1. Tshawb xyuas cov xovxwm hluav taws xob thiab cov khoom siv txhua lub hlis. Lub khawm hloov tsis zoo.
2. Tshawb xyuas qhov hydraulic system txhua hli. Roj twj tso kua mis, lub tog raj kheej, solenoid valve ua haujlwm ib txwm. Tsis muaj dej paug.
3. Tshawb xyuas cov khoom siv kho tshuab ntawm cov khoom siv rau ib nrab xyoo. Kho lossis hloov cov khoom tsis zoo.
4. Ntxuav lub txee hluav taws xob rau ib nrab xyoo. Khaws lub txee kom huv si, qhuav thiab tsis muaj khib nyiab.
5. Tshawb xyuas thiab kho cov cuab yeej siv tshuab txhua xyoo. Xyuas, kho thiab kho qhov tseeb.
6. Khaws ib xyoos ib zaug.
