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Zhengzhou Yifan Machinery Co., Ltd. as a professional manufacturer of mining crusher, sand making machine, mobile crusher manufacturer R & D, combined with years of production experience and practice in the use of impact crusher failures and solutions gives the following suggestions : 

This may be due to lack of oil caused by the bearing, then we have to do is timely refueling. Of course, the same cause excessive bearing heating fuel, refueling, be sure to check the oil level. Bearing damage to promptly replace the bearings. Cover when you want to adjust the bolts tight, moderately elastic insist appropriate principle. 

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