3.Press a 50mm Square Inner Cap (8) into the indi- cated end of the Backrest Frame (3). Press a 50mm x 75mm Angled Inner Cap (25) into the other end of the Backrest Frame.

Attach the Adjustment Arm (5) to the Backrest

 

Frame (3) with two M10 x 75mm

Button Head

Bolts (19), two M10 Washers (22), and two M10

Nylon Locknuts (23).

Do not tighten the

Locknuts yet.

 

 

4.Attach the two Adjustment Pins (16), two Springs (14), two Threaded Collars (15), and two Knobs

(13)to the Frame (1).

Press two 50mm Square Inner Caps (8) into the

Seat Frame (4).

Lubricate the M12 x 87mm

Button Head

Bolt (17)

with grease. Have a second person pull the Knobs

 

(13)out as far as they will go. With the Adjustment Arm (5) under the welded rod, attach the Backrest Frame (3) and the Seat Frame (4) to the Frame (1)

with the Bolt and an M12 Nylon Locknut (24).

Do

not overtighten the Locknut; the Backrest and

 

Seat Frame must be able to pivot easily.

 

Engage the lower Adjustment Pin (16) into the

 

Adjustment Arm (5). Engage the upper

 

Adjustment Pin into the Seat Frame (4).

Make

sure the Pin is in the center of the hole in the

 

Adjustment Arm. Tighten the two M10 Nylon

 

Locknuts (not shown) used in step 3.

 

5.Attach the Backrest (6) to the Backrest Frame (3) with four M6 x 16mm Screws (18).

3

 

 

 

 

8

23

22

3

22

 

 

25

5

19

 

 

4

 

 

 

 

3

 

8

 

4

 

5

8

 

Lubricate

 

24

17

13

 

 

15

14

Welded

 

 

16

Rod

 

 

15

 

1

16

 

14

 

 

 

 

13

5

 

 

 

 

6

 

 

3

 

 

18

18

 

 

 

 

18

 

 

18

7

Page 7
Image 7
NordicTrack NTB12920 user manual Do not tighten, Locknuts yet, Locknuts not shown used in step