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HomeAircraftHelicopterCentury Radikal G20-30 N640 Hawk Predator › G20 sprague clutch install
10-15-2011 05:19 PM  6 years agoPost 1
blade77

rrApprentice

N. Ireland

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Is there an easy way to get the Main shaft slieve into the sprague one way bearing after the bearing has been installed into the Hub.It keeps catching and I have to unassemble the hub to get in there and hold the teeth back to allow the hub in - I think I must be doing this wrong?

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10-15-2011 10:46 PM  6 years agoPost 2
Billme

rrElite Veteran

MS

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I wish I knew of a easy way, just keep trying, it will just slip right in when you least expect it.. Done mine watching tv.. Its like playing with a rubic cube You can try just putting the spindle in the freezer before you start

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10-16-2011 02:20 AM  6 years agoPost 3
blade77

rrApprentice

N. Ireland

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I wonder if there is some sort of expanding tool that could be used to expand the spraq bearing until the hub is seated in there.like some sort of circlip tool - there is bound to be something

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10-16-2011 07:37 AM  6 years agoPost 4
jtg13

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So Cal

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I feel ya Blade. Getting the sleeve installed was the most frustrating, rediculous, asinine, aggravating experience I think I've ever been through. But it does go, and it's so worth it when you finally get it installed. After 2 hours of trying to gently finess it in there I finally used a little pressure, just medium pressure... Not real hard, it finally went. I think I was trying to go too easy, but I might have just got lucky, not real sure.

I can say it is a huge improvement and is worth the effort. It is silky smooth when finally installed and I feel it is really a quality piece. It will probably outlast the bird. At least I hope so because I really don't want to have to install it again!

Keep trying, it's worth it! Good luck.

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10-18-2011 06:45 PM  6 years agoPost 5
Asid

rrVeteran

uk

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I used a socket (if i remeber correctly) i popped it in from the other side until it expanded the bearing on both sides that made it easier.

I hope this makes sense

If it ain't broke then break it.

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10-19-2011 12:56 PM  6 years agoPost 6
tango9

rrNovice

marquette, mich usa

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sprague clutch install
I used one or two thin feeler gauges to help expand the bearings while pushing the shaft sleeve in, worked good

jim

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10-19-2011 11:07 PM  6 years agoPost 7
Felino

rrApprentice

Mexico city

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The sleeve is very hard to get in the sprag as it comes from factory.
The sleeve has, from factory, a tapered step that meets the sprag...

It should aid installing the sleeve in the sprag but it doesn`t because the tappered portion is too small, barely visible.

I just made the tiny tappered portion a little bigger... and there it goes!!
Now I can easy mount the sleeve in the sprag, time after time, with no trouble.

Althogh I didn`t try it, I think the feeler gauge technique should also aid installing the sleeve.

Happy autos!!

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10-20-2011 01:57 AM  6 years agoPost 8
Billme

rrElite Veteran

MS

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I'm sure the next set will be better...

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