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Figure 6. Mounting Process – Step 6
Fix one mounting bracket “H” to each vertical support and intermediate support using a hexagon
socket screw 1/4 UNC x 1/2", a 1/4 UNC nut and a washer (see figure above). Important: With multiple
intermediate supports all mounting brackets must be mounted to the supports on the same side. The
mounting brackets fixed to the outermost supports must be mounted always outside (between
duct wall and support) and point inward.
Finally align the supports, then fix the mounting brackets to the duct ceiling using two self-tapping
screws 1/4 UNC x 3/4" each.