Greenheck FGI Assembly Instructions Manual page 6

Step 4 – Tighten fasteners and caulk all inside corners
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.
Figure 4 Fabra hood Form F 471322
Step 5 – Attach FILTER CHANNELS to HOOD SUPPORT ANGLE
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 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.
FILTER SIDE CHANNEL
BASE ASSEMBLY
Figure 4
Step 6 – Attach END ANGLE to the ends of SIDE CHANNELS
Attach the end angle (hand tight) to the ends of the side filter channel assemblies and side channels using four
5/16 x 1 weldstud fasteners per end angle, see Figure 5. In addition, units with throat widths greater than 36 inches
Figure 5 Fabra hood Form F 471322
will require filter end channel assemblies, see Figure 5, Detail D. Fasten filter end channel assembly (hand tight) to
the end closure angle and end angle, using two 5/16 x 1 weldstud fasteners per assembly.
FILTER SIDE CHANNEL
END ANGLE
FILTER SIDE CHANNEL
ASSEMBLY
Figure 5
Step – 7 Install FILTERS and tighten fasteners
Slide filters in from both ends of unit. Tighten all filter channel and end angle fasteners only after filters are in place.
6 Fabra Hood • Form F
FILTER SIDE CHANNEL
ASSEMBLY
END CLOSURE ANGLE
HOOD SUPPORT
ANGLE
FILTER SIDE CHANNEL
ASSEMBLY
END ANGLE
FILTER SIDE CHANNEL
END ANGLE
DETAIL D
END CLOSURE ANGLE
FILTER END CHANNEL
ASSEMBLY
®