What are the precautions for hand sprayers?

A hand sprayer is a tool that uses human power to spray liquid medicine, that is, a spray device that forces the liquid medicine to be sprayed through a hydraulic nozzle by manual pressure, and collides with the outside air to disperse into mist droplets. When the hand sprayer is used for the prevention and control of plant diseases and insect pests such as landscaping, the hand sprayer also belongs to the category of garden machinery. Moreover, the hand sprayer is also the most commonly used pesticide applicator in agriculture. It can be used to prevent and control crops such as grain, cotton, vegetables, and fruit trees; it can also be used for sanitation and epidemic prevention. Therefore, it is an indispensable and important link to deeply understand and master the use methods and precautions of manual sprayers.

Here is the content list:

l Use after soaking

l Vertical up and down movement

l Safe operation regulations

Use after soaking

The new piston of the hand sprayer should be immersed in engine oil or animal oil before use, and then used after soaking for 24 hours. When installing the piston assembly into the pump barrel, pay attention to first place one side of the sprayer cup into the pump barrel, and then rotate it to make the plug rod vertical, and use the other hand to help press the edge of the cup into the pump. It can be loaded smoothly in the cylinder, avoiding hard stuffing.

Vertical up and down movement

When the hand sprayer is inflated, the action should be continuous without impact. Keep the plug rod moving up and down in the pump barrel. Don’t be skewed. It should be slow when pumping up and fast when pressing down, to increase the pumping liquid (gas) volume of the piston. When the liquid reaches the safety water level line of the air chamber (or the pressure plug rod is exhausted), the pump (liquid) gas should be stopped to prevent the air chamber from bursting due to excessive pressure.

Safe operation regulations

Before work, operators must understand the toxicity of pesticides and how to use them. When spraying pesticides with a hand sprayer, they should wear tight-sleeved overalls, shoes, hats, and gloves. After spraying, they should use soap and water to wash all parts of the body that come in contact with the liquid.

Hand sprayers have the characteristics of simple structure, convenient operation, and wide applicability. The current hand sprayer mainly includes knapsack sprayers, compression sprayers, single-tube sprayers, and pedal sprayers. In the process of spraying pesticides with manual sprayers, the gas released by pesticides will cause great harm to human health. Therefore, for the sake of safety, you should pay attention to safety when using manual sprayers.

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