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*24771*

24771

This closer features mounting options for both standard and step-down double egress frames. Before beginning, determine which type of 

mounting best applies to your application, or has been specified for the job, then be sure to use the proper template.

Double Egress

4040SE

Installation Instructions

Voltage

The voltage shown on the track cover plate must match voltage 

supplied to door frame (24V or 120V). If concealed wiring is 

desired, prepare the frame to specifications shown on the 

corresponding template. If surface wiring is desired, be sure to 

mount the track on the frame before running any EMT/conduit.

Track

Insert the proper track plugs into the top of the track. Using the 

fasteners provided, mount the track on the frame to the template 

dimensions being used. Make the electrical connections (see page 

2).

Spring Power

Before mounting closer, the spring power may need adjusting. 

Refer to the label on the closer spring tube. The 4040SE DE Series 

comes preset at size 3. This will control a door up to 38”, adjust 

the closer as shown (see illustration to the right) up to 7 full turns. 

Starting the cover screws at this point is recommended. Using the 

fasteners provided, mount the closer on the door to the dimensions 

of the template being used.

Arm Installation

Place the arm spacer over the top shaft of the closer. Install the 

arm as follows: 
Place the arm spacer over the top shaft of the closer. Rotate the 

arm from the door until flats in the arm hub line up with the first 

available flats of the shaft. Slide the arm hub onto the closer shaft. 

Inser the shaft screw and tighten securely.

Arm Screw

Loosen the set screw in the arm. Connect the arm to the track 

roller, and tighten the set screw firmly.

Door Position

To adjust the hold-open position of the door: Remove the screw 

in the adjustable arm, and open the door to the desired position. 

Reinsert the screw and tighten securely.

Regulation

Do not allow the door to slam into the frame. A “normal” closing 

time from a 90° position is 5 to 7 seconds, evenly divided between 

the Main and Latch Speed. If adjustments are needed, use a 

C\cx

hex wrench. To adjust the Main Speed, turn the regulating screw 

(see illustration) clockwise to slow the speed or c.c.w. to increase 

the speed. Latch Speed is adjusted in the same way. When 

adjusting, use the Backcheck the least amount necessary to slow 

the swing of the door sufficiently. To adjust the Backcheck, turn the 

regulating screw clockwise to increase the amount of force or c.c.w. 

to reduce the amount of force. 

 

L

NOTE: Do not use an abrupt backcheck setting or expect 

the door closer to act as a stop!

Door Closer Cover

With regulation done, place the snap-on clip insert into the proper 

cutout, then the snap cover assembly onto the spring tube.

CauTiON

improper installation or regulation may result in personal 

injury or property damage. Follow all instructions carefully.

For questions, call LCN at 877-671-7011.

Maximum Opening Force

=

35 ft-lbs

62 N

48 N-m

To

Increase

Power

Main

Speed

Latch

Speed

Backcheck

⁵⁄₃₂

Hex 

Wrench

Backcheck

Main

Speed

Latch
Speed

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