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Lucky Phil

30 second s/arm bearing removal

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After years of reading about the difficulty of this task I though i'd attack my first one by engineering the issue. The tool shown can be made by anyone with a hacksaw,drill and file and 100 mm of 50x2mm wall square. Something with a little bigger ID would be better but I used what was on hand and thats the reason for the end slots to allow for the fact that the tube id was 46 and the bearing OD was 47mm.

The radial slot is for the 3/4 spanner to hold the bearing puller as you crank up the slide hammer nut. When you have moved the bearing 10mm or so you can slide hammer it out easily or just keep cranking the wrenches. The steel plate was just scrap I had laying around and when I have the time I'll make a decent looking dedicated one. On the bench is one of the other size bearing puller adaptors for reference to style of puller and a hammer for docc. The key is to apply a decent load to the bearing puller and slider hammer combo via the wrenches and then give the swingarm boss a few light taps just in one area is good enough and the bearing then releases. I used my copper hammer for the task.This is an important technique which I learned removing Ducati Crank gears. Load up the puller then a "tap" with the hammer and drift and they pop free. Exactly the same here. Time to remove? as the header says 30 seconds.

 DSC00946.JPG

Ciao       

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That's brilliant!

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1 hour ago, Dave Swanson said:

That's brilliant!

   That's Lucky Phil !         :grin:

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