Precautions for using the hydraulic system of the
2022-08-24- Detail
Precautions for the use of crane hydraulic system
the crane is powered by hydraulic pressure and is equipped with various hydraulic devices. Therefore, if the operation and maintenance rules are not strictly observed, it will not only be impossible to give full play to the due performance, but also shorten the service life of the parts. Therefore, the following items must be observed during operation
1. Before operation, the liquid level window of the oil tank should determine whether the hydraulic oil is fully added according to the regulations. If it is lower than the specified scribed line, plastic fragments after dehydration must be added, which can be dried as needed to supplement. When refuelling, be sure to inject it through the refuelling filter, and pay great attention not to mix impure characteristics such as oil or water of different brands
2. The filter element of the oil filter should be checked after 250h of operation, and cleaned or replaced if necessary
3. Hydraulic oil tank 7. The experimental data (experimental force, displacement, deformation) loading state and experimental curve of the electro-hydraulic servo hydraulic universal testing machine are dynamically displayed on the real-time screen with the experimental process. The water and impurities should be removed from the bottom oil drain every half a month, and all hydraulic oil should be replaced every other year (or after working for 2000h) (the oil change cycle can be appropriately extended if the oil does not deteriorate). When the crane operates in a particularly harsh environment, the oil replacement cycle should be shortened accordingly
For example, Hangzhou Steel, Hengyang Steel and 3 steel will be reduced by 20 yuan/ton4 Various valves of the hydraulic system have been fully tested before leaving the factory, and the pressure and flow have been adjusted. Do not touch them casually
5. At present, two standards have been approved by the National Standards Committee. All kinds of machine parts, especially the devices of the hydraulic system, should avoid dirt adhesion. After the operation, the dust and oil stain must be removed
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