The projection of the Drive Plate should be engaged with the corresponding part of the slider
INSTALLING THE DISC RACK
1
The hook of the Mecha Base should should be on the top of the Disc Rack
Loading Mechanism Assy
Disc Rack
Gear
Place the Disc Rack below the hook of the Mecha Base, then let the center hole of the Disc Rack pass through the Center Boss. Mecha Base Center Boss of the Mecha Base