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3.5 REGULATIONS
3.5.1 DISTRIBUTOR (Fig. 26)
The volumetric distributing device, GRINTA, is essentially compo-
sed of four elements for seeds distribution:
A)
aluminium monobloc frame;
B)
agitator element;
C)
dosing rollers;
D)
Feeler pin.
MONOBLOC FRAME
The monobloc frame is made of aluminium and offers the following
main advantages:
- realization of very high precision and high quality over time;
- resistance to the effects of UV rays or to the problems of harsh
autside temperatures;
- high resistance to corrosion;
- quick simple maintenance: in a few minutes we can completely
remove the components of the doser without fully unscrewing the screws, using just one spanner.
AGITATOR ELEMENT
Guarantee of continuous feeding to the dosing rollers.
The agitator has a diameter of 85 mm and consists of 4 elements (curved pins). If the agitator is running too fast, its mixing effect
can be halved, by removing the two center
pins.
The agitator can be disabled by simply re-
moving the drive belt.
- To disable the agitator, lift the round belt
above the edge of the drive pulley and, on
the opposite side, rotate the dosing roller
in the driving direction. The belt will come
off (Fig. 27).
- Simply leave the belt on the drive shaft
(Fig. 28).
(To fi t the belt, see chapter on dosing rol-
ler)
DOSING ROLLERS
- Large diameter to reduce the number of revolutions and avoid fertilizer load losses;
- High number of cells arranged in a steggered pattern to guarantee uninterrupted delivery;
Assembling and disassembling the dosing roller
All the dosing rollers are compact units constructed in a single block (except for the fi ne seeds dosing roller, yellow).
Never fi t dosing rollers with screws loosening the handwheel! The radial precision of the wheels, which are calibrated after
assembly, could be damaged!
Always use gloves: after calibration, the new dosing rollers could have sharp edges that might injure the operator!
64 - EN
USE AND MAINTENANCE
fi g. 27
WARNING
A
B
C
D
fi g. 28
cod. G19503231
fi g. 26
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