Step 4:
Remove the Bolt (
67
), Washer (
64
) and Spring Washer (
49
) from the Seat (
110
) using the
Spanner (
A
).
Fix the Seat (
110
) to Seat Supporting Board L (
4
) and Seat Supporting Board R (
3
) with the
Bolt (
67
), Washer (
64
) and Spring Washer (
49
).