Crane Safeties
-Hoisting lower limit switch
-Luffing upper limit switch 82.85°
-Luffing lower limit switch 25°
-Anti-collision limit switch OR Differential switch.
-It is for avoiding the collision between hoisting block & jib.
-Hoist wire rope slack switch
-The joystick should be neutral
-Oil tank level
-The high temp of the main motor
-Emergency Stop
Engine Room Overhead Crane Safeties
-Hoisting upper limit switch
-Lower limit switch
-Transverse & Longitudinal limit switch
-Emergency stop
-Disk brake