With the rapid development of lawn, the demand for lawn mowers is growing. The normal use and maintenance of lawn mower can extend its service life.

1. Composition of lawn mower

It is composed of engine (or motor), shell, blade, wheel and control handrail.

2. Classification of lawn mowers

According to the power, it can be divided into engine type with gasoline as fuel, electric type with electricity as power and silent type without power; according to the walking mode, it can be divided into self-propelled type, non self-propelled type and riding type; according to the grass collection mode, it can be divided into straw bag type and side row type; according to the number of blades, it can be divided into single blade type, double blade type and combined blade type; according to the blade cutting mode, it can be divided into hob type and rotary blade type 。 The commonly used ones are engine type, self-propelled type, straw bag type, single blade type and rotary blade type.

3. Use of lawn mower

Before mowing, the debris in the mowing area must be removed. Check the engine oil level, gasoline quantity, air filter filtration performance, screw tightness, blade tightness and sharpness. When starting the engine in cold state, close the damper first, press the oiler for more than 3 times, and then open the throttle to the end. After starting, open the damper in time. When mowing, if the grass is too long, it should be cut by stages. Only 1 / 3 of the total length of the grass shall be cut each time. The purpose is to avoid the yellow grass after cutting. If the slope of the cutting area is too steep, the grass shall be cut along the slope. If the slope exceeds 30 degrees, the lawn mower shall not be used. If the lawn area is too large, the continuous working time of the lawn mower shall not exceed 4 hours.