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+[title] Removing the Lower Dials parts
+[* black] The parts of the Lower Dials are fixed to the shaft using [http://en.wikipedia.org/wiki/Tapered_pin|tapered pins].
+[* black] The part is placed on the shaft, held in place, and then a hole is drilled through the part and the shaft using a taper pin drill bit.
+[* black] Next, a taper pin is inserted into the hole until it stops, then it is pressed in with an arbor press. The pin is then cut off.
+[* red] Indicated is a hole in the Lower Dials driver gear for its taper pin.
+[* green] In this dial spacer, the taper pin is clearly visible.
+[* orange] Rotating the shaft to the other side, we can see the over-enthusiastic application of a grinding head applied to the other end of the taper pin on the driver gear.
+[* blue] Meanwhile, the taper pin is again clearly visible on the dial spacer.

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