装配完成后，用手转动泵轴，没有擦碰现象，转动比较轻滑均匀即可，拆卸可按上述装配顺序相反的进行。
After assembly, move the pump shaft with hand, it should be smooth and uniform without touch. Disassembly can be made with the steps contrary to above ones.
他没有拆卸工人的工作保障。
He doesn't have the job security of the motor breaker's co-workers.
形密封：一般经过拆卸的O形密封应全部更换，对其它密封垫片等，只要没有破损，也可以复用。
O seal: usually the dismantled o seal should be changed totally, but the gasket, etc without breakage also can be reused.
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