Brief analysis of maintenance and common problems and measures of mobile high-altitude lifting platform

The principle of the mobile high-altitude lithium pallet truck platform is to use a hydraulic lithium pallet truck platform plus an electronic integrated controller. The height can be adjusted in time when it is convenient to lift. Considering safety issues, there are generally non-slip insulating plastic water wave engraved plates, which are convenient to replace and the whole is beautiful and generous.　　In terms of hydraulic transmission of construction machinery, the normal operation of the hydraulic system is an outstanding technical condition. Qualified hydraulic oil is the reliable work of hydraulic system maintenance, and correct maintenance is the fundamental operation of hydraulic system. To this end, the editor made an analysis of the general working environment for maintenance of the hydraulic system of construction machinery based on practical operations.　　1) Select the appropriate hydraulic oil 　　Pressure oil has the effects of transmitting pressure, lubricating, cooling, sealing, etc. The improper selection of hydraulic oil is the main reason for the early shortcomings of the hydraulic system and the decrease in durability. The hydraulic oil should be selected according to the standard grade in the random 'Operation Manual'. When using substitute oil, its function should be the same as the original grade. Different grades of hydraulic oil cannot be mixed to avoid chemical reaction and function change of the hydraulic oil. Dark brown, milky white, smell the oil is bad oil, can not be used.　　2) Avoid mixing solid impurities into the hydraulic system 　　Clean hydraulic oil is the service life of the hydraulic system. There are many precision couplings in the hydraulic system, some with damping holes and some open spaces. It is assumed that the intrusion of solid impurities will cause precision damage, hairpins, oil blockage, etc., endangering the safe operation of the hydraulic system. General solid impurities invade the hydraulic system through: hydraulic oil is not clean; refueling things are very dirty, refueling maintenance, repairs are ignored; hydraulic components desquamation, etc. Solid impurities can be avoided from infringing on the following aspects of the system: 　　A, when refueling, it is necessary to filter and refuel the hydraulic oil, and the refueling stuff should be clean and clean. In order to increase the fueling speed, it is impossible to remove the filter at the fuel tank filling point. Fueling personnel should use clean gloves and work clothes to prevent solid impurities and fiber impurities from falling into the oil.　　 B. During maintenance, 　　 remove the hydraulic oil tank filler cap, filter cover, inspection hole, hydraulic oil pipe and other components, which causes the system to avoid dust when the oil circuit is removed. It is necessary to clean the site thoroughly before opening it. Assuming to remove the fuel tank cap, please remove the dirt from the fuel tank cap, loosen the fuel tank cap, take out the debris remaining in the joint (do not flush with water, avoid the water tank to enter), open the fuel tank before admitting to clean the cap. Suppose you need to use wiping materials and hammers, you should choose not to wear fiber impurities and materials that interfere with the attachment of rubber hammers. The hydraulic components and hydraulic hoses should be cleaned carefully and dried with high-pressure air after the installation. Choose the packaging integrity of the genuine filter (the inner packaging is damaged, although the filter is intact, it may not be clean). Oil cleaning cleans the filter together. Use cleaning materials before using the filter to carefully clean the dirt on the bottom of the filter housing.　　C, cleaning of the hydraulic system 　　The cleaning oil must use the same hydraulic oil as the system, the oil temperature is between 45 and 80 ℃, and the largest possible activity can be used to remove impurities in the system. The hydraulic system should be cleaned more than three times. After each cleaning, the oil and heat release all the systems together. After cleaning and then cleaning the filter, replace the new filter and add new oil.
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