Hey, guys...
The washers arrived ahead of schedule ...
Although the lock washer is not a very hard steel, it should last a long time and I now have several.
Due to the thicknesses it was not possible to place the 3 (1 lock and 2 spacing, according to the drawing), the lock must spend first and adjust, then I will put the second spacing ... maybe in 2 years ... the fact is that it was kept with a minimum spacing and without the noise of gears with incorrect fitting.
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There should have been 2 spacer washers, but it was only 1.
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As it will have friction, a little grease goes well ...
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Now virtually zero clearance and no strange noise.
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One less problem.
The washers arrived ahead of schedule ...
Although the lock washer is not a very hard steel, it should last a long time and I now have several.
Due to the thicknesses it was not possible to place the 3 (1 lock and 2 spacing, according to the drawing), the lock must spend first and adjust, then I will put the second spacing ... maybe in 2 years ... the fact is that it was kept with a minimum spacing and without the noise of gears with incorrect fitting.

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There should have been 2 spacer washers, but it was only 1.

As it will have friction, a little grease goes well ...

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Now virtually zero clearance and no strange noise.
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One less problem.