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FAQs

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...:

Are the 2313ME, 4313ME, and 4413ME LCN models still available?

Resolution: The only spring size available is a size 4 (2314ME, 4314ME, 4414ME) which has a stronger spring to help insure that the door will close in a fire situation.:

Did the 996L trim replace the old 992L and 994L trims?

Resolution: Additional information: The 996L looks like the 992L The 996L replaced both the 994L and 992L The internal parts for the 994L and the 996L are exactly the same. The 992L prep was a li...:

What is SLM blocking and how does it effect exit device installation?

Resolution: SLM - special laminated material - blocking is put into the wood doors so there is material to mount the exit device using wood screws.:

Will the standard cylinder drive bushing on a 1790 device work with my 179L trim?

Resolution: Step 3 and 4 of 179L Instructions will show the old drive bushing being removed & the new drive bushing getting installed:

Why is the key hard to turn on the XX-V NL-OP?

Resolution: Both rods are being lifted thus the extra weight is placed on the bow of the key and will feel hard to turn.:

What cylinder is used in the Falcon 24/25 exit alarm kit?

Resolution: The Exit Alarm takes a 1 1/8" Mortise cylinder with a straight cam. See first page of Exit Alarm inst below. Exit Alarm inst:

What is the correct centerline for the 6211 with the BEST 45 H mortise lock?

Resolution: Center line of the 45H mortise lock and center line of the 6211 electric strike are the same. (both on the same center line):

Is there a left hand hold open clip (block) for a 3130 series closer?

Resolution: As of Feb. 8th, 2016- LCN launched a new HO feature (block) for all track closers, which is not handed. Part # for the Hold Open clip (block) is 3130-3054 and it also requires the...:

What closers replaces the 1370 / 1371, which was commonly called the Quest closer?

Resolution: The 1370 series closer was discontinued on Oct. 4th, 2008The 1260 closer hole pattern is 9-1/16" x 3/4", which is NOT the same hole pattern as the 1370 closer.The 1260-18QF plate does have the same...: