LCN closer adjustments

RELATED FAQS

Question
Answer
LCN started putting on the green dials for the spring adjustment on the 4041's in 2001.
Closers mounted according to LCN installation instructions require no periodic maintenance or seasonal adjustments.  Monthly, quarterly, and annual visual inspections are recommended for Fire/...
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 valves h...
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 ...
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...
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.
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.