| 摘要 |
PROBLEM TO BE SOLVED: To provide a grain preparation facility enhancing workability, operability and safety. SOLUTION: The maintenance switch for the grain preparation facility keeps a touch panel a4 provided with G4a to an upper end and G4b (maintenance switch) to a standard and a maintenance control means for controlling a selection angle of a selection plate 29a of a pivot selection apparatus 101B corresponding to the switch from detection information of detectors 201, 202 when either one of G4a to an upper end and G4b to a standard is selected for a control mechanism. In addition, the maintenance control means does not display G4a to the upper end of the touch panel a4 and G4b to the standard during operation of the grain preparation facility 1 and displays them during stopping of the grain preparation facility 1. COPYRIGHT: (C)2008,JPO&INPIT
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