After fitting it to the Pitch Platform it should be easy to fit it in the
Roll Platform. Just lower the seat and it will align perfectly.
Step 15.: Fasten the seat to the Pitch Platform with screws
Fasten the seat to the Pitch Platform with 3 x M6X10 cylindrical
head screws around the point where you attached the two parts.
Step 16.: Fasten the seat to the Roll Platform with screws
Fasten the seat to the Roll Platform with 8 x M6X20 countersunk
head screws.