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Step 1b
Install the two lower SG20U Bearings for the Y
Carriage Assembly as shown. The assembly order for
the Lower Bearings: M6 x 35 Machine Screw (H95),
SG20U Bearing (H44) hub facing toward the Bearing
Fender Washer, Bearing Fender Washer (H42),
Plywood, Eccentric Washer (H41), Eccentric Spacer
(H40) secured with a M6 Lock Nut (H18).