Do not mix different brands of gear oils. Because certain performance indicators for different brands of gear oils, such as tank trucks, garbage trucks, and truck-mounted cranes, are not the same, blending will reduce the use of gear oil. The gear oil should be replaced as required during use. In general, after every 45,000 km of the car, oil is changed in conjunction with regular maintenance. When changing the oil, try to drain the old oil and clean the gearbox. At the same time, the replaced waste oil should be treated centrally to avoid polluting the environment. Strict waterproof, mechanical impurities, fuel and other mixed gear oil. Tanker trucks, garbage trucks, truck-mounted cranes and other special gear oils generally take regular oil changes during use. The oil change period depends on the quality of the oil and the conditions of use. Generally, the first oil change of the new gear should take early oil change so as to discharge the initial wear powder. It is recommended that the oil change to the first 1500 kilometers, the second 3,000 kilometers, and then change the oil after 10,000 kilometers. The following points are provided for everyone. Generally used high-grade gear oils can be used on low-demand vehicles, but the use of low-grade gear oils must not be used on demanding vehicles. For example, a hypoid gear oil can be lubricated by a sub-hyperboloid gear, and can also be used for the lubrication of ordinary gear transmission parts. However, ordinary vehicle gear oil cannot be used for a hypoid gear transmission part. Otherwise, the gear will be worn and damaged.
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Under the condition of ensuring lubrication, try to use the gear oil with proper viscosity. Do not use gear oil with high viscosity, otherwise it will cause waste and increase fuel consumption.