EFCO 8800 Series Assembly Instructions Vol.3 - Manual (Page 22)

EFCO 2009 Page 22
Series 8700 / 8800 Unitized Curtain Wall Installation Instructions - Volume 3
Unit Corner
Mullion
Section 8 - B. Inside 90° Corner Unit Frame Assembly
32. Using an approved solvent or cleaner, clean the sealant contact surfaces of the corner mullion and 17E9 adapter.
33. Apply continuous 1/8” diameter beads of sealant in the adapter reglets for the full height of each D.L.O. at the corner mullion. Seal across the corner mullion
at each end of where the adapters will be placed as shown in Figure 59. Butt seal the ends of the adapters with sealant prior to setting them into the opening.
34. Insert the 17E9 adapters into the reglets at the corner mullion and match drill the corner mullion through the holes provided in the adapter. Use a #33 drill
(.113 diameter.)
35. Attach the adapters with SFC7 (#6—18 x 3/8” PL-FH-SMS 18-8 A).
Figure 59
Intermediate
Horizontal
Sealed ends of
horizontal (see
Figure 47 on page
Seal across the corner
mullion at the horizontal
locations at each end of
the adapter as shown.
Apply continuous beads
of sealant in the adapter
reglets as shown.
Apply continuous beads
of sealant in the adapter
reglets as shown.
Figure 60
Figure 61
Figure 62
Insert adapters into the
reglets in the corner
mullion and match drill.
Attach adapters with
SFC7 fasteners.
Butt seal each end of
the adapters prior to
setting into opening.