油漆涂刷前，应将需涂装部位的铁锈、焊缝药皮、焊接飞溅物、油污、尘土等杂物清理干净。
Paint coating, should take the rust coating parts, weld coating, welding spatter materials, oil, dust and other debris cleared.
安装前对吸入、排出管路要清理干净，去掉铁锈等脏物，特别是焊接管路的焊渣必须彻底清除，以免进入泵后咬死。
Before installation on the suction and discharge line to clean, remove rust and dirt, especially welding pipe welding slag must be thoroughly cleared, to avoid killed after entering the pump.
焊前须将焊件表面的油污及铁锈清理干净，选择适宜的焊接规范。
Cleaning the oil stain and rust of the welding surface before welding, choosing suitable welding standard.
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