EFCO 8800 Series Assembly Instructions Vol.5 - Manual (Page 41)

EFCO 2009 Page 41
Series 8700 / 8800 Unitized Curtain Wall Assembly Instructions - Volume 5
Section 24 - Captured Vent Unit Glazing at Fixed Horizontal : C. Adapter Installation
Figure 65
HEAD SILL
12. Slide WS00 vent surround gasket into the 17A2 glazing adapter, and apply the adapter to the vent head. See Figures 65 and 66.
13. Insert HS31 setting blocks at quarter points, or per the approved shop drawings, between the glazing and the 17A2 adapter at the vent head. See Figure 66.
14. Apply the 17L2 concealed vent cover to the 17A2 glazing adapter at the vent head. See Figures 65 and 66.
15. Apply the 17A2 glazing adapter to the vent sill. See Figures 62 and 65.
16. Apply the 17L3 glazing bead to the 17A2 adapter at the vent sill. See Figures 65 and 68.
17. Drive in WC22 wedge gaskets as shown in Figure 66 and 68. The gaskets should be applied starting in the center of the D.L.O., and then working from the
ends, work the gaskets in place to the center of the lite.
18. Carefully and thoroughly seal each end of the adapter at the vent sill, where it meets the glazing pocket. Fill the voids behind the vertical cover, around the
end of the adapter, and back to the face of the horizontal as shown in Figure 67. Note: These seals are only required at the sill of the vent opening.
Apply the 17A2 adapter to
the vent sill, 17L3 glazing
bead into the adapter, then
drive in WC22 wedge gasket.
Slide WS00 gasket into
17A2 adapter, and apply the
adapter to the vent head.
Figure 66 - Vent Head Figure 68 - Vent Sill
WC22 Wedge
Gasket
WC22 Wedge
Gasket
17A2 Glazing
Adapter
WS00 Vent
Surround
Gasket
17L2
Concealed
Vent Cover
(2) HS31
Setting Blocks
17A2 Glazing
Adapter
17L3 Glazing
Bead
Figure 67
Apply (2) HS31
Setting Blocks
Fill the voids behind the
vertical covers, around
the ends of the adapters,
and back to the face of
the horizontals.
Note: Apply this seal on
each end of the adapter
at the vent sill only.
Apply the 17L2 concealed
vent cover to the 17A2
glazing adapter and drive
in WC22 wedge gasket.
JAMB
SILL