All construction machinery needs liquid oil as the driving force in the process of use. However, in order to save costs, it is also desirable that the machine can operate normally. Therefore, it is necessary to have certain precautions in the process of using mechanical fluid oil. What should you pay attention to when using hydraulic oil in construction machinery?

The precautions for the use of mechanical fluids are:

1. Check the oil level before starting the machine and check if the switch of each oil circuit is in the correct standby state.

2. If the idle speed is about 5 minutes, check if there is any air bubbles in the oil level gauge. If it is a new car or a new hydraulic oil, the bubble appears normal in the oil mark when idling, and the machine can be allowed to work after the bubble disappears.

3. Pay close attention to the temperature of the oil. When the machine is working for a period of time, if the oil temperature is too high, it is best to stop the rest and wait until the oil temperature is normal before re-working to extend the service life of the system and oil.

4, should pay attention to the hydraulic system's various parameter values ​​are normal, but also pay attention to the external features of the system - sound. If the intake air, water or oil circuit in the system is not smooth, etc., abnormal noise will be emitted, and the reading of the meter will fluctuate or the display value will be abnormal. At this time, stop and check in time.

5. Filter the hydraulic oil regularly. The impurity particles in the oil are controlled within a prescribed range.

6. Regularly change the hydraulic oil. Change the oil regularly and replace the oil filter as required by the machine's instructions. If conditions are detected, it is determined whether to change oil according to the results. It is also possible to formulate an oil change interval according to the machine site and system requirements, and incorporate the oil change period into the equipment technical file.

7. When the car is washed or the machine is not used for a long time, the fuel tank should be covered with something to prevent the moisture from entering the air.

Of course, in the process of regularly changing the hydraulic oil of the construction machinery, it is necessary to pay attention to: before the oil change, the old oil should be completely discharged and flushed, and the valve body, the oil cylinder, etc. can not be put out and can not be washed, The oil return pipe is disassembled and placed in a temporary oil drum. After adding new oil, the engine is used to replace the old oil with the jog engine.

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Label: Precautions for using hydraulic oil for construction machinery

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