Common trouble and trouble shooting of Jaw crusher
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Malfunction
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Main Cause
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Solution
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Crushing job stops while wheels runing,and jaw plats are off the groove
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1、Spring is damaged
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1 、Change spring
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2、Drag bar damaged
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2 、Change drag bar
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3、Drag bar nut loose
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3 、Tighten the nut
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Swing jaw beats
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Jaw plate tighten- parts loose
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Tighten block nut
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Fixed jaw beats
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Jaw plate tighten- parts loose
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Tighten block nut
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Bearing is over heat
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1、Shortage of lubricant
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1 、Add lubricant
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2、Lubricant is corrupted
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2 、Change lubricant
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3、Bearing damaded
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3 、Change bearing
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Strenge sound in the backside
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Drag bar loose,blow bar hit swing jaw and liner plate mat
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Tighten drag rod nut
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Spring damage
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Turn down output-mouth without loosing spring
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Tighten drag bar nut after adjustment
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