B
C
B
C
B
C
1
Step 2:
Insert the back frame
to seat frame, then put
the washer "B"
and nut "C".
A
A
Step 1:
Tighten 2 screws "A" into each back
frame about 1cm.
D
Step 3:
Tighten the nuts with
wrench "D".
4 back frames and seat frames
are assembled as above steps.
