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Proper time for door closer
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RELATED FAQS
Question
Answer
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...:
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...:
How do I determine the hand of a door?
Resolution:
Go to the push side of the door opening. See above illustration. If door swings out to the left, it needs a left hand door closer. If door swings out to the right, i...:
What are the Rod and Shoe lengths for 4000 and 1000 series closers?
Resolution:
STANDARD ROD AND SHOE: 4020, 4031, 1460, 1260, 4640, 4820 is: 8 3/8” (obsolete product 1520, 1370, 1070 had same length)LONG ROD AND SHOE: 4020, 4031, 1460, 1260, 4640, 4820 is: 12 3/8” (obso...:
How do you identify what size a 2030 closer is?
Resolution:
The Date Code and Closer Size are stamped in the backside of the closer body. These stamps will be on a smooth machined surface of the cylinder.Closer Size:If the number is "1", the...:
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 ...:
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 closers with a "Del...:
Where is the date of manufacture on a 4041 closer?
Resolution:
The date stamp on a 4041/4040XP is on the packing nut. The date will be the week of the year and then the year. EXAMPLE: 10 05 would be week 10 of 2005. For example...:
What is the maximum door weight recommended for LCN closers?
Resolution:
The maximum recommended door weight for LCN manual closers is 225 lbs.: