(1) Hydraulic oil filter: after the operation of the mixing machine, the hydraulic oil filter of the mixing machine should be checked and cleaned in time. If the hydraulic oil filter is damaged, it should be replaced in time to avoid greater hardware loss. In the process of oil injection, a 120 mesh filter is needed for filtering. After a long time of use, the mixing machine gradually appears problems such as reduced lubricity, blockage, cavitation and so on. It is necessary to check, inject and replace the hydraulic oil in time.
(2) Hydraulic oil viscosity: when the hydraulic system is paralyzed, does not work and other failures occur, to timely adjust the viscosity of the hydraulic oil. If the viscosity is too high, the kinetic energy of the hydraulic fluid will be lost; If the viscosity is too low, the leakage of hydraulic fluid will increase and the temperature will increase.
(3) The hydraulic oil in the oil tank should be at the normal liquid level to ensure that the oil return pipe and oil suction filter are below the liquid level to prevent air from entering the oil pump during the oil return process. The oil suction filter should be checked regularly. If it is blocked, it should be cleaned in time to prevent cavitation.
Mixing machinery is an important engineering machinery in road and bridge construction. It is widely used in the field of construction, and has an extremely important impact on ensuring the construction safety, quality and progress. In order to prevent the occurrence of problems and avoid capital investment in equipment maintenance, repair and other aspects, it is necessary to check the operation status of mixing machinery in road and bridge construction in time and find out the root causes of faults and problems. Establish a complete mixing machinery and equipment inspection management mode, regular maintenance of mixing machinery, to eliminate the emergence of problems.
According to different fault conditions, reasonable and effective maintenance methods can be selected so that the mixing machinery can be put into the road and bridge construction operation. At the same time, the service life of the mixing machinery can be improved, the safety risk can be reduced, the construction process can be increased, the construction quality can be ensured, and unnecessary capital expenditure can be avoided.
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