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3.1.1 PLANTER SOWING UNIT
1-
Seed hopper.
2-
Metering box provided with a selector to adjust the seed
distribution.
3-
Planting depth controller.
4-
Lever to adjust the pressure that the furrow closing wheels
exert onto the ground.
5-
Lever to adjust the angle which affects the bearing of the
furrow closing wheels on the ground.
6-
Furrow closing wheels : they cover the furrow where the
seed has been placed.
7-
Planting depth control wheels.
8-
Double disc furrow opener or seed discs: it forms the
furrow in which the seed will be placed.
9-
Clod remover: prevents the clods from being in the way
of the planting depth control wheels.
10-
Blade: helps to break the superficial earth crust.
11-
Transmission group: transfers the main axle’s motion
to the metering box in order to turn the seed disc.
12-
Parallelogram: allows the metering units to move
vertically to adapt to the terrain’s irregularities.
13-
Lever to adjust the unit’s pressure: it adjusts the load
pressure exerted by the double-disc opener (8) onto the
ground.
14-
Coupling mechanism: it allows to couple the unit
in raised position in order to exclude it.
Fig. 3.5
Fig. 3.5
1
2
3
4
5
6
7
8
9
10
11
13
14
12
PROSEM K
3.1.2 SEEDER SOWING UNIT
1-
Metering unit’s pressure spring: it adjusts the load pressure
exerted by the double-disc opener (3) onto the ground.
2-
Blade: helps to break the superficial earth crust.
3-
Double disc furrow opener or seed discs: it forms the
furrow in which the seed will be placed.
4-
Depth control wheel.
5-
Depth controller.
6-
Adjustable scraper.
Fig. 3.6
Fig. 3.6
1
2
3
4
6
5
DOUBLE DISC