Jack is one of the repair work of the most commonly used tools, compact, easy to use. However, if used improperly can cause the body's heavy slump and injured accident. Therefore, when used to pay attention to the following issues: (1) jack to use to pad the bottom flat, tough. No oil in the wood to expand the bearing surface, and ensure safety. Can not be replaced with iron wood, to prevent sliding. For a smooth (2) lifting, a little heavy after starting to check whether the abnormal conditions, such as no abnormal situation to continue up top. Not any longer handle or excessive action. (3) do not overload, high. When the sleeve red line appears, it indicates that the rated lifting height should stop. (4) jack when several simultaneous operation of heavy lifting equipment, have someone directing, so lifting or fall simultaneously. To support between two adjacent jack wood, ensure the interval to prevent sliding. (5) should always pay attention to the sealing portion of the pipe joint portion of professional lifting equipment when using the jack, you must ensure that it is safe and reliable. (6) does not apply to establishments jack acid, alkali or corrosive gases. Handling of cargo handling equipment safety precautions 1, when passing bridges or culverts, be sure to pay attention to the bridge carrying the load can not exceed the tonnage and ditch cover weight-bearing; 2, when unloading goods, items should be stacked in the street one meter away ; 3, marked "Handle with Care", "non-inverted" special lifting equipment, "moisture" and other words of the article, to be especially careful lifting equipment, according to the requirements indicated handling; 4, the loading and unloading of dangerous chemicals hazardous chemicals, according to regulations, after the completion of the tool which should be kept and clean up the site; 5, do not take risks for the operator and the shortcut path when loading and unloading; 6, people and goods with the car, can not stand sitting in the easy rotation on or off the object, do not allow the legs, feet or body protruding outside the car, can not stand or sit between machine tools and cab, causing the brakes to avoid squeezing or crushing accidents; 7, When stacked transporting goods, to secure, neat, stacking height restrictions generally, boxes must not exceed 2.5 meters (from the ground), to prevent the collapse of casualties and loss items; 8, flammable and corrosive materials not allowed to use the shoulder. _ Shandong Lu lifting equipment installation mechanical (certified) _ lifting equipment provided by Yantai Shandong Lu mechanical equipment installation Limited. Shandong Lu Machinery Installation Co., Ltd. (www.sdlzqz.com) Shandong Jinan, industrial maintenance, installation of leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Shandong Lu mechanical leadership with the staff warmly welcome all inquiries negotiations to create Shandong Lu mechanical better future.