latch speed valve diagram

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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 ...
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...
AVB stands for Advanced Variable Backcheck. It is a cylinder option when ordering a 4111 closer (without an ST) that allows backcheck to start at about 45 degrees instead of the normal 75 degrees. ...
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...
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...
The MA lock can be specified in a 12 or 24V DC configuration (default is 12V). Additionally, an AC power source may be used as long as a rectifier is installed in the circuit (not provided). He...
For additional details and a wiring diagram see the MA service manual page on electrical requirements here. 
Applies to L9090EL/EU, L9091EL/EU, L9092EL/EU, L9093EL/EU, L9094EL/EU, L9095EL/EUThe Schlage electrified L-Series wiring diagram can be found here and the re...
Applies to L9080EL/EU. L9082EL/EU (Discontinued)The Schlage electrified L-Series wiring diagram can be found here and the requirements are listed below. 24VAC or 24VDC (maximum 26V, ...
Click here to show the differences of an installed lockcase between the L9090, L9091, L9092, L9093, L9094, L9095 EL/EU and the L9080 EL/EU