Luffing limits

Description

Luffing limits

• The purpose is to limit the luffing in & out of the jib beyond prescribed limits to prevent adverse operation of system.
• Luffing beyond limits could
  • End up in collision of jib with building elements.
  • Damage the screw end cap in electromechanical luffing.
  • Damage seal elements in hydraulic luffing.
• The conventional practice is to fix limit switch striker on moving jib and mount the lever type limit switches in appropriate locations on a fixed marker.
• The system also comes with mechanical buffer to further safe guard the operation.