NordicTrack NTB09920 - Manual (Page 7)

Press a 50mm Square Inner Cap (15) into the
end of the Backrest Frame (3),
Attach the Adjustment Arm (8) to the Backrest
Frame (3) with two M10 x 75mm Button Head
Bolts (32), two M10 Washers (24), and two M10
Nylon Locknuts (26).
Attach the two Finger Guards (7) to the Backrest
Frame (3) with four 1VI4 x 16mm Self-tapping
Screws (27),
Attach the Adjustment Pin (18), the Threaded
Collar (29), the Spring (19), and the Backrest
Adjustment Knob (20) to the Frame (1).
Engage the Adjustment Pin (18) into a hole in the
Adjustment Arm (8). Make sure the Adjustment
Arm is under the indicated rod.
Lubricate the M12 x 87mm Button Head Bolt (30)
with grease. Attach the Backrest Frame (3) to the
Frame (1), at the indicated hole, with the Bolt and
an M12 Nylon Locknut (13). Do not overtighten
the Locknut; the Backrest Frame must be able
to pivot easily.
Attach the Backrest (5) to the Backrest Frame (3)
with six M6
X 16mm Screws (22).