Engine speed of rhinoceros wheel excavator is out of control.

In the maintenance of excavators, a common problem is that the engine speed is out of control, commonly known as "out of control" phenomenon. At present, in the maintenance of excavators, the speed of losing control is getting higher and higher.

It is caused by the fault of diesel circuit of excavator. Generally, when the diesel oil circuit is blocked, it may cause the phenomenon of speed reduction.

Clean the throttle idle motor. The idle motor is too dirty and stuck, which affects the speed out of control.