Corbin Russwin Cmp DC6210-689-M54 Parallel Arm X Snb
Download File
This step discusses how to set the friction nut so as to hold the door at the desired degree of hold open.
You may also note on the right-hand side of all of the installation pages linked above are related to the A1 hold open arm.
If there are any additional questions please feel free to reach out to us and please remember this arm type is expressly prohibited from us on fire rated doors.