Greenheck Fabra Hood, Multi Section User Manual

Document #471324

Fabra Hood • Form G

®

Throat length greater than 72 inches

Multi-Section with Filters

Assembly Instructions

STEP 1

Open the shipping crates and separate the parts
according to the size of the unit. (See Figure No. 1 on
attached "PARTS LIST")

STEP 2

Place the two BASE ENDS, BASE SIDES and
INTERMEDIATE HOOD SUPPORT ASSEMBLY in their
approximate relationship to each other. (See Figure 2)
Fasten together the BASE ENDS to the BASE SIDES
using three (3) 1⁄4-20 fasteners per corner for 5 inch high
base and four (4) 1⁄4-20 fasteners per corner for 12 inch
high base. Note: Fasteners should be hand tightened
only until step 4. On some units where the difference

Figure 2

between the hood width and throat width is greater than
32 inches, a REINFORCING PLATE is required in the
corners of the BASE (See Figure 2, DETAIL "A") Now
bolt the BASE SIDES to the INTERMEDIATE ASSEMBLY,
using eight (8) 1⁄4-20 fasteners per INTERMEDIATE
ASSEMBLY for 5 inch base and ten (10) 1⁄4-20 fasteners
for 12 inch high base.

Fabra Hood • Form G

1

STEP 3

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

Figure 3

STEP 4

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.

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'')

STEP 5

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

Figure 4

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.

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Fabra Hood • Form G