Step 8) heavy-duty anchor installation, Includes offset and center-set glazing), Offset mullions center-set mullions – EFCO 433 Series User Manual
Page 55: Series 433 triple set installation instructions
![background image](/manuals/636023/55/background.png)
June 2012
PART NO. Y017
Page 55 of 90
Series 433 Triple Set Installation Instructions
SECTION VI: Subsill Fabrication and Installation
(Includes Offset and Center-Set Glazing)
Step 8) Heavy-Duty Anchor Installation
Install required vertical mullion
anchors as shown in Figures 14
through 18. Anchors should be
installed on the vertical mullions and
anchored thru the subsill after the
frame unit is installed in the
opening. HD anchors will not work
with 8349 or 8357 mullions.
5/16"
27/64"
3/16"
51/64"
23/64"
7/8"
29/64"
21/64"
27/64"
7/16"
K992
K992
K473
K473
SUBSILL
2S44
INSIDE SET GLASS
OUTSIDE SET GLASS
CENTER-SET GLASS
[FIG. 16]
[FIG. 18]
NOTE: K992 COMES WITH TWO ANGLE
BRACKETS AND TWO FASTENERS. K473
COMES WITH ONE ANGLE BRACKET AND
TWO FASTENERS.
1 1/8" ± 1/16"
1 1/8" ± 1/16"
7/8"
OFFSET MULLIONS
CENTER-SET MULLIONS
1 5/16"
3 5/8"
[FIG. 15]
[FIG. 14]
[FIG. 17]
1 1/8" ± 1/16"
3 5/16"
SUBSILL
2S44
SUBSILL
2S44
K473
K992
Do not use 4471 Subsill
with heavy duty anchors.
These recommendations are for general erection procedures only. For actual job
conditions, see the details on the shop drawings. For perimeter anchor type and
spacing, refer to the approved shop drawings or consult the project design professional.