TROUBLESHOOTING METHOD FOR RAW MATERIAL YARD MOVEMENT MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a troubleshooting method for a raw material yard movement machine such as a stacker or a reclaimer, for loading and unloading raw material such as coal and ore to/from a yard.;SOLUTION: In the method, a current value of a motor of a machine in noload operation with the machine in a sound state is compared with a current value of the motor of the machine in operation in noload operation. In a case where difference between both is a prescribed value or more, it is determined that an expendable item in the device is in a replacement timing.;COPYRIGHT: (C)2009,JPO&INPIT