Assembly and function
Cirrus 3/4/6000 DB2034 08.04
43
4.3 Seed level sensor
The seed level sensor monitors the seed level in the
seed hopper. If the seed level reaches the seed level
sensor an alarm message (Fig. 53) appears in the
display of , simultaneously a horn
sounds. This alarm reminds the tractor operator to
refill the hopper on time.
Fig. 53
The height of the filling level sensor (Fig. 54/1) can be
adjusted in the seed hopper. This allows to set the
seed residual amount which will trigger the alarm
message and the alarm signal.
Fig. 54
4.4 Star wheel
Via the Vario gearbox the star wheel drives the
metering rollers in the seed metering system.
The drive rev. speed of the metering rollers
• determines the seed rate
• can be infinitely variably set on the Vario gearbox
via .
For this adjusts the gearbox lever.
The higher the setting value on the scale on the
Vario gearbox, the bigger the seed rate will be.
Via the star wheel the travelled distance can be
measured. requires these data to
calculate the forward speed and the worked area
(hectare counter).
The star wheel controls the creation of tramlines. After
approx. 5 seconds after the star wheel has been
swivelled upwards, e.g. when turning at the headlands,
the tramline counter shifts on.
Fig. 55
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