20. Attach the Butterfly Frame (7) to the Top Frame
(6) with two M10 x 93mm Bolts (63), two M10
Washers (88), and two M10 Locknuts (74). Do
not fully tighten the Locknuts yet.
Insert a Ball Detention Assembly (96) into the
Left and Right Butterfly Arms (15, 16).
20
16
88
96
63
21. Finish attaching the Butterfly Frame (7) to the
Top Frame (6) with two M10 x 117mm Bolts
(64), four M10 Washers (88), and two M10
Locknuts (74).
See step 20. Tighten the M10 Locknuts (74).
21
6
88
16