Figure 3 figure 4 – Greenheck Fabra Hood, Single Section with Filters, throat length less than or equal to 72 inches (471322) User Manual
Page 2

Step 3
Step 4
2
Fabra Hood • Form F
Step 5
Figure 3 Fabra hood Form F 471322
Figure 4 Fabra hood Form F 471322
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 came
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)
Figure 3
Figure 4