EFCO S5500 Advanced - Manual (Page 35)

EFCO CORPORATION 6/2012 PART NO. Y557 35
Series 5500 Advanced & Alternate Installation Instructions
Section VI: Expansion Mullions
STEP #1 (Continued) PREPARE EXPANSION MULLIONS
When vertical D.L.O.s exceed 48”, mullion clips may be required at the center of the lite.
Contact EFCO or refer to the approved shop drawings for more information.
A. Slide the mullion clips into the grooves of the mullion as shown below.
B. Crimp the legs at each end of the mullion clip with a punch or similar tool to lock it in
place. Refer to the approved shop drawings for more information.
FEMALE EXPANSION
MULLION
MULLION CLIP X
4” LONG
Crimp legs at
top and bottom
of mullion clip.