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“ door closer will not adjust speed ”

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 cl...:

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&...:

How to adjust a 4010 hold open arm?

Resolution: The correct method (process) for setting the hold open is: The 4010 hold open arms are handed, verify correct hand arm. (R or L stamped on main arm) Loosen the hold open nut. Opened the door ...:

Is the 4010 closer handed?

Resolution: The 4010 door closer is handed and they are not field reversible.:

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...:

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...:

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...:

What would cause a door closer to slam?

Resolution: 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...: