& nbsp; When using unleaded gasoline with a grade of 90 or above, lead containing gasoline, blended gasoline, or contaminated gasoline must not be used. (Note: Refueling should be done outdoors, and smoking is strictly prohibited during refueling. Refueling is strictly prohibited during engine operation.) The engine oil should be SC grade gasoline oil. Stop using four stroke motorcycle engine oil.

  & nbsp; It is necessary to run in for 2-3 hours before using the new hedge trimmer. After running in for 45-60 minutes, the machine needs to be stopped for 5-15 minutes. After running in, it is necessary to replace the engine oil and add new oil from the beginning. Do not exceed the upper limit indicated on the dipstick when adding engine oil, but certainly not lower than the lower limit. Before each use, be sure to check the oil level. Replace the engine oil every 30 hours (when hot).

  & nbsp; After each use, check the filter element. Replace or tidy the paper filter element and clean the sponge filter element every 30 hours of machine operation. In case of severe pollution, it should be cleaned or replaced in advance. The machine needs to stop for 5-15 minutes every 45-60 minutes of operation. After each use of the machine, it is necessary to tidy up the engine and chassis.

  & nbsp; Do not use on slopes greater than 25 °, as excessive inclination angle can cause oil splashing and the wheels cannot reach the oil, resulting in cylinder pulling (or locking). Before using the machine, it is necessary to tidy up the clutter in the lawn, such as stones, tiles, iron wires, wooden stakes, nozzles, steel pipes, etc.