Keys Fitness ST-IB Owner's Manual page 10

Assembly
Step 8
Attach the tether on the seat adjustment pin (40) to the seat frame (10) using an M4X16mm
screw (57).
Attach the seat pad (21) to the seat frame (10) with four M6X20mm screws (41).
Figure 8 21
57
1 0
40
41
41
Step 9
Attach the backrest pad (22) to the two backrest frames (17) with four M6X40mm screws (48)
and four M6 washers (54).
Note: Do not fully tighten the screws yet.
22
Figure 9
54
54
48
54
54
17
48
:
NOTE Hand tighten bolts and nylon nuts until machine is fully assembled.
10