Assembly step 2
A. Attach the adjustment lever to the seat carrier. Make sure the holes are aligned.
B. Then use the M6 hex screw, M6 split washer, M8 flat washer to lock them up. Then tighten them with the
S4 Allen Wrench.
Assembly step 3
A. Attach the backrest frame onto the seat carrier. Make sure the holes are aligned.
B. Insert the M8(1) inner hex screw, M8(2) inner hex screw into the holes and lock both parts up. Use the S5
Allen Wernch to lock them up.