EFCO 525 Series - Manual (Page 12)

SECTION III-FABRICATION C - DRILLING TEMPLATE
SHEAR BLOCK HORIZONTALS
[FIG. 6]
[FIG. 5]
(STEP 2)
(STEP 1)
HORIZ. AND SILL
PREP FOR FRAME
(CONT.)
4475
SILL
EXTERIOR
4491
HORIZ.
4491 HORIZ. SHOWN
4475 SILL SIM.
EXTERIOR
PAGE 10
USE THE EXTERIOR EDGE AND EACH END OF THE HORIZONTAL OR
SILL TO ALIGN DRILL JIG DJ19. USE .228 DIA. (#I) DRILL AT DARKENED
AREAS ONLY FOR STEP 1.
AFTER STEP 1 IS COMPLETE, PROCEED TO STEP 2. ROTATE THE
MATERIAL, AND USE THE EDGE OF THE GLAZING POCKET AND THE
END OF EACH HORIZ. OR SILL TO ALIGN DRILL JIG DJ19. USE A .228
DIA. (#I) DRILL AT DARKENED AREAS ONLY FOR STEP 2.
1.054"
1.000"
.625"
1.000"
525 IMPACT DPS 1/2004
1.054"
1.000"
1.054"
1.000"
.625"