Dishwashing machine with lower and upper spray arm and rinse water circulating pump

摘要

The dishwashing machine includes a sump (11) at the bottom covered by a strainer plate (15). A first recess in the strainer plate, has a coarse filter (13) through which, by means of an incorporated wash liquor pump (12), the rinse water is removed by suction. A second recess of the strainer plate, separated from the wash liquor pump by radial bearings, has a lower spray arm (8) positioned with a downward opening bearing shell (2) in a rotatable position. The bearing shell of the lower spray arm is enclosed by a fine filter (7) which is held by the radial bearing. The circulating pump (4) with the pump assembly (1) projects into the bearing shell, serving as a pump casing, of the lower spray arm. The bearing shell with the outer collar is placed in a vertically adjustable position and can be raised in the circulating operation by the flow of rinse water and is used for coupling the lower spray arm to a coupling portion (3) arranged in the lower crockery basket (40).