9
Acorn Nut Grille
The grille is fastened onto threaded studs using acorn nuts, one in each corner (see Fig. 14 below).
The threaded studs protrude from the hood and through the grille to the room side. Acorn nuts and
flat washers are installed on each stud to secure the grille in place.
Fig. 14 Acorn Nut Grille
To remove grille:
1. Loosen and remove the acorn nuts and flat
washers.
2. Carefully remove and lower the grille. To avoid
potential injury, it is strongly recommended
two people perform this task.
To replace grille:
1. Align the holes in the grille with the four
studs.
2. Hold the grille in place and reinstall the flat
washers and acorn nuts. To avoid potential
injury, it is strongly recommended two
people perform this task.
3. Hand-tighten the acorn nuts. Do not use a
wrench or socket, as overtightening may
damage the threaded connection.
Grille Installation and Removal
The standard grille is removable and made of 40% open area 316L Stainless Steel. Swirl and painted
options are also available. Grille mounting can be supplied as standard four (4) corner acorn nut
design or Removable Hinged option with two (2) quarter-turn fasteners and safety cables.
