EFCO 433 Series - Manual (Page 19)

June 2012 PART NO. Y017 Page 19 of 90
Series 433 Triple Set Installation Instructions
SECTION III: Fabrication
C. Drilling Template Center-Set Screw Spline 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 DJ25. Use .221 dia. (#2) 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)
Inside Glazed Outside Glazed
OFF SET OFF SET
CE
N T
E R
S
E
T OF
F SET OF
F SET
CENTER
SET
OFF S
E T
OF
F SET
CENTE
R SET
OFF SET OF
F SET
CENT
ER SET
OFF S
E T
OF
F SET
CENTE
R
SET
OFF S
E T
OF
F SET
CENTE
R SET