Step 2
Assembling upper portion of ladder rack.
A. Assemble cross bar(2) and support Bar (7) to vertical bar (3)
using 3 sets of bolt (4), washer (5) and lock nut (6) . Show as
figure 3.
B. Slide extended cross bar (1) into end of cross bar (2) and secure
in place with bolt(4), washer(5), and lock nut(6) at suitable
position, the extended cross bar (1) length can be
adjustable.Show as figure 4.