What is the cause of the clutch release bearing being easily damaged? In practice, although the driver is strictly required to dispense oil every time to the separation bearing, this is not only cumbersome, but the bearing is often damaged. According to the analysis, the high temperature of the engine is transmitted to the separation bearing, and the high-speed rotation of the bearing also generates high temperature. Under such conditions, the oil is difficult to remain in the bearing, the bearing operates continuously under high temperature conditions, and the lubrication condition is not good. The cause of frequent damage.
In response to the above problems, it has also been tried to heat the bearing in the grease to soak the grease into the bearing. After the treatment, the grease can fill the bearing, but the grease is destroyed due to the high temperature treatment. The amplitude is reduced, the effect is not satisfactory with this method, and the service life of the bearing is not extended. We also used a sharp-mouthed grease gun to directly grease the release bearing. Then installed on the car, after observation and inspection, the service life of the bearing is greatly extended. This method of oiling has received satisfactory results, but the operation is more complicated. Then, we explored the case where the engine was not disassembled and the grease was added. The first test was successful on the 475 C engine, and then the 475C and 480 and 492 engines were tested. Both of them received good results. After repeated practice, improvement, and summing up experience, a relatively simple method of oil injection operation was finally formed. The specific process is as follows:
(l) The engine does not disintegrate the oil filling method. First open the clutch cover to check the wear of the separated bearing. If it is confirmed that the bearing is not damaged or the wear is not exceeded, remove the clutch pedal, adjust the connecting rod pin, and make the separation bearing and its Return the seat to the last position, fill the hole of the bearing housing with a grease gun until the bearing overflows, then turn the bearing slightly, refill the oil, repeat the above work until there is a little butter around the bearing, then Rotate the bearing and observe the amount of oil. If there is resistance to the rotation of the bearing, it is proved that the bearing is filled with butter. Then remove a small amount of butter that has spilled over the separation housing and reassemble the removed pin and clutch cover.
(2) The oil filling method of engine disintegration exposes the engine to the assembly of the separation bearing and the bearing housing, and uses a grease gun to grease the small oil hole below the inner ring of the separation bearing housing. When the bearing has a butter overflow, the bearing is rotated until the bearing one There are butter spills in the circle.
After the above two methods are processed, the bearings can be removed without oiling within half a year. After the trial of the oil filling method at Hengshui Railway Station, the mechanical integrity rate was significantly improved and significant economic benefits were achieved. It can save material costs; increase the loading and unloading volume, and increase the loading and unloading capacity by 30t per month. This method has also been promoted at other railway stations and has achieved satisfactory results.
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