The jaw crusher is often need to use the machinery of the broken stone, but if you do not prepare before jaw crusher, will affect the production, even in severe cases could make the impact crusher easy to damage during use it is necessary for a major overhaul or re-purchase of machinery, which for the enterprise is undoubtedly a great loss. In fact, do the following four aspects of the preparation work before using jaw crusher, you can reduce the risk of machine failure to a certain extent. Jaw crusher before be sure to check, if a foreign body in the jaw crusher into the crushing equipment, including the last processing of materials left in the cavity, and a variety of production tools, wire, iron . If any, must be timely taken out. If these things on the inside, start the machine, it will overload and burn out the motor or wire iron, and other damage to the inside of the movable jaw plate static jaw plate parts. Second, before you start the machine you want to check the security measures of jaw crusher has been done, because in any case, safety is first, and injury to personnel in production, no one wants to to see. Stepped up security measures to take preventive measures, is the best choice. Check the fixed machine, jaw crusher before the screws are loose, carrying machine foundation is too soft, and so on. Found that loosening the screws on the timely reinforcement and found that the foundation not necessary to take measures to reinforce them, so as to ensure smooth production. To four in each jaw crusher should check the machine bearings requiring lubrication are oiled, the adequacy of the lubricant in the lubrication oil station. Lubrication of the machine to good effect in order to maximize production, the machine is not prone to problems.