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4.6 System cleaning when the main tank is empty
Before cleaning the system when the main
tank is empty, first carry out the internal
cleaning of the main tank and afterwards
the internal cleaning of the chemical
inductor. The internal cleaning of the
chemical inductor is not necessary if it has
already been done as recommended
during the external filling of the main tank
with the suction hose.
− Put the filling valve or filling valves (1) in
the “suction from selection valve”
position.
− Put selection valve (2) in the “clean
water tank” position
− Put the distribution valve (3) in the
“spraying” position.
− Put the main switch (5) of the on-board
computer or operating terminal in the
"spray boom OFF" position.
Operate pump(s) at maximum speed of
540 rpm.
− Draw in approx. 1/3 of the content of the
clean water tank in the stand into the
main tank.
− Put selection valve (2) in the “main tank”
position
− Agitate the content of the main tank.
− Put the main switch (5) of the on-board
computer or operating terminal in the
"spray boom ON" position.
− Distribute the content of the main tank in
small quantities on the field.
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