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RELATED FAQS

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...:

What LCN closer has the strongest closing force?

Resolution: The size 6 handed closers will have the most (strongest) closing force. The 4016 (pull side), the 4026 (top jamb push side) or the 4116 (push side parallel arm) have the highest closing force.:

When did they start putting the green dial's on the 4041 closers?

Resolution: LCN started putting on the green dials for the spring adjustment on the 4041's in 2001.:

How do I get service on my Astro Swing operator that isn't working properly?

Resolution: LCN does not does not have or supply any information for the old (obsolete) "High Energy" Dor-O-Matic Sliding doors, Bi-Fold doors or Astro Swing doors. You MUST be AAADM certified to work on, or g...:

SPRING POWER ADJUSTMENT

Resolution: Mechanical pre-loading of spring to adjust closing force:

SPRING POWER

Resolution: Closing force exerted by the spring inside the cylinder to close the door: