Introduction: When using a new or overhauled tractor, it is essential to run it in properly before full operation, as improper running-in can significantly reduce its service life. The running-in process is typically divided into three stages: engine no-load operation, tractor idle running, and load running. The duration of each stage and the appropriate load levels should be strictly followed according to the manufacturer's instructions. Each phase requires careful attention and specific precautions to ensure optimal performance and longevity.
During the engine no-load operation, the engine should be operated at various speeds to check its stability and overall condition. Pay close attention to the sounds it makes, the color of the exhaust, and the readings on all gauges. It is also important to check for any signs of "three leaks"—leakage of oil, water, or air. This step helps identify potential issues early on.
Next comes the tractor idle running. Here, you should test each gear’s speed and ensure that the steering, brakes, clutch, and running mechanism are all functioning correctly. Check the temperature at each bearing to make sure it remains within normal limits. If any abnormalities are detected, they should be addressed immediately to prevent further damage.
The final stage is load running, where the tractor is operated under gradually increasing loads. During this time, monitor key parameters such as engine performance, oil and water temperatures, fuel consumption, smoke color, and any unusual odors. Also, check for clutch slippage, braking efficiency, and the gliding distance after releasing the accelerator. These checks help ensure the tractor is ready for regular use.
Throughout the entire running-in period, it is crucial to regularly check the lubricating oil. If metal particles are found in the oil, it may indicate internal wear, and a thorough inspection should be conducted. In some cases, it may be necessary to clean the system and replace the oil to maintain proper lubrication.
After completing the running-in process, perform detailed maintenance. In addition to the standard maintenance tasks outlined in the manual, consider additional checks based on the running-in conditions, the quality of the overhaul, and the tractor’s performance during the process. Proper post-running-in care ensures the tractor operates efficiently and reliably for years to come.
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