EFCO WV410 - Manual (Page 18)

EFCO CORPORATION 2/2014 PART NO. Y007 Page 18 of 21
WV410 WINDOW - INSTALLATION INSTRUCTIONS
Section VIII – Window Installation
C. Ribbon Window Installation
Step 3
Apply sealant to both ends of the female half of the mullion and apply to the interlock of the
WV410 frame. See Figure 20 on page 15.
Step 4
Install one (1) K320 shear block and two (2) MRF7 screws at the top and bottom horizontal.
NOTE: The screw holes must be predrilled and tapped for screw insertion. Due to the available
space within the mullion, a long handled screwdriver is recommended. See Figure 22.
DETAIL J DETAIL J
J
Step 5
Insert one (1) SPC6 into the shear block at the top and bottom of the mullion half to secure. See
Figure 15 on Page 13.
Step 6
Apply sealant to both ends of the male half 9837 of the mullion, snap into the female portion, and
fasten with (1) SPC6 at each end of the shear block. See Figure 15 on Page 13.
Step 7
Seal around the top and bottom of the mullion and the window interlock to receive the next
window. See Figure 16 on Page 14.
Figure 22
* Drawings on this page are not to scale.