5 - Operation
49
Cleaning
General information
So that your sprayer gives you satisfaction for many years, carefully follow the programme of checks and maintenance below.
IMPORTANT! Read the various sections carefully. Before making a check or a repair, read the sections concerned
carefully. If you do not understand a point or if the work requires a tool which you do not have, for the sake of your
own safety, call your HARDI dealer.
IMPORTANT! A clean sprayer is a safe sprayer. A clean sprayer is ready for use. A clean sprayer will resist corrosion from
pesticides and their solvents.
IMPORTANT! Before you do any cleaning, also read the section on Filling/cleaning zone - Rules page 41
Recommendations
1. Read the instructions for the products you are using. Follow the instructions relating specifically to your protection,
neutralising agents, etc. Read the instructions on detergents and neutralising agents. If a cleaning procedure is
prescribed, follow it.
2. Comply with current legislation with regard to storage of pesticides, washing away residue, compulsory
decontamination, etc. If there is any doubt, seek advice from local bodies (the chamber of agriculture, for example).
3. Pesticides are usually rinsed away in a cleansing area. This is an area not used for crops. No flows or leaks of mixture
must be allowed to reach water courses, ditches, wells, springs, etc. Use a suitable cleaning area with a hard,
impenetrable surface (concrete), with drainage to a retention pond to avoid accidental contamination of the water
table. Rinsing water must be diluted and spread over a wider area to ensure it biodegrades. Always comply with current
legislation.
4. Cleaning starts with calibration, because if the amount of spray has been correctly calibrated, there will only be a small
amount of mix left in the tank at the end of spraying.
5. Get into the good habit of cleaning the sprayer immediately after use. It will be safe and ready for the next application.
And you will prolong the life of its components.
6. It is sometimes unavoidable that mix is left in the tank for a short time, overnight or while waiting for the weather to
improve. The sprayer should then be parked away from people and animals. See also Safety instructions page 37.
7. If you use corrosive products (liquid fertilisers, for example), protect all metal parts on the equipment with a rust
protection product before and after treatment.
IMPORTANT! To spray the rest of the diluted mix on the field that has just been treated, it is advisable to increase the
forward speed (go at twice the speed, if possible) and reduce the pressure to 1.5 bar.
IMPORTANT! If you clean the sprayer with a high-pressure sprayer, the equipment should be greased again all over.
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