| 摘要 |
PURPOSE:To eliminate errors such as misoperation or misreading of data, by selecting a sensor with a selection switch. CONSTITUTION:When examining the operation of a cover sensor 16, after a selection switch 35 of an inspector 26 is set to the 'deep tillage' position, a rear cover 4a is oscillated by a hand and lamps L1, L2 and L3 lights each time the angle of oscillation reaches 10 deg., 30 deg. and 50 deg.. When examining the operation of an inclination sensor 14, after the selection switch 35 is set to the 'inclination' position, the body 1 is jacked up to be inclined and the lamps L1, L2 and L3 light each time the angle of inclination reaches -10 deg., 0 deg. and +10 deg.. In other words, the selection of respective sensors S is possible by the operation of the selection switch 35 while the propriety of the sensors S can be judged depending on the lighting of one group L of check lamps.
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