If the oil temperature is too high on the flat ground, the following measures can be taken:
(1) Appropriately increase the surface area and volume of the fuel tank, and design the internal structure of the fuel tank, increase the partition, and expand the heat dissipation. In this way, the stroke of the hydraulic oil flowing from the outlet of the oil return pipe to the oil suction pipe can be increased, and the residence time of the hydraulic oil in the oil tank can be increased, so that it can exert the heat dissipation effect of the oil tank wall and facilitate the separation of air bubbles in the hydraulic oil. If the grader has limited prison space and cannot implement measures such as adding fuel tanks, it should be forced to dissipate heat by installing an oil cooler.
(2) The design and installation of pipelines in the hydraulic system should be reasonable. The pipeline on this motor grader is long, so it is necessary to design and arrange the pipeline, choose the correct diameter of the pipeline, and try to reduce the bending of the steel pipe, thereby reducing the heat generated by the improper installation of the pipeline.
(3) Test the hydraulic steering gear, hydraulic valve, and the relief valve in the multi-way reversing valve. According to the pressure, flow rate and requirements for hydraulic oil, and refer to the test data, reasonably select the specification and model of the relief valve: also The stable flow of the throttle valve should be considered: other valves should be selected according to the flow required by the circuit to which they are connected. At the same time, the pressure of each valve should be adjusted.
(4) Regularly clean the relevant components of the hydraulic system to avoid abnormal wear and oil temperature rise of components caused by impurities in the system.
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What should we do when the oil temperature of the motor grader is too high?
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