ANDREOLI ENGINEERING
Operator’s Manual
Self-propelled sprayer ATOM
Periodically verify that the pressure gauge and the sensors are accurate , as a correct pressure means a correct
nozzle flow and the quality of the application .
The electronic display in the cab and the automatic controller (if fitted) show the pressure of the chemicals
circuit, reading the signals of the pressure sensors. These pressure sensors are calibrated from the
manufacturer.
The machine is also equipped with a mechanical pressure gauge.
To check the accuracy it is necessary to fit a standard sample gauge replacing the mechanical one to check
the sensors or replacing a sensor to check the mechanical one.
It is also useful to check periodically the effective pressure on the nozzles, fitting a standard sample gauge to
the nozzles and reading the pressure loss between the gauge manifold and the nozzles.
The machine is designed to reduce the pressure loss to the minimum, normally not exceeding 1 bar.
When calculating spraying pressure, always consider pressure losses between the sensors and the
nozzles as all the calculations for the spray rates are made considering the pressure measured on the
nozzles.
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