Most of the mechanical equipment in the industry relies on the power provided by the hydraulic system to work. The hydraulic system is inseparable from the hydraulic oil. The quality of the hydraulic oil basically determines whether the equipment can operate well. Therefore, the replacement of the hydraulic oil becomes an important part of the maintenance of mechanical equipment. The following takes an excavator as an example to introduce the precautions when replacing the hydraulic oil in the hydraulic system of the excavator:
The quality of the hydraulic oil directly affects the working effect of the hydraulic system. The inferior hydraulic oil may cause damage to other parts in the system, reduce the working efficiency of the system, and virtually increase the cost. The quality of hydraulic oil on the market varies, so you should carefully select, and do not choose a poor quality hydraulic oil because it is cheap.
In the process of replacing the hydraulic oil of the excavator, remember not to start the engine during the oil filling process, or when the pump and the fuel tank are not full of oil, which will easily cause injury to the surrounding people.
In the process of replacing hydraulic oil, you need to pay more attention, otherwise dangerous accidents may occur.
First of all, during the oil replacing work, the track of the excavator should be fixed to prevent the excavator from moving;
Secondly, try to reduce the number of people in the work area. During activities such as buckets and booms, it may bring unsafe factors to the surroundings;
Then, ensure the safety of the oil replacement working environment, and ensure that there are no open flames and spontaneous combustion items during the oil change process.
In the process of replacing the hydraulic oil of the excavator, it is inevitable to disassemble and assemble the joints of the hydraulic oil hoses. There are also many unsafe factors in this process. The operator needs to do a good job of protection, and try not to face the direction of the oil hose section. Care also needs to be taken not to damage the portion of the thread seal between the fittings as much as possible.
Before and after the oil replacement, it is necessary to do a good job of exhausting. Before replacing the oil, the original hydraulic oil in the system needs to be drained, and the pressure of the system needs to be released first; after the oil replacement work is completed, if there is residual air in the system, it may cause vibration and noise and the low work efficiency, which requires the operator to exhaust the air remaining in the pump and the fuel tank again.
It is best to complete the hydraulic oil replacement work of the system within one day, because the temperature is low at night, and the moisture in the air is easy to vaporize, and then liquefy and condense into water droplets into the hydraulic system, which will easily cause internal parts to be corroded.
The above are the precautions needed to replace the hydraulic oil of the hydraulic system of the excavator, and it is common to most mechanical equipment. I hope this article will be helpful to you.
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