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5 CLEANING
5.1 Rough cleaning
The rough cleaning must be done as a matter of principle
after completion of the
spraying work on the field before “drying-in” of the remaining mixture can occur.
See also the sections “System cleaning when the main tank is empty” and
“Internal cleaning of the chemical inductor”.
Fill the empty field sprayer with 40 – 50 litres of water using the valve for the
internal cleaning.
Flush the pump, main tank, lines, fittings, boom and nozzles well. Afterwards,
spray the cleaning liquid in the final or not yet treated condition in manual
operation at increased vehicle speed and reduced spraying pressure. The boom
section valves, lines in the boom and the nozzles are also flushed here.
Repeat this procedure twice.
The intensity of the internal cleaning can be increased if the distribution valve is
set to the “chemical inductor”. Approved cleaning additives can be used for
stubborn dirt.
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