Lcn closer slams shut

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Finish is not specifically stated as being covered under warranty as it is covered under defects in material and workmanship.  EXCEPTION: There is no finish warranty for Falcon products. ...
Falcon lock warranty statementIves warranty statementGlynn-Johnson warranty statementLCN closer warranty statementSchlage warranty statementSteelcraft warranty statementVon Duprin warranty statement
How to:  What are the steps to adjust a door closer?Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment.  All closers with a "Delay" feature ...
  Product shipped on or after Feb. 8th, 2016 The "3034" and "3034H" are internal part designation that LCN uses to specify regular (3034) and hold open ...
On Feb 8th, 2016 - LCN launched the redesign of the Hold open clip which changed multiple components of our Track style closers, including the roller, track, hold open clip, and bumper.   
LCN does not recommend this type of installation, and has never sold a coupler to do this.
There are a few things that can cause a closer to slam. The closer could be adjusted incorrectly. Turn all regulating screws clockwise until they stop. Then open each valve 1 and 1/2 turns. If t...
It would be unnecessary to use the CNS/Cush arm and the Glynn Johnson overhead devices in the same application, both mechanisms stop the door.
The Senior Swing has a built in circuit that controls closing speed through the motor. If the door is slamming, there must be a broken gear in the gearbox and the gearbox will need to be replaced.
The 1040 and 1050 are obsolete closers made in the 50's, 60's, and 70's. The 1260 or 1460 will work as replacements, but they are not direct replacement.
If an Size 1 (ADA) closer is set to 5 lbs. opening force, it will only have about 3 lbs. (60/70%) closing force. If the closer will not close against air pressure, but the ADA requirements have to ...
If an ME Series closer creeps shut or will not hold open, Verify proper voltage is being supplied to the closer, if correct Check the on/off switch. Verify the voltage on the 2 pin co...
LCN started putting on the green dials for the spring adjustment on the 4041's in 2001.
The Benchmark 9100 series and Falcon 8200 Series operator will allow the door to slam if: The motor is not connected (plugged into) the controller as the closing speed is controlled by a c...
The old 4030/4130 closers and arms are obsolete, there is nothing to replace them. No arm from other closers will fit  There is no closer that can replace the old 4030 series closer with the exa...
The 4040XP, 1260/1261, 1460/1461, 4030/4031 closers have the tri-pack mounting option when ordered with an Rw/PA or Hw/PA designation.