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“ door closer will not latch door ”

RELATED FAQS

Resolution: 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 "Del...:

Is there adjustment limits on the regulation valves of LCN manual closers?

Resolution: The regulation valves are designed to adjust the flow the hydraulic fluid in the closer which regulates the door closing speed through various phases of the closing cycle. The regulation valv...:

What size Allen wrench is used for Closer adjustment?

Resolution: LCN does not supply Allen wrenches. The size allen wrenches that LCN uses, are standard sizes that every installer will have in their tool kit. 3/32" Allen wrench for adjusting&...:

What are Hold Open Closers & Magnets?

Resolution: Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions. Single or multi-point hold open closers Utilize an electromechanical closer. Hold the door o...:

What is the delay time adjustment on a Delayed Action closers?

Resolution: Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature. De...:

How can you tell the hand of a door closer?

Resolution: First you need to determine if the closer is handed. A handed door closer will only have a single shaft on one side of the closer for the arm to attach to. If the closer is handed...:

How do I set the hold open on my 4040 closer?

Resolution: The hold open position on a "REG" or "EDA" hold open arm is set with the door to a few degrees shy of the desired hold open point. To properly set, open the door 5° less then the desired hold open...:

Can a Cam Lift hinge be used with LCN closers?

Resolution: Cam Lift hinges can only be used with LCN door closers that have a "Regular" or "Reg hold Open" style arm. Locating the Closer and Arm from the centerline of the pivot point of the cam lift h...: