1. Sab nrauv ntawm lub tog raj kheej hydraulic yuav tsum tsis txhob muaj qhov tsis xws luag xws li nthuav dav thiab kev cog lus thiab pom tseeb wavy kab, tawg, burrs, bruises, khawb, xeb, thiab lwm yam.
2. Qhov chaw raug yuav tsum tau siv txheej txheej los yog passivation kev kho mob txheej, pleev xim zaj duab xis, thiab lwm yam. los nqa tawm anti{1}}corrosion (xeb) tov. Cov txheej yuav tsum tsis muaj qhov tsis xws luag xws li tawg, tev, ntog lossis cavitation; qhov saum npoo yuav tsum muaj kev tiv thaiv- xeb los yog descaled ua ntej pleev xim, thiab yuav tsum tsis muaj xeb pits.
3. Thaum pleev xim rau, so cov tshuaj tiv thaiv- pleev xim ua ntej, thiab tom qab ntawd muab cov xim pleev xim. Cov txheej yuav tsum yog symmetrical, uniform nyob rau hauv cov xim thiab du thiab harmonious. Tsis txhob siv putty ua ntej pleev xim.
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