Brush cutter operation and precautions

by:Jiali     2020-06-27
In garden operations, the often used cleaning tools and weeds and some loose shrubs will use the same high-efficiency, fast, good-quality and free garden tools, that is, brush cutters. The purpose of the brush cutter is mainly to cut the weeds and small shrubs in the newly built garden site, to prepare the tractor for ploughing and land preparation, and also to provide weed cutting services after the garden is built. How to use the brush cutter, and what should be paid attention to? The following is a detailed explanation for you. Key points of operation of brush cutter: ① After starting the engine of the knapsack brush cutter, carry the strap behind the operator, the engine power is transmitted to the working parts of the brush cutter through the flexible shaft, and the operator can cut while walking while holding the joystick. Because the engine is carried on the back, the operation flexibility is large, and it is not affected by the terrain and slope. It can be operated freely up and down, left and right, especially suitable for the complex mountainous cutting operation. ②After the engine of the side-mounted brush cutter is started, the side-mounted belt is placed on the shoulder of the operator. When the engine speed reaches 2800-3200r/min, the centrifugal clutch is combined, the transmission shaft in the hard sleeve rotates, the operator hands Hold the joystick to cut while walking, and remove the small shrubs and weeds on the job site. The working width is about 1 meter. ③When cutting shrubs less than 8 cm, you can use a one-way saw to directly fell down; when cutting shrubs and trees more than 8 cm, you can use a two-way saw, that is, saw the lower mouth first, then the upper mouth, and use the saw Shock cutting is strictly forbidden, otherwise it will hurt people or damage the machine due to inertia. ④After the brush cutter with the saw blade or cutter head is started or working, other than the operator must be 3 meters away from the machine. ⑤When shifting the operation point, the throttle must be closed to stop the working parts from rotating. When the new operation point is reached, increase the throttle and increase the rotation speed before performing the cutting operation. ⑥Shut down the throttle first when shutting down, and then stop after 3-5 minutes of idling. It is strictly forbidden to stop suddenly during high-speed running. Must pay attention to the use of brush cutter: ①Precautions for engine use: add qualified gasoline and gasoline engine oil to ensure a gasoline to engine oil mixing ratio of 25:1; the air filter and spark plug must be checked after 25 hours of operation; ten minutes of rest after each fuel tank; each shift Afterwards, the dirt on the heat sink should be cleaned to ensure its heat dissipation effect. ②Notes on the use of transmission parts: after 25 hours of operation, replenish the reducer with grease, and add grease to the joint between the upper part of the transmission shaft and the clutch. ③Precautions for tool use: The saw blades and blades used should be balanced and sharp, and no vibrating saw blades or blades should be used; the length of the weeding nylon cable head should be controlled to be less than or equal to 15 cm.
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