Removal of nut threads off the axle - MVAgusta.net
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post #1 of 13 (permalink) Old 10-08-2013, 03:38 PM Thread Starter
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Removal of nut threads off the axle

Hi,

Quick query, any tips on removing the remains of the wheel nut which has galvanicly welded itself to the rear axle.

When the nut was cracked off it left about four rows of the innermost nut threads stuck on the axle. I was ready to mix some caustic soda up but that won't do the finish on the axle any good.

Any ideas welcomed

Russ
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post #2 of 13 (permalink) Old 10-08-2013, 03:41 PM
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Russ, if you don't mind detail work, you can have success with a couple of picks and a triangular jeweler's file. Go slowly and steadily and be gentle...the material left behind will succumb.

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post #3 of 13 (permalink) Old 10-08-2013, 05:06 PM
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I'd spray it with WD 40 and use a brass brush or similar to clean it out after a bit of a soak in the WD.
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post #4 of 13 (permalink) Old 10-08-2013, 05:07 PM
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Thread files work well, too....but I'd be picking at it first to see if it will release and pull off. Try some heat, too.

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post #5 of 13 (permalink) Old 10-08-2013, 05:15 PM Thread Starter
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Joe
Did you get the pm re the wheel nut.
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post #6 of 13 (permalink) Old 10-08-2013, 05:57 PM
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screw WD 40.....use 50/50 acetone and ATF, its better than Kroil which makes WD 40 look like glue

let it soak for a day or 2 then grind a punch with a slightly less than 60* angle to the sides put a radius on the point of the 60*, use about a 70* back rake on the point

clamping the axle in a vise would be best, but you can do it on the bike

it should lift off in big chunks if you hit it below tangential

me? I'd use my pneumatic engraving tool

next time use CoppaSlip or Never Seize on the threads


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post #7 of 13 (permalink) Old 10-08-2013, 05:58 PM
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I throw it away and get another one.
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post #8 of 13 (permalink) Old 10-08-2013, 06:03 PM
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Quote:
Originally Posted by CAG View Post
I throw it away and get another one.
but you're Mr MV Parts inc too

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post #9 of 13 (permalink) Old 10-22-2013, 03:05 PM Thread Starter
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Here is a of pics showing the alloy threads that were stripped from the nut.

Penetrating oil and a pick got rid of most of the alloy on the axle and I reversed the nut and used it to clean the threads up a bit. It will need a bit more time on it to get rid of all the corrosion to a standard I will be happy with

The axle threads look undamaged so it's just a new nut, so that's another problem job out of the way.
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post #10 of 13 (permalink) Old 10-22-2013, 03:07 PM Thread Starter
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Pic of the nut
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