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INSTALLATION INSTRUCTIONS FOR 907(A), 908(A) & 910 MULLIONS

FM277 2/08 (617417800)

Corbin Russwin 907(A), 908(A), and 910 Mullions for ED2000, ED3000, ED4000, ED5000, ED7000, and ED8000 Series Na…_FM277 image

Tools Required:

  • · Measuring Tape
  • · Pencil
  • · Drill & Tap Sizes: #7 drill and 1/4"-20 tap
  • · Concrete Drill: 3/8" diameter
  • · Center Punch
  • · Hammer
  • · #2 & #3 Phillips Screw Drivers
  • · 5/32" Allen Wrench
  • 1. Close and block doors against frame stops. Check gap between door leaves and door to frame and correct if necessary.
  • 2. Locate the center of the opening on the floor. Using the Bottom Retainer, mark the positions for the two drop-in fasteners.
    • a.The bottom of the door should come to rest against the surface of the Mullion.
    • b. Modify threshold as required.
  • 3. Drill (2) 3/8" diameter holes in floor with cement bit to a minimum depth of 2 1/2".
  • 4. Fasten Bottom Retainer to floor.
  • 5. Locate the center of the opening on the top of the frame. Using the Top Retainer, mark the positions for the (4) fasteners.
    • a.The door should evenly rest against both the frame stop and the Mullion.
    • b. If a Top Retainer mounting kit is used, modify weatherstripping as required.
  • 6. Drill and tap each location for 1/4"-20 fasteners.
  • 7. Measure "Dim X" as shown. Remove material from the bottom of the Mullion per the formula: length of Mullion ="dim X" minus 3/4". Note - This leaves approximately 1/8" clearance between the Mullion and the Top Retainer when mounted.
  • 8. Place Mullion onto Bottom Retainer and place Top Retainer on top of Mullion. Pivot into opening and secure Top Retainer with provided fasteners.
  • 9. Tighten set screws in both Top and Bottom Retainers.

INSTALLATION INSTRUCTIONS FOR 907(A), 908(A) & 910 MULLIONS

FM277 2/08 (617417800)

  • 10. Install exit devices according to the manufacturer's Instructions.
  • 11. Fire rated Rim and SecureBolt® Exit Devices: After exit devices and strikes have been assembled, install Interlock Brackets with (4) #10-24 x 3/4" screws as shown in illustration below.

Corbin Russwin 907(A), 908(A), and 910 Mullions for ED2000, ED3000, ED4000, ED5000, ED7000, and ED8000 Series Na…_FM277 image

Corbin Russwin 907(A), 908(A), and 910 Mullions for ED2000, ED3000, ED4000, ED5000, ED7000, and ED8000 Series Na…_FM277 image

Corbin Russwin, Inc. 225 Episcopal Road Berlin, CT 06037-4004 www.corbinrusswin.com

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