Re: Pump Out ... SM

Jim Anderson

Just to add an additional pumpout tip for the SM's that are equipped with the standpipe: Just like on the water and diesel tanks, on the holding tank caps there is a cable attached so that they don't go overboard. When attaching the pumpout suction hose and pressing it firmly into the opening, this little cable coming up and out through the hole will sometimes be enough of an obstruction so as to cause an air leak and prevent the pumpout hose from getting enough suction to empty the tank. To solve this just use a cup and pour a little water around the opening as the hose is sucking. This will stop the hose from sucking air long enough to get the suction hose to start sucking from the tank. Hopefully this is helpful.

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