Honda Power Products WJR2525 Manual De Explicaciones página 53

During operation
• Do not point the nozzle at others.
• Pay attention to the rest of chemicals in the tank.
To prevent the use of the backpack sprayer without sufficient amount
of chemicals in the tank, as soon as the nozzle has stopped spraying
chemicals, stop the engine, or the pump may be damaged.
Fill 1 Liter or more chemicals into the chemical tank (see page 36).
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