A complete set of hydraulic system, must contain various types of hydraulic valves, such as direction valves, relief valves, reducing valves, etc., When we maintain and clean the hydraulic system, how to clean these hydraulic valves? The following will teach you the cleaning knowledge of hydraulic valves.
In the maintenance process of hydraulic valves, disassembling and cleaning are the first processes. In the actual use of hydraulic equipment. The oil deposits by the pollution of hydraulic oil, or the presence of some granular impurities in the hydraulic oil, will lead to hydraulic valves failure, usually after the disassembling and cleaning, it will be able to remove these faults, so that the hydraulic valves can restore their function.
Hydraulic valves' cleaning steps.
1. Disassembling. For the hydraulic valves, although most of its parts are connected by bolts, but the hydraulic valves are designed for non-disassembly, if when lacking of special equipment or expertise and still stick to disassembling, which may lead to the result is damaging to the hydraulic valves. Therefore, before disassembling, maintenance personnel should master the connection between the various parts of the hydraulic valves and recorde the location of the relationship between the different parts.
2. Inspecting and cleaning. Check the valve body, valve spool and other parts, observe the deposition of dirt, on the basis of the work surface does not cause damage, use brushes, cotton yarn and non-metallic scrapers to remove the concentration of dirt.
3. Normal cleaning. Place the valve spool and valve body in the cleaning box tray, and then heat soak, ventilate the compressed air in the bottom of the cleaning tank, then use bubbles generated by the role of stirring, the residual dirt will be cleaned off, if the conditions allowed, ultrasonic cleaning is a feasible choice.
4. Intensive washing. First cleaning step is to do positioning cleaning under high-pressure, and then drying by hot air. If allows you can choose the existing freshener, also it can be used for organic cleaning agents in some special occasions, such as gasoline and diesel fuel.
5. Assembling. According to the schematic of the hydraulic valve or the assembly relationship in the disassembly of the recorded parts, in the assembly process you should pay attention to the careful operation to prevent damage to the parts. For some of the original sealing material, actually when disassembling,the material is easy to be damaged, so in the assembly process they should be replaced occasionally.
After the use of Hydraulic valve for a long time, inevitably failure, thus affecting the performance of the hydraulic system, we should find a scientific and reasonable method of hydraulic valve to repair the failure to ensure that the hydraulic equipment can be used normally.