Step 3:
Put bolt (AA) through spring washer
(BB), flat washer (CC), attach armrest (B, C) to
back (A) and hex key (MM). Do not lock tightly.
Step 2:
Attach armrest (B, C) to
seat board
(D) by bolt (AA), spring
washer (BB), flat washer (CC) and hex key (MM). Put on cap (KK) after
locking all bolts tightly.