lcn arm functions

RELATED FAQS

Question
Answer
The hold open position on a "REG" or "EDA"  hold open arm is set with the door to a few degrees shy of the desired hold open point. To properly set, open the door 5° less then the desired hold open...
It would be unnecessary to use the CNS/Cush arm and the Glynn Johnson overhead devices in the same application, both mechanisms stop the door.
2030 and 5030 are both overhead concealed closers. The 2030 uses a concealed, in the door, track, and a concealed one piece arm. The 5030 uses a exposed double lever arm (like the arm for a 401...
The 4640 Regular arm (4640-3077) is the same as: 4040 Long Arm 4820 Regular arm. The arms listed above are for reveals up to 4 1/2" and have a 8 3/8" long rod and shoe. 4640 Long arm ...
Make sure that the hold open nut is not on upside down.  The orientation of the hold open nut depends on the mounting. On a Top Jamb "Push Side" mount, the hold open nut would poi...
The Fusible Link arm is available with the 4010, 4020 and 4110 series closers. They all use the same Fusible Link arm. The UL Listing number is for the Fusible Link arms is R1943. The 4010 Serie...
EDA ARM - The EDA arm is a heavy duty parallel arm mount.  The degree of door opening is determined by the template used for mounting. EDA arm closers can only be mounted as a Push Side parallel ar...
The old 4030/4130 closers and arms are obsolete, there is nothing to replace them. No arm from other closers will fit  There is no closer that can replace the old 4030 series closer with the exa...
When installing the arm; the gearbox shaft and door must be at the (+90°) full open position. The following step are used to install the Senior Swing (STD) pull arm. Install the header using app...
When installing the arm; the gearbox shaft  and door must be at the (+90°) full open position. The following step are used to install the Sr. Swing (REG) push arm. Install the header and door brac...