(1) Abnormal engine noise
Phenomenon: Abnormal noise occurs when the engine is running.
Cause: May be the internal parts of the engine wear or improper assembly.
Preventive measures: Check engine status regularly and replace worn parts in time.
Emergency treatment: If the noise continues, it should be stopped immediately for inspection to avoid further damage.
(2) Hydraulic system failure
Phenomenon: excavator action is slow or weak, hydraulic oil temperature is too high.
Cause: hydraulic pump or motor damage, or hydraulic oil pollution.
Preventive measures: Replace the hydraulic oil regularly and check the working condition of the pump and motor.
Emergency treatment: Replace the damaged parts, clean the hydraulic system, and ensure that the oil line is smooth.
(3) Electrical system problems
Symptom: The excavator light is not bright, and the instrument display is abnormal.
Cause: May be poor wire contact or low battery power.
Precautions: Check the wiring regularly to ensure that the battery is fully charged.
Emergency treatment: Repair wire connections and replace or charge batteries.
(4) Transmission component failure
Phenomenon: The excavator is difficult to walk or turn.
Cause: The drive shaft or gear wear is serious.
Preventive measures: regularly lubricate the transmission parts and check for wear.
Emergency treatment: Replace the worn drive shaft or gear to ensure smooth transmission.Excavator
