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Seed switching sensors
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Sowing switching is switched off and off by two sensors.
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The system is designed so that sowing is switched at the beginning of the countersinking. Before the
seed passes through the entire pneumatic distribution system, the machine is recessed and it is
minimalized the sowing start delay at the start of the journey.
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On the contrary, sowing is switched off at the very beginning of excavation.
Sowing switching
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Switching is secured by an antenna sensor. The antenna sensor is set to close right at the beginning of
the countersinking.
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If the sensor is in a horizontal position (as in the picture), it means that the machine is in the working
position.
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The moment at which the sowing is switched on depends on the position of the sensor set between the
seed frame and the main machine frame.
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If the seed section frame is in the upper position, the sensor must be in the closed position.
Sowing off
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The sowing is switched off by a pressure sensor, which is located on the hydraulic circuit for raising the
seed section.
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The sensitivity of this sensor is set to a pressure of 100 Bar.
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When excavating the machine, oil pressure is supplied to the hydraulic distributor, when the set value is
reached, the switch is closed and the motors of the seed and fertilizer metering units are deactivated.
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For this reason, move the hydraulic control lever to the float position after deepening the machine into
the working position.
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The sensitivity of the pressure and antenna sensor is set by the manufacturer as standard. Settings may
only be changed by a specialist.
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