horsch LEEB PT 330, Operating Instructions Manual

Page: 153 / 203

11.5.3 Draining off technical
residual quantities
A shut-off valve and port is provided to the left of
the illuviation valve for the residue drain of the
technical residual quantities.
Port with cap
¾
Take off the covering cap.
¾
Drain the residual quantity off into a suitable
vessel. For this purpose open the mechanical
shut-off valve.
¾
Activate the residue drain function on page 3
on the external control terminal.
Mechanical shut-off valve
¾
After draining, deactivate the function on the
terminal and close the shut-off valve again.
¾
Properly dispose of the collected residual
quantity (see chapter 11.5.2)!
NOTE
Close the connection with the covering cap
again each time it has been opened!
11.5.4 Diluted residual quantities
Perform the dilution and spraying out of residual
quantities from the spraying mixture container
after the end of spraying operation as follows:
Procedure
1. Spray the undiluted residual quantity from the
spraying line on an untreated residual area.
2. Dilute the residual quantity in the spraying
mixture container with 200 litres of fresh water.
3. Spray the diluted residual quantity also on an
untreated residual area.
4. Repeat steps 2 and 3 for a second (if neces-
sary a third) time.
Diluting the residual quantity
1. Call up the cleaning menu on the main control
terminal.
2. Select the submenu Dilute the spraying
mixture or recirculate fresh water into the
spraying mixture container.
3. Select the ratio of fresh water to spraying
mixture.
4. Start the process.
In case of multiple nozzle systems all exist-
ing nozzles must be opened for cleaning.
There is a risk of deposits if this instruction
is not followed!
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