To use a washer without causing leakage of water from a water level detector or a connection part of an air suction duct, etc., and without causing overflow of water from an opening part of a washing tank when performing other water job without operating a washer.

A draining mechanism for discharging washing water from the inside of a washing tank 22 has the first draining hose 42 for draining through a draining pump 34 and a second draining hose 46 for draining without through the pump 34. Thus, water in the tank 22 can be discharged through the second hose 46 when performing other water job without operating the washer.