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Step 5 Install the two Upper SG20U Bearing Assemblies for
the Gantry Side Frame Assembly. The assembly
order for the Upper Bearing Mounts: M6 x 35
Machine Screw (H95), SG20U Bearing (H44) (with
hub facing toward the Bearing Fender Washer),
Bearing Fender Washer (H42), Plywood, Bearing
Fender Washer (H42) secured with a M6 Lock Nut
(H18) as shown.
Step 6 Attach the upper SG20U Bearing Assembly to each
of the Gantry Side Assemblies