Steps 1-4
The following assembly steps show two #10-32 bolts being used to mount the Tube Plugs. Additional bolts can be added and found here.
Step 1
Install a 1" x 1" Tube Plug into each end of the Horizontal Support Rails, secure them with #10-32 x 3/8"L bolts as shown below.
The Tube Plug may require light force to install. In such cases, a dead blow hammer or soft mallet can be used to gently seat the assembly into the tube.
Step 2
Install a 1" x 1" Tube Plug into each end of the Vertical Rails, secure them with #10-32 x 3/8"L bolts as shown below.
Only the Vertical Rails without pre-installed Rivet Nuts will have Tube Plugs at each end.
The Tube Plug may require light force to install. In such cases, a dead blow hammer or soft mallet can be used to gently seat the assembly into the tube.
Step 3
Install a 1" x 1" Tube Plug into the end of the remaining Vertical Rails, secure them with #10-32 x 3/8"L bolts as shown below.
Only the Vertical Rails with the pre-installed Rivet Nuts will have a Tube Plug on one end.
The Tube Plug may require light force to install. In such cases, a dead blow hammer or soft mallet can be used to gently seat the assembly into the tube.
Step 4
Combine the Vertical Rails from Steps 2 & 3 using the Horizontal Support Rail From Step 1, then secure them with #10-32 x 3/8"L bolts as shown below.
Repeat this for all of the Vertical Rails.
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