Learn how too properly adjusting a door closer. Including BC or back check, DS or Door sweep, L for Latch. Your times should be seven seconds to fully closed from 90 degrees. Five seconds of sweep and two seconds to latch fully Installing the LCN 40-40 XP series door closer with drop-down plate in parallel.

You can also control the amount if spring tension with the S for spring adjustment, this can range from five lbs of force required to open to -15 pounds of pressure depending on your local requirements.

Please check with your local and state laws for building code and ADA requirements in your local area to ensure you are in compliance in your area.

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