three plates.
2. Fix hinge(No.5) with front plate by M4*10 screw(No.3)and nut (No.4).
3. Connect sand funnel (No.12) and legs(No.13) with cabinet assembly by M6*16
(No.1),washer(No.2) and nut (No.14)
4. Put the black funnel cover on the funnel bottom.
Note:Please do not tight each when assembly, make all plate are in right place.