Backpack gasoline-powered sprayers are popular among professional pest control organizations and farmers because of their simple and convenient operation, high operating efficiency, and wide range of applications. However, if they are used improperly, it will not only affect the efficiency and quality of the operation, but also aggravate the wear of the parts, shorten their service life, and even cause poisoning accidents. Therefore, when operating a backpack gasoline-powered sprayer, the following points should be noted:
1. Use special engine oil. There are now bulk engine oils on sale everywhere in the market, and the price is much lower than bottled engine oil, but its lubrication performance is poor, which can easily lead to large wear and tear of parts and many failures.
2. Strictly match the fuel in proportion. The backpack gasoline-powered sprayer uses a mixture of engine oil and gasoline in a ratio of 1:20. The manufacturer is equipped with a mixing bottle for oil mixing. When using it, add fuel strictly in proportion, which can ensure that the parts are fully lubricated and the fuel can be fully burned.
3. The medicine should be scientifically prepared. When dispensing medicine, first add 1/3 of clean water to the medicine box, then add the medicine, stir with a stick until the liquid medicine is completely dissolved, and then add clean water that accounts for 4/5 of the volume of the medicine box. This can prevent the powdered pesticide from settling in the infusion tube or clogging the nozzle due to incomplete dissolution; if the flushing is not timely or thorough, it will also accelerate the oxidation and rusting of parts.
4. The backpack gasoline-powered sprayer uses gasoline, and smoking is prohibited during operation. After adding fuel, confirm that there is no oil leakage from the fuel tank and the fuel system of the machine, and then move the machine more than 3 meters away before starting.
5. When starting the backpack gasoline-powered sprayer, first adjust the throttle to a low gear, run it at a low speed for three to five minutes, and then gradually increase the throttle to the appropriate position; when stopping, also gradually reduce the throttle first, and close the throttle after running for three to five minutes; during use, avoid suddenly increasing or decreasing the throttle, or suddenly stopping.
6. Backpack gasoline-powered sprayers have good atomization performance and high concentration of liquid medicine. When working, you must wear protective equipment and drive with the wind to prevent the applicator from inhaling liquid medicine and being poisoned.
7. After each operation, turn off the fuel switch in time to prevent the residual oil in the fuel tank and carburetor from clogging the oil line. When idle for a long time, drain the fuel in the fuel tank and carburetor, remove the surface oil and dust, dry it, apply engine oil to the rust-prone parts, cover with a film, and store it in a ventilated and dry place.
Recommend several backpack gasoline-powered sprayers
1. CRAFTOP GS768 Gasoline Knapsack Sprayer

Parameter:
- Fuel tank capacity: 1L;
- Chemist tank capacity: 25L;
- Spraying horizontal range: 15m;
- Spraying vertical max height: 10m.
Feature:
-Perfect match and super long life: matched with high-quality power pump to ensure stable and long-lasting spray effect.
-Power stability: Strong power ensures consistent pump pressure.
-Thickened copper pump: The plunger life is up to 100 hours, far exceeding similar products.
-Applicable to multiple scenarios: Suitable for various purposes such as agriculture, health and epidemic prevention, and post-disaster environmental disinfection.
2. CRAFTOP Gasoline Mist Duster GMD3WF-3, for Triple Purpose

Parameter:
- Fuel tank capacity: 1.5L;
- Chemist tank capacity: 14L;
- Engine: 41.5 cc 2-stroke gasoline engine.
Feature:
- The GMD3WF-3 can spray 3 types of materials: liquids, powders and granules. It can be used as a sprayer but also as a nebulizer and ideal for disinfection, fertilization and irrigation.
- Easy-start recoil starter help you start the engine easily with just one or a few pulls.
- Thickened copper pump: The plunger life is up to 100 hours, far exceeding similar products.
- Ergonomic back plate design, wider and thicker shoulder straps help the operator work more comfortably.

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