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1. Disassemble the hub, clean the bearings, journals and hub cavity, clean and wash the old grease, and then dry the cavity with a clean rag;2. Examine the hub, bearings, bearing rings, etc., if there are cracks, loose, loose rollers and other problems, timely replacement;3. Examine the clearance

The majority of reasons for wheel detachment in semi trailers are due to loose wheel fastening bolts. As the only accessory for fixing wheels and axles, many drivers neglect their daily inspection So how can you quickly know if the bolts are loose ?In order to solve various hazards and accidents