where are model numbers on LCN door closers

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The date is a 4 digit #. The first 2 numbers indicate the week it was made, and the last 2 numbers indicate what year it was made. On most surface mounted closers, the model #,  date code, ...
The 4330 / 4430 is an obsolete ME closer replaced by the 4310ME or 4410ME Series.
  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 regulati...
The LCN 6030 is a Double Acting (or dual action) closer. Requires a "Cased Open Frame" - that means no stops formed in the frame.
STANDARD ROD AND SHOE: 4020, 4031, 1460, 1520, 1370, 1070, 1260, 4640, 4820 is: 8 3/8” LONG ROD AND SHOE: 4020: 4031, 1460, 1520, 1370, 1070, 1260, 4640, 4820 is: 12 3/8” STANDARD ROD AND SHOE: ...
The Falcon SC71 is an exact replacement for the Norton 7500. The LCN 1460 or 4040 Series closers could be used, the mounting hole pattern is different.
Neither Dor-O-Matic or LCN manufacturers a floor closer. 
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 "Delay" feature ...
The 330 closer and parts were discontinued in early 2009. LCN does not have any parts available for the 330 series closer. The LCN 3030 Series would be the comparable closer replacement to the...