EFCO 8800 Installation Instructions - Manual (Page 38)

EFCO 2009 Page 38
Series 8700 / 8800 Unitized Curtain Wall Installation Instructions
Section 8 - Setting Units at Dynamic Starter Sills
8. Compare the jamb unit to established bench marks and move the unit side to side to position it laterally to the required location.
9. Adjust the unit for plumb, parallel to the plane of the wall, by sliding the slab anchor forward or backward until the unit is plumb. See Figure 82.
10. Rotate the serrated washers where the serrations align with the serrations in the anchor and secure the slab anchor’s anchor bolts.
11. Tighten the jack bolts of the mullion anchors just tight enough so that the shims can be removed and the unit stays in the nominal position. See Figure 79 on
page 37. Remove the shims between the sill and the starter sill that were applied in step 5.
12. Set the unit to the required elevation height and level it by turning the jack bolt at each mullion anchor clockwise to raise, or counterclockwise to lower the unit
in to the final position.
13. Match drill the slab anchors through the hook anchors on both sides of the unit, and install the pinning screws to lock the frame unit into the final position.
See Figure 83.
Figure 82
Hook Anchor
Figure 83
Jamb Unit
Once the units are set and final
adjustments are made, turn the
washer so that the serrations
align and secure anchor bolts.
17D3 Serrated
Washers
17D4 Slab
Anchor
17D4 Slab
Anchor
Hook Anchor
Turn the serrated washer (17D3)
so that the teeth don't interlock
to simplify anchor adjustments.
Dead Load Anchor
Adjust the jack bolt as required
for the unit to set hard on the
shim pack at the stack joint
below. Rotate the bolt clockwise
to raise or counterclockwise to
lower the unit.
Once final adjustments have been
made, match drill the hook anchor
and install the pin screw to lock the
lateral position of the frame unit.