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5- Operation
Cleaning
General information
In order to derive full benefit from the sprayer for many years, the following service and maintenance
program should be followed.
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ATTENTION! Read the different chapters carefully. Before carrying out an inspection or a repair, first read the relevant
chapters. If any part remains unclear or requires facilities which are not available, then for safety reasons please
contact your HARDI dealer's workshop.
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ATTENTION! Clean sprayers are safe sprayers. Clean sprayers are ready for action. Clean sprayers cannot be damaged
by pesticides and their solvents.
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ATTENTION! Before cleaning, read the chapter on the filling/cleaning area
Guidelines
• Read the instructions carefully for the products that you use. Take note of any particular instructions regarding your
protection, deactivating agents etc. Read the detergent and deactivating agent instruction labels. If cleaning
procedures are given, follow them closely.
• Be familiar with local legislation regarding the storage of pesticides, washing them, mandatory decontamination
methods etc. If in doubt, contact the appropriate local department, e.g. department of agriculture.
• Rinsing of pesticides usually takes place in a cleaning field. This is a field that is not used for crops. No liquid flow or leak
should reach streams, ditches, wells, springs etc. Use an appropriate cleaning area with a hard, impenetrable surface
(concrete), with drainage to a tank to avoid unexpected contamination of the groundwater. The rinsing water should
be diluted and spread over a larger surface to ensure biodegradation. Always respect the applicable local legislation.
• Cleaning starts with the calibration, as a well calibrated sprayer will ensure the minimal amount of remaining spray
liquid.
• Get into the good practice of cleaning the sprayer immediately after use. It will be safe and ready for the next spraying
job. This also prolongs the life of its components.
• It is sometimes necessary to leave spray liquid in the tank for short periods, e.g. overnight, or until the weather becomes
suitable for spraying again. Unauthorised persons and animals must not have access to the sprayer under these
circumstances. See also Parking the sprayer on page 50.
• If the product applied is corrosive (e.g. liquid fertilisers), it is recommended to coat all metal parts of the sprayer before
and after use with a suitable rust inhibitor.
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