Cause Analysis of Abnormal Noise of Excavator

Excavator work abnormal noise fault phenomenon:

1.When the excavator is working, the engine works abnormally.

2.When the excavator rotation stops, the excavator rotation motor makes abnormal noise.

3.Abnormal noise when the excavator rotates left and right

Reasons for abnormal noise of excavator work:

1.The abnormal sound of the excavator engine caused by improper adjustment or failure of the engine supply system

2.The oil return back pressure valve is stuck by welding

3.The failure of the fuel injector causes the abnormal noise of the excavator