My closer will not stay in adjustment

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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 ...
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...
LCN does not supply Allen wrenches, the size that LCN uses, are standard sizes that every installer will have in their tool kit. 3/32" Allen wrench for adjusting regulation valves: main speed, lat...
Try the steps below to improve the hold open adjustment. Remove hold open nut  Apply a couple drops of blue loctite to the threads. Re-assemble, and reset hold open. Let loctite set up overn...
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...
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...
Closers mounted according to LCN installation instructions require no periodic maintenance or seasonal adjustments.The full line catalog states that no periodic maintenance is required.
 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 ...
LCN started putting on the green dials for the spring adjustment on the 4041's in 2001.
120V Models: The hold open force on the 2310ME / 4310ME / 4410ME closers is "NOT" adjustable. 24V Models: There is a trimpot adjustment on the circuit board that allows you to "REDUCE" the hold op...