Luffing limits

Luffing limits



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.


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