Uberhaus 38115042 Instructions De Montage page 6

Step 4:
（13）Connect seat frame adjusting bar (N) and back frame (L) with bolts (MM), nuts (GG). (Fig13)
（14）Lay the adjustable support of the adjusting bar (N) on the back supporter (J). (Fig14)
（15）Hang one of the side of suspender (O) onto the hooks of arm left (M1) and arm right (M2). (Fig15)