MAINTENANCE HISTORY INFORMATION MANAGEMENT SYSTEM FOR CONSTRUCTION MACHINE

摘要

The present invention provides a maintenance history information management system for a construction machine that is capable of enhancing the reliability of temporal information about maintenance history data. A data recording device 30 is incorporated in a hydraulic excavator 1 or other construction machine to process operating time or date and time. A mobile terminal 34 includes a CPU 36 for displaying construction machine maintenance items on a monitor 38. A worker can input data for the maintenance items as the maintenance history data. The mobile terminal 34 inputs the operating time or date and time from the data recording device 30 via first a communication cable and a communication connector and stores the input operating time or date and time in a storage device 35 in association with the maintenance history data.