What causes the excavator to slow down? Hot topics and in-depth analysis across the Internet
Recently, one of the hot topics in the field of construction machinery is the problem of "excavator speed loss". Many machine owners and operators reported that the excavator suddenly experienced a drop in power and slowed down during operation, seriously affecting construction efficiency. This article combines the hot discussions on the entire network in the past 10 days to provide you with an in-depth analysis of this phenomenon from the three dimensions of cause analysis, solutions and case data.
1. Common causes of excavator speed loss
According to machinery forums, maintenance master feedback and manufacturer technical announcements, the main reasons for the excavator's speed loss can be summarized into the following categories:
| Cause classification | Specific performance | Proportion (sample data) |
|---|---|---|
| Hydraulic system failure | Hydraulic oil pollution, pump valve wear, oil temperature is too high | 42% |
| engine problems | Poor fuel quality, turbocharger failure, clogged fuel injectors | 35% |
| Circuit or sensor abnormality | Speed sensor failure, ECU signal error | 15% |
| Improper operation or loading | Long-term overload operation and improper adjustment of the throttle | 8% |
2. Typical cases and solutions
1.Hydraulic oil contamination causes speed loss: A user reported that the speed of the excavator dropped sharply after 3 hours of continuous operation. After inspection, it was found that the hydraulic oil contained metal debris. After replacing the filter element and cleaning the system, it returned to normal.
2.Turbocharger failure: Case data shows that the engine power of excavators operating in plateau areas dropped due to insufficient air intake. The problem was solved after cleaning or replacing the supercharger.
3.Sensor false alarm: Some new excavators trigger the protection mode due to poor contact of the speed sensor. Just re-plug or replace the sensor.
3. Prevention and maintenance suggestions
To prevent the excavator from slowing down, it is recommended to perform the following maintenance measures regularly:
| maintenance items | cycle | critical operations |
|---|---|---|
| Hydraulic oil testing | every 500 hours | Replace filter element and clean fuel tank |
| Engine maintenance | every 250 hours | Check fuel system, air filter |
| Circuit check | every 1000 hours | Test sensors and wiring harness connections |
4. Industry hotspot relationships
Recently, a well-known excavator brand issued a technology upgrade announcement due to the "speed gate" incident, triggering widespread discussion. In addition, the promotion of new energy excavators has also become a hot topic, and whether its electric drive system can avoid the problem of traditional hydraulic speed loss remains to be verified.
In summary, the excavator's speed loss is mostly caused by insufficient maintenance or aging components. Through scientific maintenance and timely investigation, the failure rate can be greatly reduced. If you encounter similar problems, it is recommended to contact the professional after-sales team for diagnosis first.
check the details
check the details
en
