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USE AND MAINTENANCE
58
ENGLISH
g
cod. G19503100
3.7 SEEDER POSITION
It is important to adjust the position of the planting unit correctly
on the supporting equipment when in the field.
DANGER
Positioning the seeder on the equipment is an extremely
dangerous phase. Proceed with extreme caution and carry
out the operation scrupulously adhering to the instructions
provided.
1) Before positioning the seeder, it is important to place the
equipment in the position in which it is to operate.
2) Adjust the points (A, Fig. 35) of the planter so that the seeding
elements are raised by a few centimetres from the ground.
This position is the zero point of the position setting. When
you are in the field, you should lower the planter by adjusting
the points (A, Fig. 35) again until the required planting depth
is reached.
ATTENTION
If the operating position of the equipment needs to be changed,
re-position the seeder by proceeding as described earlier in
point 2).
3)
Adjust the height of the tractor lifting arms:
a) In the work position, adjust the path of the tractor hoisting arms
to guarantee adequate downward movement of the planting
unit. Otherwise, when hollows are encountered in the seedbed,
seed distribution could be irregular due to the seed planting
unit transmission wheels slipping (planing effect).
b) In the transporting position, adjust the arms so that the seeder
does not, for any reason whatsoever, come into contact with
the ground.
3.7.1 ADJUSTING THE SEEDING DEPTH
To obtain a good level at which sprouts come out, the seed needs
to be placed at the right depth into the seeding bed. The planting
depth is obtained mainly by moving the side adjusters of the
parallelogram (A, Fig. 35).
CAUTION
The graduated indicator (B, Fig. 35) does not show the planting
depth. Its purpose is to position the two arms at the same
height from the ground.
The pressure of the planting devices is also adjusted individually
with the nut (D, Fig. 36) that allows the tension of the spring to be
adjusted. The screw (C) acts as a limit switch for each furrow-
opening element. To obtain regular sowing, calibrate the limit
switch (C) to the same measurement for all furrow-opening
elements.
3.7.2 PLANTER WHEEL TRACK ERADICATORS
The wheel track eradicators should be placed on the same line as
the tyres of the planter. To adjust the depth of the wheel track
eradicators, varying the position of pin (A, Fig. 38).
fig. 35
fig. 36
fig. 37
B
A
C
D
fig. 38
A
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