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Step 2 Attaching the Y Carriage to the Gantry Assembly.
Step 2a Insert the upper Rail through the Gantry Side
Assembly. Rotate the Rail as it passes through
Gantry Rail Supports and is fully seated in the
opposite Gantry Side Assembly.
Step 2b Insert the lower Rail through the Gantry Side
Assembly, across the Rail Supports but only
partially across the Gantry Assembly. Next,
hang the upper SG20U Bearings of the Y
Carriage Assembly on the Upper Rail. Then
finish threading the Rail across the top of both
Lower SG20U Bearings on the Y Carriage
Assembly, through the remaining Rail
supports and seat the Rail in the opposite
Gantry Side Assembly.