Attention Should Be Paid To The Problem Of Backhoe Loader Running-In Period
The backhoe loader has the advantages of fast operation speed, high efficiency, good maneuverability and easy operation, so it has become one of the main types of earthwork construction in engineering construction; generally speaking, after the new backhoe loader leaves the factory, the general regulations have 20- The running-in period (or run-in period) of about 50 hours is stipulated according to the technical characteristics of the loader in the early stage of use. The following will introduce the precautions of the backhoe loader during the running-in period.
The running-in period is an important link to ensure the normal operation of the backhoe loader, reduce the failure rate and prolong its service life. But at present, some users ignore the special technical requirements of the running-in period of the new machine due to lack of common sense in the use of backhoe loader, or because of tight construction schedules, or because they want to get profits as soon as possible.
Some users believe that the manufacturer has a warranty period, and the manufacturer is responsible for maintenance when the equipment is broken, so the equipment is overloaded for a long time during the running-in period, resulting in frequent early failures of the loader equipment, even when the warranty period is about to arrive. Long-term operation neglects maintenance, and try to expose the fault during this period to obtain the manufacturer's warranty. In the end, the equipment is normal during the warranty period, and failures frequently occur soon after the warranty period, which not only affects the normal use of the backhoe loader equipment, shortens the The service life of the backhoe loader equipment, but also affected the progress of the project due to equipment damage. Therefore, full attention should be paid to the application and maintenance of the backhoe loader's running-in period.
Since the fitting clearance of the newly assembled parts is small, and due to assembly and other reasons, it is difficult to ensure the uniformity of the fitting clearance, and the lubricating oil (grease) is not easy to form a uniform oil film on the friction surface to prevent wear. As a result, the lubrication efficiency is reduced and the early abnormal wear of the parts is caused. In severe cases, the friction surface of the precision fit will be scratched or occluded, resulting in failure.
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