Layout and function
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63
5.13 Metering
The seed is carried in the seed box. The seed goes into the seed housing through adjustable open-
ings (Fig. 55/1). Each seed housing has an opening. The opening size is adjusted with the sliding
shutters.
The seed is metered either by the normal seed
metering wheel (Fig. 55/2) or the fine seed me-
tering wheel. The normal seed metering wheel
can be immobilised for fine seeds.
For normal seeding, both seed metering wheels
rotate.
The metering wheel conveys the seed to the
edge of the bottom flap (Fig. 55/3). The metered
seed travels through the seed tube to the seed-
ing coulter.
Fig. 55
Before beginning seeding,
the following values, depending on the seed type, must be taken from the Table "Setting values"
(page 64) and set:
Normal seed metering wheel, fine seed metering wheel or bean metering wheel
Sliding shutter position
Bottom flap position
Agitator shaft support.
perform a calibration test.
If the seed is not listed in the "Setting values" table (page 64), take the setting values for a seed with a
similar shape and size.
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