Secure seat panel (C) to assembled sofa arms
(A1.A2) with 4 washers (D) and 4 screws (F) by
using allen wrech (G). Do not fully tighen now.
Secure seat panel (C) to assembled sofa back (B)
with 4 washers (D) and 4 screws (F) by using allen
wrench (G). Verify the alignment and adjust, then
tighten all the screws.
STEP 3
STEP 4