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Hirobo Embla - SRB Quark - Lepton
› Trouble replacing Lepton one-way bearing
06-08-2009 03:21 AM  8 years agoPost 1
owde

rrApprentice

Darling Downs Australia

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I've just stuffed a new one-way bearing as I was trying to install it and the one I removed is now worse than it was in the first place. I heated the bearing and casing with a soldering iron to loosen the locktite and it was still really difficult to remove but no where near as tight as the new one seemed to be, the casing had cooled down, so maybe I should have heated the casing before I attempted to install it. I started by pressing it in with a vice and then used a socket with a rubber hammer. Anyhow I need help/advice for when I try again with another new one, I will certainly heat the casing and cool the bearing this time if no one has any better ideas.

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06-08-2009 02:03 PM  8 years agoPost 2
Paul_Barsamian

rrVeteran

Glenview (North Suburban Chicago)

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Suggestion
Buy or borrow a butane torch for heating, a soldering iron will make it more difficult to heat evenly. As an alternative, if your wife, gf, or mother (who ever rules the roost) will allow you to use the oven, bake the metal only portion of the hub for 40 minutes @ 450 degrees, and toss the new bearing in a dry sandwich bag in the freezer for 30 min.

then assemble carefully

Son, before you can soar with the eagles you have to learn to sh** with the chickens

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06-15-2009 01:23 PM  8 years agoPost 3
owde

rrApprentice

Darling Downs Australia

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Thought I better answer my own query in case someone has same problem and is doing searches like I was. Anyhow I got it in with no trouble at all after taking my time, I was in a rush when I messed up the first one. I tried using locktite like most of my other bearing installs, dont bother, just use some grease for this press fitted bearing. To get it in I just used certain cleaned & greased flat washers, nuts, socket and a bolt - similar to this thread http://www.heliguy.com/Forum/simple...ing-t35348.html
This way is simple and sensible, the bearing is guided in straight with the bolt. I didnt use any heat either though it would probably help, it just makes things difficult and makes you rush.
So with this done and ceramics in the motor, main and in the tail the Heli is going great, smooth and quiet...

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Hirobo Embla - SRB Quark - Lepton
› Trouble replacing Lepton one-way bearing
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