Step 3. Identify one upper rear support, one upper center support, and one upper front support (labeled
3, 4, 5 in Figure 39) and connect the to the top section.
Step 4. Identify the horizontal supports (each section is capped) and assemble them by screwing the
pipe section (labeled no. 4 in Figure 40) into the pipe tee of the main horizontal support (labeled no. 6)
as shown in Figure 40.
Figure 40. Assembling horizontal and vertical supports.
Step 5. Connect the three lower vertical supports (labeled no. 8 in Figure 40) to the three horizontal
Step 6. Connect the three lower sections to the upper section. Stand the assembly upright and rotate the
three horizontal supports 90 degrees, as illustrated in Figure 41.