旋下排液阀的盖子。如使用弯管,请将其套在阀门放料口的外螺纹上,并用手拧紧;
Remove sealing cap from the discharge valve. When using discharge tube, please?screw it onto the outlet of valve, and tighten it.
水泵的底阀、弯管等铸铁件,生了锈的要除锈,然后再涂上黄油,放在干燥处保存,以备冬春再用。
At the end of the pump valves, cast iron pipe and other items to be rusty rust, and then coated with butter, dry place on the preservation, re-use for winter and spring.
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