| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for automatically correcting a workvehicle, when preset relating data showing the correlation between the detected values measured by a device for detecting numbers of revolutions under unloading conditions without loading to the engine and the detected values measured by a opening sensor, then the relating data can be corrected easily. SOLUTION: When the detected values measured by the device 68 for detecting numbers of revolution under unloading condition are approximately constant and also approximately constant conditions of the detected values measured by the opening sensor 63 are maintained within only for predetermined time, then there is provided a method for automatically correcting the relating data C1, C2 and C3 which are memorized in memory devices, on the basis of these detected values measured by the device 68 for detecting numbers of revolutions under the unloading condition and the detected values measured by the opening sensor 63.
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