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Old 29-09-2011
coleman758 coleman758 is offline
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Join Date: Feb 2011
Location: In a model shop spending more money!
Posts: 2,148
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The two little black rings fit over the input shaft pin.
It stop the pin eating your LI-PO.

A good idea is to follow the TD Tech Tip on building the input CVD If the grub screw is sat in the groove of the pin there is no way it can come out.

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