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SECTION III - SCREW SPLINE (Continued) Step C: Apply sealant to the upstanding leg on the flashing. (See FIG. 4). Step 0: If there is an entrance, the entrance frame and attached sidelight unit(s) should be installed first being careful to locate it accurately in the opening. Fasten to surround through the glazing pocket and threshold using appropriate fasteners. Step E: Install the framing units starting at the entrance and working towards the end(s). If there is no entrance start at one jamb then work toward the other. Step F: The first unit should be attached to the surround at the head, sill, and jamb. (See STEP I). The remaining units are installed by snapping together the female mullion half with the male half of the adjacent unit. (See FIG. 7). FIG. 7 /00 ~~---- t.ij !l NOTE: MULLIONS ARE NOT DESIGNED TO BE UNSNAPPED AFTER INSTALLATION. NOTE: APPLY SEALANT TO THE ENDS OF THE HORIZONTAL MEMBERS TO ASSURE A SEAL AT THEIR POINT OF CONTACT WITH THE FEMALE MULLION HALF. Step G: The last unit should be pivoted into position using the last installed mullion half as a pivot point. With narrow units (under 4') the last two units should be snapped together and installed as a single unit. FIG. 8 // \ [8 / ;, / /' ~ // Step H: By snapping mullion halves together as frame is assembled, frame can be installed as one unit. Guide horizontals over shear blocks on door jamb and install unit into place (FIG. 8). t. Stept: Insert shims as needed at head and jambs and anchor through the glass pocket. (See FIG. 6). Fasteners should be within 6" (152mm) of mullions on each side and 24" (609mm) a.c. in between. Countersink all screw heads. Seal fasteners at sill. (See FIG. 9). NOTE: If heavy mullion or steel reinforcing is used, extra perimeter fasteners may be required to handle larger loads. Consult Area Application Engineering Dept. 10 . . IJ)