the part with more extension, helps. As the o-w-b is made out of steel and the other part made of alumina, I guess you will need to heat up locally the alumina part.

When green threadlock was applied, you really need to destroy the 'glue' first, as the green thread-lock is more like a glue then a normal threadlock.

Sometimes I heat up the part which has more extension, when heat is applied and then using some bold (diameter wider than the o-w-b) you might be able to stroke against, until the bearing falls out.

Sometimes o-w-b are not bad, then just having accumulated some dirt and needs to be cleaned and greased again. In order to greese the inside, use some oil or low-viscosity grease, the only important thing is, to use some non-acid lubricant and it should not build some resin after time.

Best Regards,
Oliver
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