Greenheck LSF (458066) - Manual (Page 6)

6 Model LSF Assembly
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Step 10
Set one (1) end panel in place on the end of the
support frame.
Replace the lifting lugs, reusing the hardware
to fasten the panel in place. Do not tighten the
hardware completely until instructed to do so. Use
a 3/8 inch-16x1 inch thread cutting screw in the
center of the end base panel between the lifting
lugs. Do not tighten completely Repeat Step 10 for
the other end base panel.
Step 11
Install reinforcing angle on the two (2) side base
panels. Use #12 x 5/8 inch stainless sheet metal
screws for each reinforcing angle.
Step 12
Place the side base panel with reinforcing angle
on the duct adapter and fasten at both ends using
#12 x 5/8 inch stainless metal screws along both
vertical edges. Repeat Step 12 for the other side
base panel.
Step 13
Install corner gussets on the surface of the duct
adapter and fasten to the bottom corners of the
base panels, using four (4) #12 x 5/8 inch stainless
sheet metal screws in each gusset.
Step 14
Tighten the two (2) bolts in each lifting lug as well
as the one in the center of the base panel that
were not tightened in Step 10.