EFCO 433 Series - Manual (Page 21)

June 2012 PART NO. Y017 Page 21 of 90
Series 433 Triple Set Installation Instructions
SECTION III: Fabrication
Inside Glazed Outside Glazed
D. Drilling Template Center-Set Shear Block Verticals (Center-Set Mullion)
with 4 ½” Horizontals
Left Hand Mullion Shown, Right Hand Opposite
Use the exterior edge of the vertical to align Drill Jig DJ23. Use .182 dia. (#14) drill at
darkened areas only.
These preps work for both inside and outside glazed versions.
Center-Set Mullion
(Reverse Drill Jig for
the opposite side)