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Hydraulic system cleaning and maintenance

Dec 22, 2022

From daily use, the first condition to keep the hydraulic system working properly is that the system interior must be clean. Contamination of the hydraulic system is inevitable before the operation of new equipment, or after an overhaul of a piece of equipment, although manufacturers of hydraulic components are careful about the internal cleaning of the components themselves.


Hydraulic system cleaning and maintenance of eight skills, can effectively improve the working time and efficiency of motor equipment.


  1. usually when the hydraulic system is cleaned, the hydraulic oil or test oil used in the operation of the hydraulic system is selected. Do not use fire oil, gasoline, alcohol, steam or other liquids to prevent corrosion of hydraulic components, pipes, mailboxes and seals.


  2. cleaning, hydraulic pump operation and cleaning medium heating together. When the temperature of the cleaning solution is 50-80 degrees, the rubber slag in the system is simply removed.


  3. When cleaning, non-metallic hammer can be used to knock the oil pipe to eradicate the attachments in the pipeline.


  4. the intermittent operation of hydraulic pump is more conducive to improving the cleaning effect, and the intermittent time is appropriate for 10-30 minutes.


  5. in the cleaning oil circuit circuit, should be installed filter or filter screen. At the beginning of cleaning, because of more impurities, you can choose 80 mesh filter screen, and use 150 filter screen after cleaning.


  6. the hydraulic system cleaning time is generally 48-60 hours, to the degree of clutter with the military system, filtration accuracy requirements and pollution degree to choose quickly.


  7. prevent the external moisture caused by rust, at the end of cleaning, the hydraulic pump should continue to work until the temperature returns to normal stop.


  8. After cleaning, clean the cleaning oil in the loop.

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