1. Tshawb xyuas cov khoom siv xws li rollers, nruab nrab ncej thiab bearings, hydraulic lub tog raj kheej pins thiab bearings, thiab boom pob khawm pins thiab bearings.
2. Siv cov roj nplua nyeem rau txhua qhov txav ntawm lub tshuab nqa kom ntev lub neej kev pabcuam ntawm cov kabmob.
3. Tshawb xyuas qhov zoo thiab qib ntawm cov kua dej hydraulic. Nrog lub nqa nqa mus rau nws qhov siab tshaj plaws, cov kua dej hydraulic yuav tsum yog 40-50 mm saum toj ntawm qab ntawm lub tank reservoir. Yog tias cov kua dej hydraulic tshwm tsaus, khov, lossis muaj cov khoom txawv teb chaws (xws li grit), nws yuav tsum tau hloov tam sim ntawd.