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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When did LCN quit making traditional potbelly style closers?
The LCN "Traditional" Potbelly series closer line was discontinued in 1980.
Unfortunately there is no direct replacement for these old units. Would need to replace with an...
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