1. Use files, scrapers, chisels, flat shovels and other tools. Don't push too hard. Chisels and flat shovels are not allowed to be used because of curling or cracks. The oil on the top should be removed in time. 2. Use a hammer and sledgehammer, and gloves are not allowed. There shall be no oil stain on the hammer handle and hammer head, and no one shall wave the hammer when knocking. 3. When using a hacksaw, the workpiece should be firmly clamped and uniformly stressed. When the workpiece will be sawed off, hold it by hand or bracket. 4. Use a live wrench, the size of which should be the same as that of the nut, and no casing can be added to the handle. When working at height, use a dead wrench. If you use a spanner, fasten it with a rope and fasten your seat belt. 5. When using a vise, the handle of the vise shall not be forced by casing or hammered by hand, and the clamped workpiece shall not exceed two-thirds of the maximum stroke of the jaw. 6. Chisel and shovel objects on both sides of the same workbench, and a protective net should be set in the middle. One-sided workbench, one side against the wall. 7. Check the inside of the equipment, use safety lights or flashlights, and prohibit open flames. We must firmly support the top-heavy and easy-to-dump equipment. 8. Dismantle the equipment parts and place them firmly. When assembling, it is forbidden to touch the chain surface or screw hole of the insert by hand. Fingers should be placed on both sides of the pad when taking and placing it. 9. When carrying out maintenance and assembly under the components hoisted by the chain, make sure to tie the knot and pad the track or bracket. 10. The place where the equipment is cleaned and degreased should be well ventilated, and fireworks are not allowed. Clean parts with kerosene. Used cotton yarn, cloth ends and oiled paper should be collected in metal containers. 1 1. The trial operation of the equipment shall be carried out in strict accordance with individual safety technical measures. During operation, it is forbidden to scrub and repair, and it is forbidden to put your head and hands into the range of mechanical travel.

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