1
(X2)
D
C
A*2
B*2
C*2
D*2
M6*20
(X2)
A
(X2)
B
(X2)
3
2
B
A
C
1. Use half-round head hex screw, spring gaskets and gaskets to assemble the backrest
and back frame.
snap the backrest into the slot of back frame
fix the back frame and backrest's adjuster with the
back frame