The rod bolt should be assembled after the main bearing and the eccentric shaft are ground.Before assembly, check it carefully, and then use the crane to place the rod bolt slightly lower than its normal position in the crusher.Wash the upper and lower bearings of the rod bolt and lubricate them with thin oil, and then install the bearing, main shaft, upper bearing, and upper shell.Lifting the rod bolt, then install the bolts and tighten them.The bracket should be added when the oil leakage occurs due to poor fitting.When conditions permit, it is best to assemble the complete set of rod bolts and main shaft outside and load them into the frame once with the crane.
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Causes: cone crusher base is loosening; difficult-to-break materials enter the crushing chamber, leading to blockage; parts break or wear; poor lubrication makes the spindle tightened by bushing.Solutions: fastening bolts, pouring; controlling the type of feed, strictly forbidding the entry of non-fragments; strictly controlling the amount of feed; stopping the machine to check accessories; replacing damaged parts, repairing oil pumps and pipelines.
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