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10 unigreen
4.4 TRACTOR COUPLING
The tractor must have 1”3/8 ASAE DIN 9611/A power-takeoff that runs at 550
rpm. It must have a 3-point elevator suitable for safely supporting the weight of
the atomiser.
Check this by consulting the table of allowed fittings N° 14A-15A-16A (pages
37, 38, 39).
WARNING: make sure there are no persons or things near the atomiser
before starting the machine and while you are using it.
4.4.1 THREE-POINT COUPLING
a) We recommend carefully checking that the tractor is suitable for supporting
the weight of the fully loaded sprayer safely.
The total weight of the sprayer with all of its accessories and fittings is indicated
on the nameplate in FIG. 2 and also (in the version with the maximum fittings
allowed) in tables N° 14A-15A-16A (pages 37, 38, 39).
For verification use the formula shown here.
Non-observance can result in a very dangerous situation as the tractor will lose
steering sensitivity and can tip over when driving uphill or over bumps.
b) Check the diameter of the elevator coupling pins. If necessary position the
double diameter pins correctly; there are also appropriate adapter bushes
available.
c) Adjust the length of the third point tie-rod correctly so the sprayer is
perfectly vertical in normal working position.
d) Check for the presence of the safety pins that stop the arms of the tractor
jumping off the connecting pins.
4.4.2 HYDRAULIC CONNECTION TO THE DISTRIBUTORS
Machines that need a hydraulic connection to drive the movements of the
cannon are equipped with 1/2", “Push-Pull”, quick-fit male couplings. You can
connect the pipes by simply pushing them in, making sure you:
- do so only with the engine turned off;
- lower any tools connected to the elevator of the tractor;
- carefully clean the two parts that will be coupled
Warning: the hydraulic cylinders used are the “Double Effect” type.
Consult the use and maintenance manual of the tractor.
Tractor coupling
FIG. 4
FIG. 5
M x s < 0,2 T x i + Z x (d + i)
i = tractor wheelbase
d = distance from the front axis and the ballast
s = overhang from the rear axle of the
operating machine
T = mass of the tractor + operator (75kg)
Z = ballast mass
M = sprayer mass