Gaspardo ORIETTA Gebrauch Und Wartung Seite 79

PROBLEMS
incorrect amount of seeds – 1) Residual seeds have remained in the area under the
miscellaneous causes
2) The distance between the seeds is not regular or
3) The holes in the disc tend to get clogged very easily.
4) Seeds are not planted in the fi rst meters of soil.
miscellaneous 1) The planting disc has deep cracking and scoring.
2) Residual seeds are not aspirated by the distributor
3) The wheels in the planting unit do not turn.
irregular distribution of che- 1) The MINIMAX distributor and/or the gearboxes are
micals
(fertilizer and micro granu- 2) The specifi c weight of the product is different from
lated products)
3) Non-granulated products have been used (powder).
4) The down pipes are bent (elbow) and/or clogged
5) The furrowing element is clogged.
6) The seed distributor is fouled with deposits.
7) The protection grid has been installed incorrectly
8) There is fertilizer on the surface.
row marker not working or 1) Dirt is present in the hydraulic system.
malfunctioning
2) The row marker arms rise very fast (damage to the
cod. G19502812
USE AND MAINTENANCE
CAUSES
distributor.
the emergency device is not in good condition.
hopper.
set incorrectly.
that specifi ed in the table.
with deposits.
(after maintenance).
frame).

SOLUTIONS
1) Check that the cover is closed. Check that the
seal is not worn. Check that the disc is in the cor-
rect position (the pins must face the distributor).
2) - Check that the cutting edge is not worn and
creates a deep and sharp furrow.
- Check the seed-covering harrows and set them.
- Check the seed-covering wheel and set it.
- Check that the cavities in the coulter are not
clogged by earth or residues.
3) Check that the pressure of the air blow-off is
correct.
4) Before starting planting operations, engage the
vacuum pump and let the wheels turn to load the
seed distributor.
1) Check that there is no foreign matter in the distri-
butor. Check the seals.
2) Check that the cock of the seed aspirator is open.
Increase the revolutions of the fan and ensure
that the vacuum channel is free from clogging.
3) Check the position of the soil scraper. Replace
the bearings, if they are worn.
1) Refer to the distribution table and correct the
setting.
2) Use the values in the table for the new specifi c
weight of the product.
3) Powder products are not suitable with this type
of distributor. Change the product.
4) Check the pipe length: shorten or stretch the
pipes. Clean.
5) Clean.
6) Clean.
7) Check the position (a 1 cm opening must be
visible at the back).
8) Increase the disc contact strength and apply a
counterweight to the seed drill frame.
1) Clean the change-over valve and the nipple with
a calibrated hole that is installed on the hydraulic
cylinders of the row marker arms (if fi tted).
2) Adjust the fl ow controllers to calibrate the system
correctly during row marker arms rise.
ENGLISH
Notes
EN - 79