OPERATION APPARATUS OF COMBINE HARVESTER

PROBLEM TO BE SOLVED: To provide an operation apparatus of combine harvester with which during traveling, a reaping part and a threshing apparatus are not driven even if a clutch operation means is operated by mistake. SOLUTION: The operation apparatus of combine harvester is equipped with a manipulatable clutch operation means 25 for changing operation of a reaping clutch 17 and a threshing clutch 14 and a manipulatable speed change operation tool 24 for operating speed change of a traveling transmission 13. The operation apparatus of combine harvester is equipped with a clutch checking means 45 which is changeable from an action state in which change of engagement state of the reaping clutch 17 and the threshing clutch 14 by the clutch operation means 25 is checked to an action release state in which change of engagement state of the reaping clutch 17 and the threshing clutch 14 by the clutch operation means 25 is allowed. When the traveling transmission 13 is operated to a low-speed side, the clutch checking means 45 is in an action released state and when the traveling transmission 13 is operated to a high-speed side, the traveling transmission 13 and the clutch checking means 45 are connected so as to make the clutch checking means 45 in an action state. COPYRIGHT: (C)2009,JPO&INPIT