Regular maintenance of hydraulic wrenches is very necessary

　　When dealing with (chǔ lǐ) machine faults, many auto mechanics use a very powerful auxiliary work, which is a hydraulic wrench. The hydraulic wrench can provide powerful hydraulic power to drive the machine to operate according to requirements, and at the same time, the effect is more obvious in the tightening process, which greatly reduces the difficulty of manpower operation and control. In fact, the maintenance engineer has a certain understanding of the related information of hydraulic wrenches (Find out), but while mastering the principle of operation and the nature of the work, people should also be reminded to pay attention to the maintenance of the machine. This is to extend the life of the machine. The key (explanation: an important part of a metaphor).

　　The lifetime of the hydraulic wrench, in addition to the correct operation and control as required during operation, must also be maintained and repaired consistently. Many people think that the newly-purchased hydraulic wrench has a good performance advantage (explanation: it can overwhelm the other party’s favorable situation), so there is no need for lubrication and maintenance, and the maintenance only shows that the machine is not running flexibly or cannot work normally. In fact, it is already very at this time. It's too late. The hydraulic wrench is no longer facing a minor problem (Emerson), and the overall replacement problem is no longer a problem. The current situation described indicates that the machine has suffered a serious failure. So what issues should be paid attention to in the regular maintenance of hydraulic wrenches?

　　Regular maintenance should first pay attention to the time issue, which is generally divided into daily maintenance and monthly maintenance. The former is best to be simply wiped or tightened after the machine is used (chǔ lǐ), and lubricating oil can also be applied as needed; the latter Maintenance requires polishing or renewal of damaged parts.

　　In addition, when maintaining hydraulic wrenches, attention should also be paid to the selection of storage environment to ensure that the warehouse is ventilated and dry. Hydraulic wrenches cannot be placed together with acid and alkali liquids. It should not be placed in a damp and dark corner, as this will aggravate the corrosion of the machine, thereby affecting the performance (showing inherent ability). The hydraulic wrench transmits power to the working head through the high-pressure oil pipe and the hydraulic pump, which drives the working head to tighten or loosen the nut. The hydraulic pump can be driven by electricity or compressed air. The working head of the hydraulic wrench is mainly composed of three parts, the frame (also called the shell), the oil cylinder and the transmission parts. The output force of the oil cylinder, the piston rod of the oil cylinder and the transmission part form a motion pair. The distance from the center of the oil cylinder to the center of the transmission component is the hydraulic wrench amplification arm. The oil cylinder output multiplied by the arm is the theoretical output torque of the hydraulic wrench. The actual output torque is smaller than the theoretical output torque.

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