Every time the machine is used up, it must be filtered with clean waterSpecifications Material: Stainless Steel, PlasticCooling Mode: Circulating Air CoolingCapacity: 40L/11galPower: 1034wVoltage: 110VPump Power: 34wWater Absorption Motor Power: 1000wHeight: 88.5cm/34.84inBarrel Diameter: 33.5cm/13.18inAir Flow: 35L/sVacuum Suction: 230mbarPower Cord Length: 7m/22.96ftFitting Diameter: 4cm/1.57inWeight: 25kg/55.11blsPackage Included1*Cleaning Machine1*Carpet Water Sucker1*Water Vacuuming Head1*Dust Vacuuming Head1*Long Flat Vacuuming Head1*Round Brush1*Water Sucker1*Soft Tube1*Steel TubeDaily Operation Precautions1. This machine must not suck into flammable, explosive and corrosive substances.2. The main body of machine must not be wet or soaked in water.3. It is recommended that the user use a neutral detergent.4. Before using the pumping function, 15-25ml of defoaming agent must be added into the steel drum.5. Before using the pumping function, the dust bag inside the steel drum must be removed.6. Check the filter screen of the suction pipe in the clean water tank before use. The filter screen must be intact without damage and blockage.7. The temperature of the cleaning solution used in this machine should not be higher than 50 degrees Celsius.8. When the pump is turned on for 1 minute, the pump has working sound but no water comes out. The pump should be stopped, and should not be started until the causes of water failure are identified and eliminated.9. After the pumping operation, suck in clean water for 20-30 seconds to rinse the residual detergent in the pump and pipe.