INSTALLATION INSTRUCTIONS FOR
HC-L980 AND 12-HC-L980 MULLION
FOR ASSISTANCE CONTACT SARGENT AT 800-727-5477 or www.sargentlock.com
© SARGENT Manufacturing Company All rights reserved A7962A
Dim “X”
Tools Required:
Tape Measure
Pencil
#3 Phillips Head Screw Driver
Hammer
Punch
#7 Drill and 1/4"-20 Tap
3/8" concrete drill
1/2" drill
5/64" Allen Wrench
3/16" Allen Wrench
1. Attach the Top Retainer to the top jamb
1-1. Mark the centerline of the Top Retainer on the top jamb.
1-2. Close the doors and keep door leaves tight to the stops.
1-3. Fold the supplied Template No. A7825 along the creased line and locate it
on the top jamb using the centerline marked. Attach it to the frame and
doors with the self-adhesive strips supplied.
1-4. Mark, drill and tap holes required.
1-5. Install the Top Retainer using (4) four 1/4-20 x 5/8" flat head screws.
2. Locate the Bottom Retainer on the floor
ATTENTION:
Do NOT attach the Retainer to the floor at this point
3. Cut the mullion body to size
3-1. Measure the distance (H) between the Retainers.
3-2. Cut off bottom of the mullion body to desired length (L), using the following
formula: L = H - 1/16"
4. Position the mullion body into the bottom and top retainers and locate it
vertically. Mark the Bottom Retainer location on the floor (Bottom retainer still
free to move)
ATTENTION:
Make sure that the mullion surface is engaged with the doors
5. Install the bottom retainer
5-1. Remove the mullion body from the retainers and put it aside.
5-2. Align bottom retainer with previous markings from Step 3.
5-3. Use a punch and hammer to mark hole locations on floor.
5-4. Drill (2) 3/8" diameter holes in floor to a min. depth of 2 5/8"
5-5. Mount the bottom retainer to the floor with supplied (2) 3/8" fasteners
ATTENTION:
Before starting the installation make sure that:
- You have the correct product;
- Doors are properly installed and hinge screws are secure.
ASSEMBLY INSTRUCTIONS FOR HC-L980 AND 12-HC-L980 MULLION
© SARGENT Manufacturing Company All rights reserved A7962A
Keyway
Cylinder
Blocking Ring
5/64" Allen Wrench
6. Installation of Cylinder
6-1. Depress latchbolt and hold fully retracted.
6-2. Carefully thread cylinder with blocking ring into lock assembly until it bottoms out.
6-3. Unscrew the cylinder orienting keyway at bottom.
6-4. Release latch bolt. Note: If latch bolt is not fully projected loosen cylinder an additional 1-2 full turns.
6-5. Tighten set screw with 5/64" Allen Wrench through access hole in side of mullion.
6-6. Check operation of cylinder and lock assembly. Note: Key only turns counter-clockwise.
7. Install the mullion body
7-1. Place mullion body onto bottom retainer and pivot into opening.
7-2. Tighten bottom retainer set screw with 3/16" Allen Wrench to prevent mullion rattle.
8. Install exit devices according to manufacturer’s instructions