he elevator mechanical failure reasons

Lubrication part one: the work is not standard or long time maintenance overhaul, or poor lubrication lubrication system fault, cause parts rotating parts of the serious fever wear or holding shaft, rolling or sliding parts parts damaged.
Two: the frequent use of the elevator, machine long or frequent use, some parts wear, aging, maintenance does not reach the designated position, failed to replace or repair worn parts, causing damage to further expand, forcing the elevator down.
three: the elevator neat and loose structure failure caused widespread damage, caused by vibration in the process of elevator running some fastening screw loosening or loose, make some parts especially the moving parts work abnormal cause damage of the elevator.
Four: take or structure imbalance, cause disorder of elevator balance coefficient, or cause serious overload capsules much shaking or flat layer accuracy is poor, the elevator speed out of control, or even header or the bottom of the pier, cause safety gear speed limiter, linkage, the elevator down.

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