5 - Operation
5.18
In the following diagram, valve positions for different options are described.
Inevitably a quantity of spray liquid will remain in the system. It cannot be sprayed properly on the crop, as the pump
takes in air when the tank is about to be empty.
This Technical Residue is defined as the remaining liquid quantity in the system as the first clear pressure drop on the
pressure gauge is read.
The residues in the tank should be diluted immediately in the relationship 1:10 with clean water and sprayed onto the
crop just sprayed before cleaning the sprayer.
Technical residue
Quick reference - Cleaning
The drain valve is located and operated from the left hand side of
the sprayer near the boom transport bracket. Pull the string to open
the drain valve. The valve is spring-loaded, but can be kept open by
pulling the string upwards in the V-shaped slit. To release, pull the
string downward and the valve will close automatically.
If draining residues, e.g. liquid fertilizer into a reservoir, a snap-cou-
pler with hose can rapidly be connected to the drain valve and the
liquid safely drained.
Using the drain valve
Spray Technique - see separate book.
Optional extras - see separate books.
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