VEVOR SUO-5529L Manual De Instrucciones página 13

STEP14:
Use one round head screw (#21)and one nut (#22) per stop ring
(#24)and player (#19 or #20) as shown in FIG 11 and 11A.
STEP15:
Attach the two ball return cups (#26)to the side boards (#1)using
one flat head screw (#14)per side.See FIG.12 and 12A.
11