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Xuhui District, Shanghai
The Safety Operation Procedures of Used ExcavatorTags: used excavator in europe digger equipment2014-01-24
The single bucket used excavator assignments and walking field should be solid, the tie or plate is used for smooth on soft ground should be mat. In the marsh land area should be disposed with subgrade, or change the wetland special segments of the used excavator. The driving wheel of the crawler excavator should be placed in the rear drive wheels. When doing the leveling origin homework, it will be not allowed to sweep or scoop to consolidate the ground. It will be for blasting firstly when mining rock. If using the used excavator to dig frozen earth, the method of Masonite or the ice breaking hammer should be adopted. The difficulties for digging with used excavator except the loose soil, its biggest excavation height and depth should not be over the performance of the machineries their own. The distance between the track and working face edge should be greater than one meter when pulling scraper or backhoe homework.
Before working, the most important checking project should meet the following requirements. Firstly, all of lighting, signal and alarm device should be complete and effective. Secondly, fuel, oil, lubricating oil and hydraulic oil should comply with the rules. Thirdly, each part of the used excavator hinged connection and reliable. Which make the hydraulic system without leakage phenomenon? Before starting, the main clutches of the used excavator should be separated with each other, putting the lever in the neutral position, and starting the internal combustion engine according to the security technology operating rules. When it starts, joint power to output, the hydraulic system should cycle 10-20 minutes from low speed to high speed. The indicated value should be checked carefully, in the instrument to be working properly to the main clutch of the used excavator, no-load running, sequential operation and task work agencies brake, before operating should check it normally.
The used excavator should be kept at a balanced position when it is working, which will travel mechanism brake to live and fasten the track. When meet a larger hard rocks or obstacles, should remove rear firstly, then to excavate. But the bucket and broken stone should not be used or hard with unilateral dipper teeth to bite. Protective measures should be adopted for the used excavator when mining cliffs. Loose rocks and umbrella should not be tallied on the surface. If there is a risk of landslides, it should be dealt with immediately or excavating the used excavator to the safe place. The excavator should be stopped steadily before digging, if the bucket doesn't leave the surface, it cannot turn and walk. When slewing brake, should use it, but should not use steering clutch inverse-rotation brake.
The operations and the control processes of the used excavator should be smooth, unfavorable and emergency braking. The rise and fall of the bucket cannot be too hard, when it is falling, it must not touch the frame or crawler of this kind of excavator.
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