LifeSpan R3i Owner's Manual page 18

Step 8: Seat Bottom Assembly
A. Place seat bottom (9) on the seat mount (14).
B. Align the four inner holes on the seat bottom (9) with four holes on the seat mount (14).
For a larger person use the four front holes and for a smaller person use the rear holes in the
seat mount (14).
9
C. Install four M8 bolts (17) through the seat mount (14) into the seat bottom (9).
Be sure to install all four bolts before tightening.
18
inner holes
9
14
rear
front
14
17