Kubota K008-3 Workshop Manual page 324

(12)Attach spacer plate.
(14 Fit O-ring (2 pieces) onto geroler.
Apply grease on O-ring and securely fit.
(16)Insert spacer.
(13)Insert drive.
(15)Install geroler.
Care should be taken on the position of out-
put shaft, geroler and geroler set.
Refer to the figure below.
Teeth of spline
Drive
Front valve groove
Align key groove or spline in front
IV-S-68
Courtesy of Machine.Market