First, the use of technology 1, before use, should first check the machine parts are complete, the installation is reliable. For a new machine or a newly opened machine, the oil in the cylinder should be removed and the compression ratio and spark plug flashover should be checked. 2, before the formal operation, first test spray with clean water, check whether the overflow phenomenon around the machine. 3, regardless of spraying or dusting, it should be downwind operation. 4. When the operation is stopped, first close the powder door or powder switch and then turn off the gasoline engine. 5. During the operation, the necessary protective equipment should be worn to prevent poisoning. 6. Gasoline engine must use mixed fuel. The ratio of gasoline to engine oil is 15:1. For safety and fire protection, it must be shut down when refueling. 7. After the gasoline engine is started and before it is stopped, it should run at no-load low speed for 3-5 minutes to observe whether it is operating normally. Second, maintenance technology (a) daily maintenance 1, clean up the drug solution or powder remaining in the kit. 2. Scrub the medicine box and check whether there is water leakage or oil leakage at each joint and remove it in time. 3, remove the machine surface oil and dust. 4, check the fastening bolts. 5. During the dusting operation, the carburetor and air filter should be cleaned every day. 6, after maintenance, the machine should be placed in a dry and ventilated place, do not close to the fire source. (II) Storage for a long time 1. Disassemble all the machines and carefully clean the oil and dust on all parts. 2, cleaning kits, fans and oil pipelines. 3, the fan shell clean, dry and coated with a layer of anti-rust butter to be protected. 4, all kinds of plastic parts should avoid long-term exposure, can not bump, squeeze. 5. All parts are covered with a plastic cover and placed in a ventilated and dry place.