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lcn maintenance instruction
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RELATED FAQS
Question
Answer
What maintenance is required for an LCN closer?
Resolution:
Closers mounted according to LCN installation instructions require no periodic maintenance or seasonal adjustments. Monthly, quarterly, and annual visual inspections are recommended for Fire/...:
When did LCN quit making traditional potbelly style closers?
Resolution:
The LCN "Traditional" Potbelly series closer line was discontinued in 1980. Unfortunately there is no direct replacement for these old units. Would need to replace with...:
Does LCN repair or sell rebuilt closers?
Resolution:
Because of the new extended LCN warranties and the desire to be consistent across the entire Allegion premium brands, LCN will be moving away from offering an out-of-warranty repair service beginni...:
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...:
Do LCN closers come with thru bolts?
Resolution:
The standard screw pack for most LCN closer is the SRT (Self Reaming and Tapping) screw. Thru bolts are an option but must be specified on the order. There is no charge for them, but they...:
How do I set the hold open on my 4040 closer?
Resolution:
The hold open position on a "REG" or "EDA" hold open arm is set with the door to a few degrees shy of the desired hold open point. To properly set, open the door 5° less then the desired hold open...:
How are actuators wired to a 7900 or 7980 series control box?
Resolution:
The "common" of all the actuator switches will connect to terminal 10. The N.O. (normally open contact) will connect to Terminal 5, 6, 7 or 8 depending on which control box is used and the function...:
Is there adjustment limits on the regulation valves of LCN manual closers?
Resolution:
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 valv...: