What should you pay attention to when reversing the crusher to overhaul and install the eccentric bushing?

When the eccentric bushing has severe cracks, or the gap between the main shaft and the inner hole of the eccentric sleeve is 1.5-2 times larger than the standard clearance during assembly, it needs to be repaired and replaced. When the tooth size of the large and small bevel gears is 25-30%, the gear needs to be replaced.

When maintenance, should first release the oil, and an upper hanging the eccentric bushing (cone beam has been removed, and moving) close Pasteurella alloy, steel sleeve and checking the frame check on the eccentric bushing, attention examination copper or percussion hammer plumb.

When installing, be careful that the contact surfaces must be smooth, clean, and the burrs and scratches on the babbitt sleeve should be trimmed. The oil sump is cleaned and ground and deepened as necessary. Finally, the lower bottom cover must be tightly sealed to prevent oil leakage. After the eccentric sleeve is installed, the outer end faces of the two gears must be flush.

The gear meshing clearance should be measured after disassembly or installation. The gear wear law can be known by the gap record before disassembly. If the clearance is too large or too small, adjust or increase the gasket at the eccentric bushing.

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