Knapsack type mobile mist sprayer is a high-efficiency, multi-purpose plant protection machine that can perform operations such as misting, dusting, scattering, spraying, fire-breathing, and ultra-low volume spraying. Adapt to the prevention and control of pests and diseases of agricultural and forestry crops, weed control, sanitation and epidemic prevention, elimination of storage pests, spraying of granular fertilizers, and spraying of small seeds. With compact structure, small size, light weight, a multi-purpose machine, high range, spray uniform, easy operation and so on. Its operating points are as follows: Before work, check the connection parts, sealing parts, and switch controls, etc., to ensure they are loose and leaking. 2. Fully prepared wearing parts to ensure the normal operation of equipment and improve reliability. 3. In strict accordance with the requirements of the mixing ratio and type of lubricants, pay attention to the uniformity of the mixture, so as to avoid poor lubrication, resulting in early failure of the mechanical parts. 4. The drugs and powders to be used must be sieved and the liquid agent must be filtered to prevent clogging of the switches, pipes or nozzles by clumps. 5. Prior to dosing, the switch to control the drug should be closed; after dosing, the lid should be tightened. 6. When operating, first slowly mention the throttle control handle of the gasoline engine to the position of the required rotation speed. After a short period of stable operation, open the control drug switch to spray. When the spraying stops, turn off the drug switch first and then close the gasoline engine throttle. 7. Under normal circumstances, do not stop adding drugs, but the gasoline engine should be in a low-speed state, and pay attention not to allow drugs to overflow, so as not to wet the engine, magneto and fan casing, corrosion of the body. 8. The concentration of the liquid used in the misting operation is relatively large, and the sprayed spray is fine and dense. When the switch of the handle is turned on, the spray nozzle should be sprayed evenly to spray evenly, and it must not be stopped in one place to prevent phytotoxicity. Ultra-low-volume spraying operations shall be performed according to specific technical requirements. When using a long film dusting, first discharge the film tube from the winch to the required length, then gradually increase the throttle, and adjust the powder door to spray, while gently swinging the winch up and down to uniform the dusting. Do not pull hard when placing the thin film tube. Weeds, mud sand, etc. should not be put in when put away. 10. When the smoke is sprayed, the gasoline engine runs at a low speed to preheat the smoker, and then slowly opens the smoke switch to adjust the aerosol supply to a proper fuming concentration. When the smoke is sprayed, the gasoline engine is controlled to run at a medium speed. When it is stopped, the smoke switch is turned off and then the machine stops. 11. When the fire is blown, the medicine box contains diesel fuel (no gasoline is available). First, the firewood of the firewood or diesel fuel is ignited, the head of the firebox is heated, and then the gasoline engine is started, controlled at a medium speed, and slowly opened. Hand switch, so that the flow of diesel fuel to the nozzle atomization ignition flame, pay attention to adjust the switch, control the appropriate amount of fuel and air flow, so that the strong flame and white spray. When it is stopped, turn off the handlebar switch first and stop the flame until the flame is completely extinguished. 12. When spraying higher crops, the speed may be higher, but try to avoid continuous high-speed engine operation for a long time. 13. Observe the wind direction for safe operation. When spraying poisonous pesticides, protective equipment must be provided. The working time for each person should not be too long, and the back-up machine should be properly rotated to ensure personal safety. 14. After the work is completed every day, the medicine boxes, pipes, and switch assemblies should be promptly cleaned, and the oil dust on the surfaces of the machine tools should be cleaned to check if the screws of each part are loose and lost. At the same time, the petrol engine maintenance regulations are to maintain the gasoline engine.
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