Diesel oil used for engineering machinery, such as CF-4 grade of oil, of which C represents the diesel engine oil; F representative of the quality levels, each increment of a letter, the performance of the oil will be better than the one before, more letters by post , Shanghai second-hand excavator company, the higher the level of quality; "- 4" riser grade engine oil performance, at the same level of oil, the Shanghai second-hand excavator, the larger the number, the better the quality. For imported models in the choice of oil is required in accordance with its engine fueling mode to choose: the choice of direct-injection turbocharged engine CF-4 grade oil can; EFI supercharged engine you need to use the CH-4 rating or higher grade oil to ensure the normal operation of the engine. Beginners should pay attention to safety precautions used excavators in the summer, it is particularly important! Used excavator machine hand field work really hard in the face of intense heat baked, especially for our new machine hand, it is difficult to adapt to this environment, driver who will inevitably be some agitation, but also refused to concede defeat. Stop, efficient and safe work is what we should be concerned about. So how to safely work? Novice how to ensure safety? Used excavator open security matters which should be noted? Next, small series will take you to understand some of the excavator daily operational security matters, we hope to bring some help in the future! First up and down the excavator to help good pedal board handrails, Shanghai second-hand excavator offer, can not directly jump up and down. Well before the job is to check the correct position of underground facilities and gas and other pipelines, Shanghai second-hand excavator transaction in the construction to be careful to ensure that these facilities are not destroyed. Excavators before starting to whistle, signal others to begin to work, and paying particular attention to children, do not let it appear in the digging machine the work site. Excavators can not be half-hearted start up, be careful field personnel. Then it must be especially careful when working near power lines, because the cab vision is limited, it is best to have a colleague at a safe distance to help you navigate. Here is a simple form that tells you the relationship between voltage and safe distance Shanghai second-hand excavator company, Kim Ho used excavators, used excavators Shanghai by Shanghai Used Construction Machinery Co., Ltd. Jin Hao. Shanghai Jin Hao Used Construction Machinery Co. (www.jinhaosh.cn) is the Shanghai Minhang District, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Kim Ho used excavators in leadership with the staff warmly welcome all inquiries negotiations to create jinhao used excavators better future.