9
8. Attach the Top Cover (23) and the Bottom
Cover (24) to the Center Frame (7) with two
M4 x 15mm Screws (58) and an M4 x 30mm
Screw (63).
Attach the Center Frame Extension (6) to the
Center Frame (7) with two M10 x 53mm
Button Bolts (49) and two M10 Nylon Locknuts
(65).
8
7
58
58
63
23
24
6
49
65
9. Orient the Headrest Frame (9) and the
Backrest Frame (8) as shown. Attach the
Headrest Frame to the Backrest Frame with
two M10 x 16mm Button Screws (54).
9
9
8
54
54
10. Apply a small amount of grease to an M10 x
95mm Button Bolt (73).
Pull the Long Adjustment Knob (37) out as far
as it will go. Insert the bracket on the Backrest
Frame (8) into the Top Cover (23). Next, attach
the Backrest Frame to the Center Frame
Extension (6) with the M10 x 95mm Button
Bolt (73) and an M10 Nylon Locknut (65).
Then, engage the Long Adjustment Knob into
one of the holes in the bracket.
See the inset drawing. Attach an M8 x 16mm
Button Bolt (61) and an M8 Nylon Locknut (72)
to the hole in the end of the bracket on the
Backrest Frame (8).
10
6
23
Bracket
65
73
Grease
8
37
61
8
72