Hanover HANGHMN-4NAT Assembly Instruction Manual page 6

Frame Assembly & Wall panels Installation
Step 1:
Insert corner posts 3# and 4#
into each corner guard S1 and
fix them with 1 piece F2 screw.
Insert part 1# & 2# into
Step III:
the groove of corner seat S1.
Step II:
Insert corner posts 6# and 7#
into each corner guard S4 and
fix them with 1 piece F2 screw.
6
Step IV:
Insert part 1# & 2# into
the groove of corner seat S4.