Before starting the spraying work, agitate the tank content for a few minutes to obtain a homogenous liquid. To do this, apply a higher PTO speed, set the four-way valve of the suction unit to "suction from tank" and set the pressure selection valve to "agitate". As standard, the agitators work under a higher pressure, because the pressure before the pressure selection valve is always higher. Set the circulation valve to "return to tank."

CAUTION: Do not turn on the machine until you are sure nobody is in the danger zone.

First, set the spray boom to the required height (see table). This is highly dependent on the type of nozzle chosen. The correct height of the selected nozzle is vital for a good overlap of the spraying ranges to achieve a uniform coverage.

The height must be set in relation to:

• the soil, for spraying prior to emergence of the crop (pre emerge)
• the top of the crop, for crop spraying (post emerge)

Optimal spray boom height in relation to the spray angle of the nozzles:

Select the correct gear and engine speed and adjust the required spraying pressure (in manual mode) or enter the target application rate on the computer (in automatic mode). Open all sectional shut-off valves. By opening the master shut-off valve upon entering the spraying tramlines, the spraying is started.

To spray the solution tank empty or to prevent foaming of liquid, it is possible to set the pressure selection valve to "chemical inductor" position in order to maintain a pressure build-up in the system, the circulation valve needs to be set to suction side of the pump. This allows to spray the solution tank completely empty.

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