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Atom 6HV and 6HVU Compass Atom 6HV and 6HVU Model Helicopter Discussion


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Old 05-31-2012, 11:20 AM   #1
leaverus
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Default help with delrin rod repair please

how in the heck are you guys removing the bearing to get the brass tube out without destroying the bearing?
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Old 05-31-2012, 11:51 AM   #2
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Best advice I can give: Secure the part with a c-clamp and a few blocks of wood to a table. Position a razor blade / utility knife blade between the flange of the bearing and the housing. Tap LIGHTLY at a few different points around the flange and it should come out.

Good luck.
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Old 05-31-2012, 12:30 PM   #3
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I think there is a good video on this subject.

I have heated the yoke where the bearing is pressed in, and pushed gently on the brass tube. The bearing pops right out, with a bit of heat.
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Old 05-31-2012, 02:18 PM   #4
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watch this vid I made

http://www.helifreak.com/showthread.php?t=358216
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Old 05-31-2012, 03:11 PM   #5
leaverus
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thnx for the suggestions guys. cool (or hot?) vid barnstormer.
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Old 05-31-2012, 05:27 PM   #6
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For replacing broken rods, you don't even have to worry too much about how hot the yoke gets. To a point, the hotter the better. The last time I use that method this, and the only successful time, I heated it with a butane torch enough to partially melt the Delrin and the bearing came out with very little force.
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Old 06-01-2012, 04:43 AM   #7
Tribal69
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I had to replace one too a few months ago and I used also a heat torch and a cutter knife to release the flanged bearing.
Don't use to much force on the bearing with the knife otherwise you can cut them right through.

Good luck
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Old 06-01-2012, 04:42 PM   #8
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I poke them out with a small diameter hex driver pushed through from the opposite end and have yet to damage or ruin a bearing. I certainly wouldn't recommend hammering on them using this method though.
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