hitachi 19u excavator matainance way

 Regular maintenance of the crawler excavators can reduce the failure of the machine, prolong the service life of the machine, improve the working efficiency and reduce the operating cost, thus reducing crawler excavators the failure by 60%.
 
1. The crawler excavators management of fuel oil shall select different brands of diesel oil according to different ambient temperatures; crawler excavators Diesel oil shall not be mixed with impurities, lime soil and water, otherwise the fuel pump will wear out prematurely; crawler excavators High paraffin and sulfur content in inferior fuel will damage the engine; After crawler excavators daily operation, the fuel tank shall be filled with fuel to prevent water droplets on the inner wall of the fuel tank; Before daily operation, open the crawler excavators drain valve at the bottom of the fuel tank to drain water.
 
2. The hitachi 19u excavator filter element plays the role of filtering impurities in the oil or gas circuit to prevent impurities from invading the system and causing faults; Various filter elements shall be replaced regularly according to the requirements of the operation and maintenance manual.
 
3. The hitachi 19u excavator use of lubricating oil (butter) in lubricating oil management can reduce the hitachi 19u excavator wear of moving surfaces and prevent noise. Grease shall not be mixed with dust, sand, water and other impurities during storage.
 
4. Regular hitachi 19u excavator maintenance: replace the fuel filter element and additional fuel filter element after the new machine works for 250 hours; Check the engine valve clearance.