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GT 300-350-8300-8350 Opus Overhead Concealed Swing Door Installation Manual
www.NabcoEntrances.com
P/N C-00175
Rev 5-23-18
6. Secure the Pivot Cover with (1) 1/2-20 x 7/16 inch Flat Head Machine Screw.
DN 0489
1/4”-20 x 7/16”
Flat Head Screw
Pivot Cover
Note:
Cover Plate not used
on Bi-Fold Doors
Figure 33 Install Pivot Cover onto Floor Pivot
SECTION 9 .1: Lay down the Saddle Threshold over the Floor Pivot
Figure 34 Saddle Track installed on Surface only
DN 0751
Header
4-7/8”
4-1/2”
Jamb Tube
Saddle Threshold
5”
1. Obtain the Saddle Threshold. The Pivot Side of the Saddle Threshold has a cut out for the Pivot Plate. Place the Pivot Side of
the Saddle Threshold over the Floor Pivot Assembly.Ensure the Saddle Track is centered to the Strike Jamb and square.
Figure 35 Place Saddle Track over Floor Pivot
DN 0754
Saddle Track
Cut Out
(Hinge Side of Saddle Track)
Pivot Sha
Center Mark of Hinge Jamb
2. Square and center the Saddle Threshold to the Strike Jamb.
3. Obtain #10 x 1-1/2 inch sheet metal screws and anchors (per length of the Saddle Threshold).
4. In the center of the Saddle Threshold, approximately 4 inches from the cutout for the Pivot Plate, mark (1) screw hole.
5. In the center of the Saddle Threshold, approximately 4 inches from the Strike Jamb, mark (1) screw hole.
DN 0752
Strike Jamb
1/4” Screw Holes
Cut Out for Pivot Plate
4”
4”
8”- 12”
Hinge Jamb
Figure 36 Mark and Drill Holes on Saddle Track
6. Mark remaining screw holes 8 - 12 inches apart and evenly spaced.
7. Drill screw holes into the floor no less than 1-1/2 inch deep for #14 x 1” anchors.
8. Remove the Saddle Threshold. Set aside.
9. Insert #14 x 1” plastic anchors into the drilled screw holes.
