What is the normal closing time that a door closer should be set to?
LCN recommends a normal closing time from 90° door open position is 5 to 7 seconds, evenly divided between main speed and latch speed....
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Does the WMS screwpack also have SRT screws?
The WMS (Wood Machine Screw) and the SRT (Self Reaming Tapping) are separate screw packs....
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What special template (ST) is used to get a 4040 closer without a spring, for checking only?
ST-2687 is for a closer that is assembled without a spring. For any large body closer (4010, 4020, 4110, and 4040 series closers), not the 1460/1460T, 1260, 4030/4030T, 2030, 5030, 6030 30...
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LCN / GJ Reference Chart
For LCN Cast Iron Closers See here.For LCN Alum Closers see here.For current ST pricing and templates please contact
[email protected] or call 8776717011, press 2 for Product S...
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Is there adjustment limits on the regulation valves of LCN manual closers?
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 valves ...
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What is a surface mounted door closer?
Surface Mounted door closers are the most durable and common type of door closer.
Mounted to the surface of the door or frame
Can be configured (through installation or arm type) to meet a wi...
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Can a LCN 4210T closer be converted to a 4510T?
Yes, the 4210T and 4510T use the same cylinder and arm so there are only a couple parts that would need changed.The Parts needed to change a 4210T to 4510T are the metal cover and track.&nbs...
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Can a LCN 4510T closer be converted to a 4210T?
Yes - Will need to change the metal cover and convert the 4510T track into the 4210T track by removing the spacer bar (NOTE: The 4210T-3038 track is the same as the 4510T-3038 Track, minus the spacer ...
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Which LCN Mechanical closers are available with an optional Delayed Action Cylinder?
The following LCN closer series have an optional Delay Action Cylinder:
1450 series
1460 series
4010 series (only 4011, not available with 4016)
4020 series (only 4021...
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What can be done to help eliminate excessive groaning, squeaking, or creaking noise from a manual closer cylinder body?
If you are encountering a manual closer that has excessive groaning- this is more than likely the internal spring that is rubbing slightly on spring tube and the noise can be exacerbated by...
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