Nilfisk Scrubber BA 551

CAUTION! It is advisable to wear protective gloves when cleaning the brushes/pads because there may be sharp debris

Remove the brushes/pads, as shown in the User Manual

Clean and wash the brushes/pads with water and detergent

Check that the brush/pads are integral and not excessively worn; otherwise replace them

(For BA 551CD) Remove the debris container (A) by pulling it on one side with the handle (B). Empty and wash the debris container (A), and then install it by engaging it on the inside fasteners

Sign off on the brush pad cleaning

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

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

- SOLUTION FILTER CLEANING (For BA 451, BA 451D, BA 531, BA 531D, CA 451, CA 531, without EcoFlexTM system)

1. Drive the machine on a level floor

2.1 - (For BA 451D, BA 531D) Turn the ignition key (80) to “0”

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

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

3. Close the solution tap (A) under the machine left lower side. The tap (A) is closed when it is on the position (B) and it is open when it is on the position (C)

4. Remove the transparent cover (D), then remove the filter strainer (E). Clean and install them on the support (F)

NOTE! The filter strainer (E) must be correctly positioned on the housing (G) of the support (F)