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“ MEDIUM DUTY CLOSER ”

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 the difference between a 4010 and a 4011 closer?

Resolution: A 4010 is the series of door closer, a 4011 is the adjustable spring inside the closer. :

Is the 2030 spring adjustable?

Resolution: All the 2030 series closer have a fixed spring sizes. Example -- a 2031 has a size 1 spring, a 2302 has a size 2 spring, 2033/2034/2035 etc. All the 2030 series closer are shipped a...:

How do I get a Size 1 (ADA) closer to close against air pressure?

Resolution: If an Size 1 (ADA) closer is set to 5 lbs. opening force, it will only have about 3 lbs. (60/70%) closing force. If the closer will not close against air pressure, but the ADA requirements have to ...:

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 size machine screws are used with thru bolts and a 2-3/4" thick door and a 4040 closer?

Resolution: A 4040 closer mounted with thru bolts on a 2-3/4" thick door would require 1/4-20 X 3-1/2" machine screws.:

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“ MEDIUM DUTY CLOSER ”

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