OPERATORS HANDBOOK 8
MAINTENANCE
After use the sprayer must be thoroughly decontaminated, inside and outside – including pump,
hoses, boom and hand lance to avoid damage to crops from harmful spray residues and to the
sprayer from corrosion or abrasion. As a guide following the decontamination procedures below:
1. After spraying, the tank, pump, hand lance and spray hose should be ushed by running it with
clean water, plus a recommended cleaning uid. It is best to clean sprayers in the eld or area just
treated. This avoids the difcult problem of disposing of the dilute washings.
2. The ller basket strainer must be removed from the tank and soaked in clean water and brushed
with a soft nozzle brush to remove trapped particles.
3. The suction strainer or foot strainer at the end of the suction line can be simply removed and
cleaned in the same way as the ller basket strainer – replace by inserting the hose tail back into
the suction line.
4. Nozzle lters (if tted), nozzle tips, nozzle caps and gaskets should be cleaned by soaking in
water, brushing with a nozzle brush and allowed to dry. Never blow through nozzles with your
mouth, nor use wire or pins to clear any blockages.
5. When re-assembling ensure that the quick t nozzle cap gasket is correctly positioned.
Unscrew the hand lance grip and remove the lter screen and clean the same way as described
for the suction lter. Ensure that the o-rings do not become displaced during cleaning.
Re-assemble the hand lance ensuring that the lter screen is correctly aligned in the handle body
before the hand lance grip is screwed back.
6. When storing the unit ensure that it is clean and dry and kept in a well ventilated place.
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