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
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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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What is the P valve on the LCN 4050A Closer used for?
This P valve or PA selector
valve on the LCN 4050A closer is a "Backcheck selector valve" that
needs to be turned in on "Parallel Arm" mount applications ONLY.
If this valve is not turned in on ...
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How to template a 4050A with swing clear hinges?
Locate Closer body and shoe from the centerline of the swing clear hinge pin. ...
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Is the 4010 hold open arm the same as the 4020 hold open arm?
No, these arms are not the same and are not inter changeable. ...
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What is the narrowest door (width) that the 4020 can be mounted on?
When templated to 180 degrees, the standard 4020 closer will physically fit on a 17" wide door. Given the stop on the latch side of the frame is 1/2 or less.
...
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Is the LCN 62PA shoe the same on all LCN Closers?
The -62PA shoe is the same on all LCN Series Closers, EXCEPT for the 1260, 1250, and 1450. The 1260, 1250, and 1450-62PA shoe has a different mounting hole pattern....
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What are the dimensions for the 4020 drop plates?
The 4020-18 and 4020-18G plate are 12-1/2 long x 3-1/2 high x 3/16 thick.
See here for 4020 drop plate instructions.
...
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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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