Yamato HCM 650 Manual Del Usuario página 26

4. Put the Rubber Gasket (23) to the Lower Drum (22), making sure the holes
in both align. The Gasket must be flat on the Lower Drum to ensure a
proper seal. Figure 4
5. Place the Upper Drum (25) onto the Lower Drum (22), making sure the
mounting holes align in both;
Fasten together using Bolts M8x16 (26), Spring Washers (15) and Flat
washers (16). Figure 5
Bolts(26)
Spring washers(15)
Flat washers(16)
Rubber Gasket(23)
Upper Drum(25)
Lower Drum(22)