L68B2 Mast Section The hydraulic system of tower crane must abide by the following
the hydraulic system of tower crane is powered by hydraulic, equipped with various hydraulic devices. Therefore, if we do not follow the rules of operation and maintenance, not only can not give full play to the due performance, but also will shorten the service life of parts. Therefore, the tower crane hydraulic system in the operation, we must comply with the following matters. 1. All kinds of parts, especially the hydraulic system of the device, must not be attached to the dirt. After the work, be sure to clean up the dust and oil.
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2. The hydraulic oil tank should remove water and impurities from the bottom outlet every half a month, and replace all the hydraulic oil every other year or 2000h. When the crane in the use of particularly harsh environment when the operation of the oil replacement cycle should be shortened. 3. The filter element of oil filter should be checked after working for 250H, and cleaned or replaced if necessary. 4. All kinds of valves of hydraulic system have been fully tested before leaving the factory, and have adjusted the pressure and flow, must not be touched. 5. Before the operation, should be determined by the oil tank level window whether the hydraulic oil in accordance with the provisions, below the provisions of the scribing line, it must be supplemented. When refueling, must pass through the refueling filter injection, and very careful not to mix into different brands of oil or water and other impure characteristics.
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