As for the maintenance system null job machine of the job machine which

摘要

PROBLEM TO BE SOLVED: To provide a maintenance system for a working machine, which eliminates manual input by a service engineer, etc., by automating the transmission of maintenance data from the working machine side to a center server side through two-way communication between the center server and the working machine.;SOLUTION: A managing server 12 maintain and manages hydraulic shovels 11A to 11C by sending and receiving data to and from the hydraulic shovels by two-way communication through a communication line. Each hydraulic shovel is equipped with a storage part 44 which stores operation data and maintenance data, a maintenance completion switch 27 for inputting maintenance operation completion, a communication device 50 which sends maintenance operation completion data and maintenance data to the managing server and receives data regarding maintenance information sent from the managing server, and a display device 49 which displays the maintenance information.;COPYRIGHT: (C)2003,JPO