Excavator siam that dan awlsam tak .

1. thawm pangngai lo .

Arm lian tak emaw, kut te tak te emaw, bucket emaw, rotary support emaw pawh nise, thawm pangngai lo a awm chuan ngaih pawimawh a ngai a ni. Ngaihtuah ngun la, chutah chuan thawm pangngai lo tak awmna hmun chu zawng la, a tawpah chuan grease hnawih rawh. Pump, valve, cylinder emaw motor-a thawm danglam tak tak a awm chuan pawn lam atanga thil hmuhchhuah inzawm a awm a, chu chu thil ri nasa tak tak leh a ri nasa tak takte hnathawh pressure leh a hnathawh pressure te enfiah tur a ni.

2. Hnathawh dan chu a chhe tawh a, a chhe tawh bawk .

Hnathawktu hmanrua hman tlanglawn tak takte chu a chhe tawh em tih leh a chhe tawh em tih enfiah fo a ngai a ni. A chhe nasa hle emaw, a deformation a na hle emaw tih hriat a nih chuan, chu part chhiatna℃a zirin siam that emaw, thlak emaw a ngai a ni.