i have 3800's with 12" radius and there is no clearance for the cable tension monitors because it lowers the drum to close to the door so i would do some research before you buy 12" radius track. reading this gave me the idea to go get 15" turns thanx
i recently bought new overhead doors from menards, 2" thick clopay i believe is the manufacturer. The install of the doors went ok but then i went to install the 3800 and there is zero clearance for the cable tension monitor. my doors have a "easy set torsion spring" i have them running with the...