Left hand mullion shown, right hand opposite, With 4 ½” horizontals, Series 433 triple set installation instructions – EFCO 433 Series User Manual
Page 19
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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
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