检查水泵轴的油封环，如磨损严重应更换新件。
Inspection of the pump shaft seal ring, such as wear parts should be replaced.
此种故障是喇叭质量原因，无法修复，只能更换新件。
The this kind fault is a speaker mass casus, can not repair, can replace a new PC.
泵体是由铸铁铸造毛坯成型，出现严重磨损时应更换新件。
Pump body is by cast iron casting blank forming, severe wear new thing should be changed.
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