THEFT PREVENTION SYSTEM FOR CONSTRUCTION MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a device capable of being applied to an existing construction machine easily and preventing theft effectively. SOLUTION: A fuel shut-off device 23 is provided on a fuel line of an engine, and the fuel shut-off device 23 can convert a communicating condition and a shut-off condition by a specific key 34. The fuel shut-off device 23 is provided in a section where it can be easily inserted such as an outlet connection part of a fuel tank 21 and a fuel suction pipe connection part of the engine. A mounting means of the fuel shut-off device 23 is constituted so as to be post-attachable to the construction machine after manufacturing. A mounting device is constituted so as to make it difficult or impossible to be removed after mounting.