USER MANUAL ENGLISHBA 551 - BA 551D - BA 551CD - BA 611D 909 6752 000(3)2010-03 A 25BRUSH/PAD CLEANINGCAUTION!It is advisable to wear protective gloves when cleaning the brushes/pads/cylindrical brushes because there canbe sharp debris.Remove the brushes/pads from the machine, as shown in the Use chapter.1.Clean and wash the brushes/pads with water and detergent.2.Check the brushes/pads for integrity and wear; if necessary replace them.3.On the machines equipped with the cylindrical brush deck, remove the debris container (D, Fig. 3) by pulling it on one side with4.the handle (E).Empty and wash the debris container (D), and then install it by engaging it on the fasteners.TANK AND VACUUM GRID WITH FLOAT CLEANING, AND COVER GASKET CHECKDrive the machine to the appointed disposal area.1.(Only for2. BA 551D, BA 551CD, BA 611D): Turn the ignition key (80) to “0”.(Only for BA 551): Turn off the machine by pressing the switch (71) and/or (73).Open the cover (A, Fig. 8) to washing position (L).3.Wash with clean water the cover (A), the tanks (B and C) and the vacuum grid with automatic shut-off float (D).4.Drain the water from the tanks with the hoses (16 and 17).If necessary, release the fasteners (E) and open the grid (D), recover the float (F), clean all the components and then reinstall5.them.Check the tank cover gasket (G) for integrity.6.NOTEThe gasket (G) creates vacuum in the tank that is necessary for vacuuming the recovery water.If necessary replace the gasket (G) by removing it from its housing (H). When assembling the new gasket, install the joint (I) inthe rear central area, as shown in the figure.Check that the seating surface (J) of the gasket (G) is integral and adequate for the gasket itself.7.Check the compensation hole (K) for clogging, and clean it if necessary.8.NOTEThe hole (K), allowing to compensate the air in the cover air gap, contributes to create vacuum in the tank.Close the cover (A).9.HDEEFGILKGABCJFigure 8S311318