Maintenance of the electric drum of the conveyor

Under normal operating conditions, the electric drum should undergo maintenance once a year. The following are the recommended steps to ensure proper functioning and longevity of the equipment: First, drain the lubricating oil from the drum through the oil drain hole located on the left end cover. This helps remove any old or contaminated oil that may have accumulated over time. Next, disassemble the drum carefully. Begin by removing the junction box on the left flange shaft end and the bolts securing the left end cap. Then, unscrew the right end cap bolt and the right bracket. Use a lifting ring to lift the right flange shaft safely. For loading conveyors, you can find more details at: [Loading Conveyor](http://detail.cn.china.cn/provide/2128844899.html) After disassembly, thoroughly clean all internal components and the inner walls of the drum. This step is crucial to remove any debris, dust, or residue that could affect performance. Then, re-lubricate each bearing with a sufficient amount of calcium-sodium-based grease. This includes all six motor bearings. Proper lubrication ensures smooth operation and reduces wear. Replace the seals and oil seals on both the motor and the drum body. Ensure the new seals are intact, smooth, and free of imperfections such as bumps, dents, or wrinkles. The material should be oil-resistant rubber to maintain a tight seal and prevent leaks. Check the insulation resistance between the motor windings and the casing, as well as between the windings themselves. The resistance should be at least 5 megohms. If it’s lower, the motor should be dipped in insulating varnish and dried properly. Inspect the condition of each bearing, backstop, and gear. Replace any worn-out parts to avoid failure during operation. Reassemble the drum in the reverse order of disassembly, ensuring all components are correctly positioned. It’s advisable to have a trained technician oversee the process to guarantee quality and safety. Finally, refill the drum with new N46 oil until the oil level reaches one-third of the drum’s diameter. This ensures adequate lubrication for all moving parts while preventing overflow. Regular maintenance not only extends the life of the electric drum but also enhances its efficiency and reliability. Always follow the manufacturer’s guidelines and use the correct tools and materials for optimal results.

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