M5 Rongshida washing machine, spin-dry bucket not operating - Analysis and Repair N2

by bwgh31zv on 2011-10-22 18:20:43

Data source, Beijing Ronshuda washing machine after-sales service telephone; Beijing Ronshuda washing machine after-sales service telephone http://blog.tianya.cn/blogger/blog_main.asp?BlogID=3447654. Fault inspection; when unplugging the power plug and manually rotating the spin-dry bucket which is relatively strenuous, examination finds that there are rust spots on both the upper cover and chassis of the spin-dry motor, indicating that there's a leakage at the bottom of the spin-dry bucket, which will damage the spin-dry motor. When connecting the power supply and setting the washing machine in the spin-dry working state, it was found that the spin-dry motor does not rotate. After disconnecting the power, removing the spin-dry motor, the resistance of the starting winding and running winding of the spin-dry motor was basically normal, but it was quite difficult to manually rotate the main shaft of the spin-dry motor. After disassembling the mechanical parts of the spin-dry motor, it was found that the two ends of its main shaft were severely rusted, but the bearings were in good condition. After cleaning the two ends of the main shaft and sanding off the rust with sandpaper, sufficient engine oil was added to the front and rear axles, then the spin-dry motor was reassembled so that the main shaft could be flexibly rotated by hand. After reinstalling the spin-dry motor, the machine was tested, and the washing machine worked normally, resolving the fault. Ronshuda washing machine, spin-dry bucket does not operate. Fault analysis; the main cause of this fault is poor motor operation or malfunction of the spin-dry bucket's rotating components.