When the agricultural machinery needs refueling, some people do things to save time and often overfill. In fact, there are also requirements for refueling farm machinery. It is not "more than good."
1 diesel tank
After the engine is working, diesel will be thermally expanded and mechanical vibration will be added. If the fuel tank is overfilled, diesel will overflow from the fuel tank cap, which will waste oil and cause fire. Therefore, only 90% of the tank volume can be added.
2. Oil pan
When the oil in the oil sump is excessively high, the oil will enter the combustion chamber to participate in the combustion, which increases the oil consumption and also easily causes the accident. In addition, too much oil will increase the connecting rod, crankshaft movement resistance, increase power loss. Therefore, the oil in the oil pan should be added between the upper and lower marks of the oil dipstick.
3. Air filter
The oil in the oil bath air filter oil pan should be added to the marking position. If it is added too much, the oil will be sucked into the cylinder to take part in the combustion, which will easily cause carbon deposition and cause a motor oil accident.
4 gearbox and rear axle housing
The excessive increase of the gear oil in the agricultural tractor gearbox and the rear axle housing increases the gear transmission resistance on the one hand and foaming and deterioration due to the agitation of the gear oil on the other hand. At the same time, the thrown-up oil easily jams the filler cap. The vent holes cause the internal pressure of the tank to rise, and the oil breaks through the oil seal, causing waste and polluting the environment.
5. Wheel hub
The wheel hub has a large cavity, mainly for heat dissipation. If the bearing is filled with grease during the installation of the rolling bearing, it will not only increase the running resistance, but also will affect the braking performance due to the thermal dilute of the grease. Therefore, as long as the grease on the rolling bearing can be, in order to maintain "empty hub lubrication."
6. Tricycle front fork
The fluid in the front fork of the agricultural tricycle hydraulic shock absorber can not be added too much, otherwise there is no compressible air inside the front fork, the volume can not be changed, the upper tube and the lower tube are rigidly connected, resulting in the fork cannot To shock absorption.
7. Cooling water pump
Do not add too much oil in the pump bearing, otherwise it will increase the frictional resistance of the bearing and cause premature damage to the water pump and oil seal water seal.
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