1. Maintenance of engine oil
Before each use of the lawn mower, check the oil level to see if it is between the upper and lower scales of the oil dipstick. The oil should be changed after the new machine is used for 5 hours, and the oil should be changed again after 10 hours of use, and then the oil should be changed regularly according to the requirements of the manual. The oil change should be performed when the engine is in a warm state. Do not add too much oil, otherwise there will be: black smoke, insufficient power (excessive carbon deposits in the cylinder, small spark plug gap). Phenomenon such as engine overheating. The engine oil should not be too little, otherwise it will appear: the engine gear is noisy, and the piston ring accelerates wear and damage. Even the phenomenon of Lava caused serious damage to the engine.
2. Maintenance of the air filter,
before and after each use, check whether the air filter is dirty, and wash it frequently. If it is too dirty, the engine will be difficult to start, black smoke, and insufficient power. If the filter element is paper, you can remove the filter element and dust off the dust attached to it; if the filter element is spongy, it can be cleaned with gasoline, and some lubricating oil should be properly dropped on the filter element to keep the filter element moist. Conducive to the adsorption of dust.