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conceal door closer adjustment
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RELATED FAQS
Question
Answer
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 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&...:
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 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 do you adjust a door closer?
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...:
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...:
Is there a retrofit closer available for the obsolete 303 OHC closer?
Resolution:
The LCN direct retrofit for the Obsolete 303 OHC closer was the 330 series, it was discontinued in 2009. The 3030 closer door closer body can be used as a replacement cylinder. :
What are Overhead Concealed door closer?
Resolution:
Overhead Concealed door closers are used to provide a more aesthetic look to the opening. Concealed in either the frame or the door Offer the ability to be adjusted to maintain...: