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The following is a step-by-step procedure for installation
of the ventilation hood.
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- Uncrate the hood, being very careful not to dent or scratch
the outer surface. Report any damage to the delivering
freight carrier and file a claim if appropriate. Check the
nameplate on the equipment to make certain it meets the
specifications provided by the architect/engineer.
(If discrepancies occur, notify manufacturer immediately.)
Refer to the installation drawing for typical details of
the ventilation system prior to hanging hood.
- Position hood on floor in its approximate final position.
- Determine if modification to roof structure is necessary to
accommodate both the hood weight and hood duct system.
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- Use 1/2" threaded rod to
hang hoods. Drill 9/16" holes in the supporting structure to line up with the
welded-on angle mounting brackets on the hood. (The structural integrity of
the structural support system is the responsibility of the contractor and the
structural engineer.) The hole spacing in the angle should line up with the
angle on top of the hood. Refer to the sketch "Side View".
- If hood has a back plenum,
install it now. See the INSTALLING DROP DOWN PLENUM section and refer to Drop
Down Plenum Installation instructions attached to the product.
- The hood should be hung so
that the bottom front edge of the hood is the required distance above the cooking surface,
unless otherwise specified by local authorities having jurisdiction.
The required distance is printed on the hood label. With the hood well
protected against possible scratching, lift the hood into position using high
lifts or equipment jacks. When the hood is elevated to the proper height,
install 1/2" threaded rod between each mounting bracket on the hood and the
modified support. Secure rods with heavy duty nuts and appropriately sized
washers. Refer to sketch "Side View". Use a nut on top and bottom of
hanging angle.
- Threaded rods should be
1/2" closer to the back wall at the top hanger so as to pull the hood against
the wall. Make sure the hood is level. Secure the hood to the wall and to
each other if a multiple hood system.
- The entire exhaust duct
system must be continuously welded and liquid tight. The duct must be welded to
the hood exhaust collar and the roof curb cap must be welded to the exhaust
duct. (Ductwork installation 'By Others.')
- If hood has enclosure panels, install them now. See the INSTALLING THE
ENCLOSURE PANELS (WRAPPER) section for Installation Instructions and
refer to instructions attached to product.
- Install light bulbs (supplied by others), light globes, and grease filters in the hood.
- Install grease cups on the studs provided.
- Use a stainless steel polish such as "Sheila Shine" to clean
the hood of dust or dirt acquired in transit.
- It is recommended that a protective plastic coating be placed over the
hood until construction is complete to avoid any damage to this
equipment.
- IF HOODS ARE TO BE HUNG BACK TO BACK IN AN ISLAND CONFIGURATION, REFER
TO THE SECTION "INSTALLING CONNECTING HOODS".
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