Excavator chu a kalna tur a inthlak danglam chuan eng thil nge thleng?

Walking motor safety valve hian oil a leak a ni. Safety valve hian oil a leak a nih chuan system chhunga pressure a hniam lutuk ang a, chu chuan kea kal motor rotational speed chu a tawk lo ang a, chu chuan walking deviation a thlen ang. Buaina chinfel dan tur chu: kea kal motor-a safety valve chhia chu thlak leh; Rorelna siam hunah chuan veilam leh dinglam kea kal motor te chu a kalh zawnga an kal laiin an inthlak danglam em tih hriat tumin him takin an inthlak thei a ni. Excavator-a main valve chhunga spring chu a nem emaw, a chhe emaw a nih chuan, a nih loh leh valve core chu a tlakbuak chuan oil pressure a tlahniam thei a, chu chuan machine chu a sir khatah a kal thei a ni.