Figure 3 figure 4 – Greenheck Fabra Hood, Multi Section with Filters, throat length greater than 72 inches (471324) User Manual
Page 2

Step 3
Step 5
2
Fabra Hood • Form G
Step 4
Figure 3 Fabra hood Form G 471324
Figure 4 Fabra hood Form G 471324
Figure 3
Figure 4
Attach the HOOD SUPPORT ANGLE to the BASE
ASSEMBLY, (hand tight) using four (4)
1
⁄
4
-20 fasteners
per angle. (See Figure 3, DETAIL "B") On some units two
(2) DIAGONAL BRACES come pre-attached to
the HOOD SUPPORT ANGLE. Fasten the loose end
of the DIAGONAL BRACES to the BASE ASSEMBLY
using one (1)
3
⁄
8
-16 FASTENER PER diagonal brace.
(See Figure 3, DETAIL "C'')
Tighten all BASE, SIDE and BASE END fasteners. Caulk
all inside corners where the base sections come together.
At this point, the base may be lifted onto the roof curb
before proceeding with further assembly.
Attach the FILTER SIDE CHANNEL (hand tight) to
the HOOD SUPPORT ANGLE and the FILTER SIDE
CHANNEL ASSEMBLY (hand tight) to the BASE SIDE
using two (2)
5
⁄
16
X 1 inch weldstud fasteners per
channel. (See Figure 4) Sandwich the END CLOSURE
ANGLE between the BASE END and the SIDE FILTER
CHANNEL ASSEMBLY. (See Figure 4) Fasten END
CLOSURE ANGLE down with
5
⁄
16
X 1 inch weldstuds
at both ends.