Reasons for the use of the main reducer 1 In the driving work, improper operation such as starting, shifting, and sudden braking causes the drive train to be subjected to severe impact. This severe impact load is particularly likely to cause the driven gear and the differential case to be coupled with the bolt. The looseness was even cut. 2 After the flameout slides, the engine is forced to start the gear, and the drive train is subjected to a large impact load. 3 overloaded driving.
Preventive measures Through the analysis of the above reasons, we believe that the use and maintenance department of all Dongfeng EQ140 vehicles should take the following measures for the characteristics of the single-stage hyperbolic gear transmission of the main reducer of this model: strengthen the training and strengthen the driver and maintenance workers. Training to understand the structural principles and technical characteristics of the model for proper driving and maintenance.
Maintenance according to the specified technical requirements 1 Maintenance according to the specified mileage, no de-protection, no leakage protection. 2 Check the cause of the oil seal and mat oil leakage in time, and replace it, add the hyperbolic gear oil of the specified grade as needed. 3 Replace the hyperbolic gear oil on time. 4 The first secondary maintenance after overhaul, 3D maintenance or replacement of the final drive should be done: thoroughly clean the oil storage parts of the final drive, the differential and the rear axle housing, and change the oil after drying; The vent hole of the shell and the oil return hole of the driving bevel gear bearing housing; fasten the driven bevel gear and the differential case coupling bolt, the differential coupling bolt, and pay attention to the integrity of the locking piece.
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