As the name implies, a single axle dump truck has only one axle and one differential. Although Liberation is already an old brand with a long history, under the condition of long-term use, it will not be able to avoid the failure of the Jiefang J6 single-dump dump truck. The following small series for everyone's brief introduction, under the usual liberation of the J6 single bridge dump truck common failure.
Liberation of the J6 single-dump dump truck hydraulic transmission system failure: If the friction between the main pump, the driven gear journal and the bearing in the hydraulic system of the Jiefang J6 single-dump dump truck is worn out, it will cause an increase in the meshing gap, making the oil pump The displacement will drop sharply, and then the stability of the work of the parts will also be affected, and finally it will cause noise. And this kind of mutual run-in also causes the gap between the pump chamber and the gear neck to change, which causes the center line of the gear to shift toward the other side of the oil chamber. In the process of operation, it is also It is relatively easy to have radial runout and cause the area on some parts to become smaller or larger.
If the gap becomes too large, it will cause a leak, so that the pressure and flow of the oil pump will also drop. However, if the clearance is too small, it will cause the tooth tops to rub and collide, and the pump chamber will also be damaged. The scraping and wear of the end face of the Jiefang J6 single-dump dump truck gear and the end cap of the pump body or the end surface bearing will cause leakage in and out of the oil chamber inside the oil pump, which will increase the loop. When there is a failure caused by the wear described above, the waiting cause is replaced and repaired immediately after further inspection.
If the carriage of the Jiefang J6 single-dump dump truck is difficult to lift or there is a turbulence failure, it may be because the fuel is not enough and there is a blockage, and some of the work is not effective, the air pressure is insufficient, etc. Caused damage to the distribution valve and return valve. Liberation of J6 single-bridge dump truck lift switch or lift cylinder stuck, return to the oil is not smooth, lift cylinder friction is too large, making the valve seal is not tight and so on, Liberation J6 single bridge dump truck appeared these In the event of a malfunction, it must be checked first whether the oil level meets the applicable standards, and if the oil level is insufficient, it must be added immediately. Then, observe whether the working conditions of the power take-off operating mechanism are good, whether there is leakage in the gas path and the oil path, and if necessary, check if there is a blockage. Check the working status of the lower limit valve, the oil pump, and the distribution valve, etc., in order to free the sealing performance of the J6 single-bridge dump truck when lifting the cylinder.
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