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Puch two O rings 591 on each spindle
bush 586...
... and press these units in teh main rotor
hub D52. We do not recommend to lubri-
cat6e the O-rings. If you do it please use
only a very bit of lubrication on the outside
of the O-rings.
Push the feather spindle 521 thru the
spindle bushes 586 and place them about
centered.
Add a washer shim 8x14x0.5 047, a ball
bearing 8x16x5 071 and a threaded bush
509.