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What are the common faults of battery-powered knapsack sprayers

Views:322     Author:Site Editor     Publish Time: 2021-11-02      Origin:Site

What are the common faults of battery-powered knapsack sprayers


A battery-powered knapsack sprayer is an appliance that uses air suction to turn medicines or other liquids into mist and spray them evenly on other objects. It is composed of a compressed air device, a thin tube, and a nozzle. The battery-powered knapsack sprayers have the characteristics of low power consumption, lightweight, and high efficiency. Let's introduce in detail what are the common faults of the battery-powered knapsack sprayersduring use, and how to solve them when a fault occurs.


Here is the content list:

  • Low water pressure

  • Liquid pump does not work

  • Poor atomization effect

  • Penetrating liquid

  • Charging failure


Low water pressure

The power of the battery-powered knapsack sprayers is normal, but the pump does not deliver water or the water pressure is low.

① If the suction filter is clogged, remove the blockage; if the suction filter is damaged, replace it with a new one. ② If the diaphragm of the liquid pump is damaged, a new one should be replaced. ③The pressure limiting valve is damaged, replace it with a new one.


The liquid pump does not work

Turn on the power, but the battery-powered knapsack sprayers' liquid pump does not work.

① The battery is insufficient and should be charged in time. ②The power cord is in poor contact. Tighten the connectors of the power cord. ③The connection between the hydraulic pump and the motor is stuck, and lubricating oil should be added to the connection. ④ If the motor is damaged, repair or replace the motor.


Poor atomization effect

The battery power of the sprayer is sufficient, and the spray atomization is not good.

① If the nozzle is blocked by foreign matter, the blockage should be cleaned up. ②The nozzle hole is worn or broken, replace the nozzle. ③The handle switch valve is stuck and damaged. Replace the handle switch.


Penetrating liquid

The bottom of the battery-powered knapsack sprayer's liquid tank is leaking.

① The connection of the inlet and outlet pipes of the liquid pump is loose, and the connection of the inlet and outlet pipes should be reinforced. ②The casing of the liquid pump is broken, replace the casing of the liquid pump. ③If the diaphragm is damaged, replace it with a new one.


Charging failure

The power supply of the battery-powered knapsack sprayersis normal, but they cannot be charged.

① If the wire short-circuit fuse is burned out, a new fuse should be replaced. ② If the charger is damaged, it should be replaced with a new one. ③The battery is damaged, replace it with a new one.

It is inevitable that the battery-powered knapsack sprayer malfunctions due to various reasons during use, but as long as you pay more attention to it, pay attention to maintenance, understand the cause of the malfunction, and repair methods, you can use it smoothly.


Taizhou Guangfeng Plastic Co., Ltd is a company specializing in the production of sprayers. If you want to know more about it, you can consult us.


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Taizhou Guangfeng Plastic Co.,Ltd is specialized in manufacturing agriculture knapsack sprayers and garden sprayers for more than 28 years.Products exported to over 50 countries and our brand Farmguard shares great fame in the world. If you want to know more, welcome to contact us.

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