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GT20 8300-8350 Overhead Concealed Operator Installation Manual
www.NabcoEntrances.com
P/N C-00183
Rev 8-31-16
SECTION 5 .4 Install the Fingerguard
Note: Screws must be appropriate for the type of structure being fastened into. Screws are not provided by NABCO.
Note: Do not overtighten screws to prevent deforming Weatherstrip Extrusion. Ensure each screw is flush to the Jamb tube.
1. Go to the top of the Pivot Jamb tube, at the center, drop a Plumb Line to the floor.
2. Mark the Center line on the inside face of the Pivot Jamb Tube. It is recommended to use a level.
3. Insert the Weather Strip into both channels located on the Finger Guard Mounting Plate.
a. Spraying silicone (not included) inside the Channels may ease the insertion of the Weather Strip.
Figure 10 Install Weather Strip onto Finger Guard Mounting Plate
DN 0470
Weather Strip
Channels
Weather Strip
Channels
Finger Guard Moun ng Plate
SIDE VIEW
Assembled Finger Guard
4. Line up the Center Notch located down the full length of the Finger Guard Mounting Plate, with the Center Mark located on
the Pivot Jamb Tube. It is recommended to use a level.
Figure 11 Secure Weatherstrip Extrusion to Hinge Jamb Tube
DN 0471
Hinge Jamb Tube
Weatherstrip Extrusion
Center Line
Plumb Line
1/8” Screw Hole
1/8 x 1” Self Tapping
Steel or Zinc Plated Screw
5. Drill (3-4) 1/4 inch evenly spaced screw holes down the Finger Guard Assembly.
a. Each screw hole must go through the Weather Strip, Mounting Plate and the Pivot Jamb Tube.
6. Secure the Finger Guard Mounting Plate onto the Pivot Jamb with 1/4 x 1 inch self tapping Screws (zinc or steel plated).
SECTION 5 .5 Install the Floor Pivot
DN 0482
Floor Pivot Assembly
Top Pivot Assembly
Note:
Cover not used on Bi-Fold Units
Figure 12 Center Pivot Locations