Remove filter head, open bayonet catch of impeller lid, remove defective impeller with axis and bearings and replace them with spare impeller and new bearings. Complete kit with all replaceable parts. JBL pulling aid for impeller bearing facilitates the replacement of the bearings which are difficult to reach. Impeller always needs to be replaced together with axis and bearings.
Kit consists of:
CristalProfi e1901/1902 Impeller. Ceramic axis. Ceramic bearing. Rubber buffers.