What is the effect of water in the hydraulic oil of the excavator? How to solve?
Has your excavator hydraulic system been flooded with water? Don't underestimate it, once the hydraulic system of the excavator enters water, it will cause great damage! What is the effect of water in the hydraulic oil of the excavator? How to deal with it? Here's some goodies for you today!
When the hydraulic oil of the excavator enters the water, why does the hydraulic system of the excavator enter the water? Although the hydraulic system is sealed, it is still possible for water to enter. For example, the excavator has been working in a humid and watery environment for a long time, the surrounding air humidity is too high, and the water vapor breathes through the hydraulic oil tank, causing the hydraulic oil of the excavator to enter the water. If the cooling coil leaks, it will cause water to enter the hydraulic system; if the waterproof measures are not good during cleaning, oil change, and maintenance, the water will enter the hydraulic system.
What is the effect of the hydraulic system of the excavator and the hydraulic oil of the excavator? Let's take a look at the comparison between the hydraulic oil of the excavator and the normal hydraulic oil after water intake.
After the hydraulic oil is mixed with water, it will seriously affect its lubricity;
Water dissolved in hydraulic oil will accelerate the wear of high-stress components and seriously reduce the service life of components such as bearings;
Water reacts chemically with hydraulic pressure to form acids, colloids and sludge;
Water pollution may also precipitate additives in hydraulic oil, resulting in emulsification of hydraulic oil and serious deterioration and denaturation;
When a large amount of water enters the hydraulic system, it will also corrode metal parts, which will further threaten the safety of the hydraulic system after rusting.
Water will also cause the control valve to stick, causing air pressure erosion at the pump inlet or other low-pressure parts, seriously affecting the hydraulic pressure of the working device, causing local weakness, fuel consumption and other failures.
How to prevent the hydraulic oil of the excavator from entering the water?
If the hydraulic oil of the excavator does not enter too seriously, the water can be separated by an oil-water separator; for the hydraulic oil with serious emulsification, discoloration and deterioration, the new hydraulic oil should be replaced after the deteriorated oil is completely extracted, and the cause of the water entry should be found out. solve it completely.
1. Drain the water in time. It is recommended to open the water valve to drain the water every three days.
2. For excavators working in humid and watery areas in the south, a dryer must be installed on the breathing hole of the hydraulic oil tank to prevent water vapor from entering.
3. Strengthen the sealing measures of the hydraulic system, and increase the waterproof sealing devices of hydraulic pumps, valves, cylinders and other components to prevent moisture from entering.
4. Take waterproof measures during maintenance in rainy days. Try not to replace hydraulic components and hydraulic oil in rainy days.
I believe everyone has a better understanding of the impact of water in the hydraulic oil of the excavator. Once the hydraulic oil of the excavator enters the hydraulic system, it is very difficult to deal with it. In daily use, we must adhere to both "prevention" and "treatment". Reduce the risk of hydraulic fluid getting wet.