EFCO 955 Series - Manual (Page 29)

for 1/4" diameter fasteners. Shim and install the anchor. See detail #33 below.
This will be the center line of the sill anchor prep. See detail #32 below.
Detail #32
ROUGH OPENING WIDTH
EXTERIOR FACE
Mark the center lines of the frame mullions on the rough opening. Measure
terior line. This will be the center line of the anchor fastener. Drill the holes
over from the mullion and jamb centers 6" and 16" O.C. and mark the in-
dimension, snap another line 3 1/8" back toward the interior of the opening.
HORIZONTAL SILL ANCHOR INSTALLATION
SECTION VI - FRAME INSTALLATION
At both ends of the rough opening, mark where the face of the frame is
intended to be located. Snap a chalk line from both marks. From this
AND FROM JAMBS
OF VERT. MULLION
TYPICAL BOTH SIDES
OF SILL ANCHOR
CENTER LINE
CENTER
MULLION
CENTER
MULLION
6"
6"
6"
STEP #37
R.O. HEIGHT
STEP #36
Detail #33
6"
6"
FRAME
FACE OF OF OPENING
{FS99}
3 1/8"
1/2" SHIM
CENTER LINE
OF ANCHOR
CONT.
PAGE #27
JDA 9/2000