Nilfisk Scrubber BA 551

Machine driven to the appointed recovery water disposal area

Machine turned off correctly according to model

Cover lifted to washing position

Cover, tank, and vacuum grid washed with clean water

Water in the tank drained through the hose

Fasteners released and grid opened if necessary

Float recovered, components cleaned, and reinstalled if necessary

Tank cover gasket checked for integrity

Drive the machine on a level floor

Lower the squeegee (25) with the lever (10)

Loosen the handwheels (26) and remove the squeegee (25)

Disconnect the vacuum hose (15) from the squeegee

Clean the steel squeegee or the aluminium squeegee. Clean the compartments (A) and the hole (B) especially. Check the front blade (C) and the rear blade (D) for integrity, cuts and tears; otherwise replace them

Install the squeegee in the reverse order of removal

Clean the steel squeegee or the aluminium squeegee, according to the procedure shown in the previous step

Check that the edges (E) of the front blade (C) and the edges (F) of the rear blade (D) lay down on the same level, along their length; otherwise adjust their height according to the following procedure

Drive the machine to the appointed disposal area

Empty the recovery water tank (21) with the hose (16)

Place the machine on a hoisting system (if available). Otherwise, drive the machine on a level floor

(For BA 451D, BA 531D, BA 551D, BA 551CD, BA 611D) Turn the ignition key (80) to “0”

(For BA 451, BA 531, BA 551) Turn off the switches (71) and (73)

(For CA 451, CA 531, CA 551) Disconnect the power supply cable (59) from the electrical mains

Open the recovery water tank cover (22)

Remove the retaining plate (61) of the tank (40)

Remove the detergent remained in the hoses and in the pump

Turn on the machine by turning the ignition key (80) to “I”

Turn on the EcoFlexTM system by pressing the switch (77)

Check that the switch warning led (78) turns on

Press the switches (77) and (82a) at the same time, until the switch warning led (78) starts flashing

Wait for the warning led (78) to stop flashing and for the vacuum system to turn on

Collect the detergent remained on the floor

Drive the machine to the appointed disposal area, and empty the recovery water tank (21) with the hose (16)

Place the machine on a hoisting system (if available). Otherwise, drive the machine on a level floor

For CA 451, CA 531, CA 551 - Open the recovery water tank cover (22). Remove the retaining plate (61) of the tank (40)

Grasp the handle (41) and carefully lift the tank (40)

For CA 451, CA 531, CA 551 - Install the retaining plate (61)

WARNING! (For CA 451, CA 531, CA 551) When the maintenance/repair procedure is completed, the tank (40) must always be locked with the plate (61)