EFCO 403 Series Storefront - Manual (Page 49)

EFCO CORPORATION 1/2013 PART NO. Y001 Page 49 of 94
Series 401,402, & 403 Installation Instructions
w/ L101 STEEL
9209
w/ L100 STEEL
(ALUMINUM EQUIVALENT)
COMBINED IXX = 6.870
SCREW APPLIED
TRANSOM GLAZING
COMBINED IXX = 10.059
(ALUMINUM EQUIVALENT)
9212 / 9221
w/ L102 STEEL
w/ L101 STEEL
9309 / 9311
w/ L100 STEEL
9102
Fig. # 25
(ALUMINUM EQUIVALENT) (ALUMINUM EQUIVALENT)
(ALUMINUM EQUIVALENT)
COMBINED IXX = 6.890 COMBINED IXX = 6.586
COMBINED IXX = 6.365
L-100 FOR TUBULAR MULLIONS
L-101 FOR EXPANSION MULLIONS
STEP 2)
STEP 3)
Cut the steel reinforcing to mullion length minus 3" and set flush
with the bottom of the vertical. Paint cut ends to prevent rust.
Insert the steel into the mullion, then drill through the deep pocket
of the mullion and the steel at 16" O.C. - maximum spacing.
Tap the holes in the steel to accept # 12-24 machine screws.
SECTION III: E. STEEL REINFORCING
DRILL AND CLEAR HOLE FOR
OR AS SPECIFIED ON SHOP DRAWING.
# 12-24 X 3/8" F.H.M.S. AT 16" O.C.
STEP 1)
9103 / 9104
Drill a clear hole in the mullion with a Ø.221 (#2) drill bit. Install
the steel with M109 screws (#12-24X3/8" F.H.M.S.).
NOTE: The flat head does not countersink into the mullion.