Main components, system name, structure, working principle and purpose , correctly judge each part , system failure and troubleshooting , and achieve the skill level that can judge the failure by seeing, listening, smelling, touching, feeling, etc. Judge which system or site failure or is about to fail , it should be well in advance of maintenance, repair, maintenance , reducing mechanical losses and repair costs. The skill level of a loader operator can be seen in the construction of difficult and dangerous areas. During construction operations in dangerous, high-altitude, and easy-to-collapse areas , self-protection and preventive measures should be taken , such as using ballast as a protective wall on the unloading surface , and when shoveling high-altitude materials , the slope of the working surface should be repaired , and the gas door should not be added . It can retreat in time by hanging upside-down gear , and can also be evacuated in time by causing gravel and soil blocks to collapse in the high altitude. In the construction of the area prone to collapse, attention should be paid to the compaction of the walking parts and the slope of the working surface , and fill it with gravel and earth. When driving on long slopes , ensure the working air pressure during operation.
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