Eight misunderstandings in agricultural machinery maintenance

In the maintenance of agricultural machinery, there are technical errors more or less. Maintenance personnel and operators of agricultural machinery must avoid these mistakes as far as possible in order to avoid affecting the performance of the equipment.

Misunderstanding 1: The engine water temperature is not afraid of high and low fear. This view is wrong. In fact, low water temperature hazards are also significant. Low water temperatures can lead to inadequate fuel combustion, resulting in decreased power, increased fuel consumption, poor lubrication, and increased carbon deposits in the combustion chamber.

Misunderstanding 2: The valve clearance is rather big. In fact, when the valve clearance is large, the lift of the valve becomes smaller and the opening degree is not enough, so that the exhaust gas is insufficient to exhaust, resulting in a decrease in the engine power.

Misunderstanding 3: More oil should be added. Some people think that adding more fuel is less likely to burn bearings, adding little more. In fact, the addition of more oil also causes damage to the engine, increases the resistance of the crankshaft and the connecting rod, increases the amount of oil splashed on the cylinder wall, and enters the combustion chamber, causing an increase in carbon deposition and affecting emissions.

Misunderstanding 4: Add more butter in the hub and add more. Always think that the butter in the wheel hub is the best. In fact, this is a waste of butter. Second, the butter can easily swell the oil seal or paper pad after heating, and it also affects the heat dissipation.

Misunderstanding 5: Rather than a small advance in fuel injection. In fact, when the injection advance angle is too large and the engine accelerates rapidly, when the engine starts or goes uphill, the engine will produce knocking or knocking, which will cause great damage to the piston connecting rod, and will increase the resistance of the starter motor, seriously affecting the service life of the vehicle.

Misunderstanding 6: Fasten the screw tightly. Locomotives whose parts do not reach the specified torque will loosen. It is certainly not good, but increasing the torque blindly will deform the parts that are fastened, artificially causing the screw to lengthen, causing the thread to deform or even break.

Misunderstanding 7: The tire pressure is rather high and not low. Too high or too low tire pressure can affect its service life, and it is also not conducive to safe driving.

Misunderstanding 8: Open the inspection when repairing the most insurance. Freely dismantling will inevitably destroy the well-matched state of coordination. If the assembly level is not high, the service life of the parts after inspection will be shortened.


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