1. Apply polyurethane caulking to the ange of the hood.
2. Align the hood over the opening. Check for adequate
clearance to doors and other openings on the air-handling
unit.
3. Attach the hood to the unit using sheet metal screws
through the unit casing. On openings requiring multiple
hoods, repeat this procedure for each of the hoods.
4. Carefully, remove excess polyurethane caulking from
around the ange of the hood.
POLYURETHANE
CAULKING
SHEET METAL
SCREWS
HOODS
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