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Summary: Learn how to safely and easily empty liquid waste from a shop vac in this free educational video series.
"Hi, this is Jon on behalf of Expert Village. In this video clip, I'll be taking about emptying liquid waste. After you are done vacuuming up any type of liquids or wet debris, there is a couple of procedures you need to follow for cleaning it out. The first thing you need to do before you start this procedure is to unplug your unit from the wall. Next you want to depress both the tabs and remove the tank cover this is going to give you access to the tank and any liquids or moist debris that you may have vacuumed up. At this point, I also removed the holes and then I take the tank over to a suitable drain and dump it out. Once the tank has been emptied, you want to thoroughly wash out the inside and also the outside of your tank. In addition ,I run warm water through the holes this is going to clean that also and you're also going to want to clean that foam sleeve by removing that and washing that out. You're also going to want to rinse off any of these inside components of your tank cover."
eHow Article: How to Empty Liquid Waste from a Shop Vac