Excavator slow taka che vel hi eng nge dik lo?

Excavator a kal slow lutuk chhan tam tak a awm thei. A chhan awm thei thenkhat chu hetiang hi a ni:

Oil cylinder a sealing parts te chu a kum emaw, a chhe vek emaw a, chu chuan oil cylinder sealing tha lo leh oil pressure tling lo a thlen a, chu chuan slow operation a thlen thin.
2. Oil cylinder piston ring te chu a chhe hle a, oil cylinder piston chu a inthlak danglam thei lo va, oil pressure pawh a tha lo hle a, chu chuan action a ti slow hle.
3. Oil circuit ah hian boruak a awm a, chu chuan oil cylinder chu a ti zawi zawi a ni.
4. Throttle control lever positioning a dik lo a, a nih loh leh throttle spring a chhia a, chu chuan throttle hawnna a ti tlem a ni.
5. Hydraulic pump atanga output flow tling lo chuan oil pressure tling lo a thlen a, chu chuan slow operation a thlen bawk.
6. Control valve age emaw wear out emaw a sealing parts te, chu chuan sealing tha lo, oil pressure leakage a thlen a, chuvang chuan a thawk slow bawk.