Open valve a to vent air from the vent hose.
开启阀门A从排气软管处排出空气。
Connect the vent hose to the axle shaft tube.
向主动轴管上连接通风管。
Open vent needle valve and bleed air from hose. Then close vent valve.
开启排气针形阀，并从软管排放空气。然后关闭排气阀。
Install drain hose to vent tube at bottom of pump.
在水泵底部安装排放管到排水管。
Install drain hose to vent tube at bottom of pump.
在水泵底部安装排放管到排水管。
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