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backcheck door stop
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RELATED FAQS
Question
Answer
Why does the ND40 stay locked after egress?
Resolution:
There is potential for ND40/ND44's manufactured around March 2011 to remain locked after egress, or after the latch is depressed. There was an issue with the keycam that created a bind when l...:
What is thermal bow?
Resolution:
Thermal Bow is a temporary condition which occurs in metal doors mainly due to the temperature differential from one side of the door to the other. This may occur in exterior doors when direct sun ...:
Will the door unlock if a Von Duprin CX 98 / 99 Chexit device is deactivated with card reader and has a 996LBE trim?
Resolution:
When a CX99L-BE is not armed the exterior 996L BE lever trim will be free to retract the CX latch for entrance. When the CX99-L BE is armed the exterior 996L BE lever will not move and...:
How do you adjust a door closer?
Resolution:
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 cl...:
What size Allen wrench is used for Closer adjustment?
Resolution:
LCN does not supply Allen wrenches. The size allen wrenches that LCN uses, are standard sizes that every installer will have in their tool kit. 3/32" Allen wrench for adjusting&...:
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...:
What is a 62A shoe used for?
Resolution:
The 62A shoe is used when it is necessary to install the door closer (lower) down on the door so that it will operate under accessories such as overhead stops, coordinators, etc.: