Pro-Form 831.21942.1 User Manual page 7

3. Tip: It may be helpful to loosen the four M6
x 36mm Screws (42) in the Seat Frame (7)
before you begin this step. Retighten the
Screws after you complete this step.
If the Adjustment Knob (14) is not attached
to the Seat Carriage (3), partially tighten the
Adjustment Knob into the Seat Carriage.
Orient the Seat Carriage (3), the Backrest Frame
(5), and the Seat Frame (7) as shown.
Set the Backrest Frame (5) on the Seat Frame
(7), and then slide the Seat Carriage (3) onto the
Backrest Frame.
Attach the Seat Carriage (3) and the Backrest
Frame (5) to the Seat Frame (7) with two M8 x
40mm Screws (58), an M8 x 120mm Bolt (61),
and an M8 Jam Nut (62).
4. Orient the Seat Carriage (3) as shown. Loosen
the Adjustment Knob (14) if necessary. Then,
slide the Seat Carriage onto the Carriage Rail
(9).
5. Tighten the Adjustment Knob (14).
Attach a Carriage Bumper (24) to the underside
of the Carriage Rail (9) with an M4 x 16mm
Screw (56).
3
3
5
58
62
7
4
14
9
5
14
7
14
42
58
61
3
9
24
56