With the gradual maturity of the second-hand equipment market, more and more construction units and engineering contractors have begun to choose second-hand Doosan excavators because they have price advantages compared to new equipment. At the same time, after reasonable maintenance and repair, second-hand excavators can also provide reliable working performance. This article will combine my actual experience of long-term use of escavadeiras Doosan usadas to share some important usage tips, maintenance points and equipment maintenance experience, hoping to provide reference and help for friends who are interested in purchasing and using second-hand equipment.
1.Careful choice when purchasing
First of all, when buying a used Doosan excavator, the most important thing is to choose a reliable sales channel. Cooperating with regular dealers or reputable second-hand equipment dealers can not only reduce the risk of purchasing problematic equipment, but also obtain certain after-sales guarantees. Before purchasing, be sure to check the machine's usage record, maintenance history, and whether there are major faults. In addition, it is very necessary to personally inspect the working status of the equipment to ensure that key components such as the hydraulic system, engine, and chassis are not damaged.
2.Regular maintenance and inspection
The service life of a second-hand Doosan excavator is closely related to its maintenance status. Regularly check the hydraulic oil, engine oil, fuel filter, etc., and replace damaged parts in time, which can effectively extend the service life of the machine. Especially in construction sites with high work intensity, the maintenance of the hydraulic system is very important. In order to avoid unnecessary failures, it is recommended to develop a reasonable maintenance plan according to the user manual and working environment of the Doosan excavator.
3.Repair minor faults in time
After long-term use, second-hand Doosan excavators may have some minor faults, such as hydraulic system leakage, engine temperature is too high, etc. If these problems are not handled in time, they may lead to more serious consequences. In the process of our use, when encountering any minor problems, we will repair them as soon as possible to avoid further damage to the machine. In particular, the inspection of the electrical system and hydraulic pipelines, and the timely replacement of aging pipelines can effectively avoid the occurrence of unexpected failures.
4.Reasonable use of the performance of the machine
The working performance of the second-hand Doosan excavator may be slightly inferior to that of the new machine, so when using it, it is necessary to adjust the operation mode according to the actual capacity of the equipment. For example, avoid excessive load operation and avoid long-term high-intensity work to avoid excessive pressure on the machine. At the same time, according to different construction needs, flexibly choose the appropriate working mode, which can not only improve work efficiency but also reduce equipment loss.
5.Parts procurement and replacement
Compared with new machines, second-hand Doosan excavators may require more parts replacement. For example, crawler tracks, bucket teeth, hydraulic pumps and other wearing parts need to be regularly inspected and replaced. When purchasing parts, try to choose original or certified parts to ensure the performance and safety of the equipment. Although the price may be slightly higher, in the long run, the use of high-quality parts can reduce the frequency of maintenance and improve the stability of the equipamento de construção usado.
Through years of experience, we have deeply realized that the stability and durability of second-hand Doosan excavators not only depends on their own quality, but also depends on scientific maintenance and timely repairs. Reasonable use and maintenance can significantly extend the service life of the equipment and reduce unnecessary maintenance costs. I hope that the experience sharing in this article can provide some useful guidance for you when choosing and using second-hand Doosan excavators, and help you complete engineering tasks more efficiently and safely.