STEP 6:
a
b
STEP 7:
Attach back support (10) to left
and right vertical supports (1)
a. with M10x35 screws + flat
washers.
a
b
b. with M10x45 screws, flat
washers (both side, 1 x big & 1
x small) and M10 nuts.
Remove the screw of the back-
rest (11), attach the back rest to
the back support (10) and fx it
again with the back rest screw.
30