Many users in the use of hydraulic valve didn't use any big problems, can be followed for the maintenance and cleaning is no clue, cleaning technology to resolve the issue about the hydraulic valve now.
Cleaning the following questions:
( 1 ) for the deposition time of hydraulic valve, paste solid dirt, clean, do not scratch the surface.
( 2 ) safety first heating. Some inorganic toxic cleaning fluid, heating evaporation can be toxic to the human, should be careful to use; organic flammable cleaning fluid, pay attention to fire prevention.
( 3 selection of cleaning liquid, pay attention to the corrosive, avoid corrosion of the valve
( 4 ) after cleaning the parts should pay attention to the preservation, avoid corrosion or contamination ( 5 ) hydraulic valve assembled to the test before put into use.
Common cleaning processes include:
( 1 ) removing.
Although mostly bolt connection between various parts of the hydraulic valve, but the hydraulic valve is designed for non-demolition, without special equipment or expertise, to force the demolition likely cause damage to hydraulic valves. Therefore, before the demolition to grasp the connection between structure and components of hydraulic valves, record the position relationship between the parts during disassembly.
( 2 ) check out.
The dirt deposition parts, check valve, valve core, in the premise of not damaging the work surface of the lower, with cotton yarn, brush, non-metallic scraper clear focus on dirt.
( 3 ) rough wash.
The valve body, spool and other parts of the tray on the cleaning tank, heating soaking, the compressed air into the cleaning tank through the bottom, stir through the bubble effect, washed residual dirt, ultrasonic cleaning can be conditional.
( 4 ) wash.
Positioning with high pressure cleaning fluid cleaning, and finally dried with hot air. Qualified enterprises can use existing cleaning agents, individual situations can also use organic cleaning agent such as diesel, gasoline.
( 5 ) assembly.
Diagram based on the hydraulic valve assembly or disassembly of parts assembly relations record assembly, the assembly should be careful, don't hurt parts. The original sealing material is easy to damage when removing, should be replaced in the assembly.
Because different companies have different levels of technology and equipment repair, repair quality will vary considerably. For lack of repair equipment and technology companies, even after the repair of the hydraulic system to restore the original state, should continue to strengthen surveillance, and actively purchase of spare parts, to respond to unexpected failure.
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