Keys Fitness Health Trainer 440 Upright Bike HT440U Owner's Manual page 8

Assembly
Figure 3
FIGURE 3
Step 1:
Assemble the seat (51) to the
49
seat post (48) using nut (50)
and washers (49,67).
67
51
50
50
67
49
48
65
64
Figure 4
FIGURE 4
Step 1:
Take off the seat knob (46),
and then insert the seat post
(48) into the main frame (1),
48
then screw the seat knob (46)
to fasten the seat post (48).
46
1