Nilfisk Scrubber CA 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 daily brush pad cleaning

If the tank (21) contains recovery water

Drive the machine to the appointed recovery water disposal area

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

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

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

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

Drive the machine on a level floor

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

Drive the machine to the appointed recovery water disposal area

Lift the cover (A) to washing position (L)

Wash with clean water the cover (A), the tank (B) and the vacuum grid with automatic shut-off float (D)

Drain the water in the tank through the hose (16). If necessary, release the fasteners (E) and open the grid (D), recover the float (F), clean all the components and then reinstall them

Check the tank cover gasket (G) for integrity

NOTE: The hole (K), allowing to compensate the air in the cover interspaces, contributes to create vacuum in the tank. If necessary replace the gasket (G) by removing it from its housing (H). When assembling the new gasket, install the joint (I) in the rear central area, as shown in the figure

Check that the bearing surface (J) of the gasket (G) is integral and adequate for the gasket itself

Check the compensation hole (K) for clogging, and clean it if necessary

Clean the steel squeegee or the aluminium squeegee

Check that the edges of the front blade and the edges of the rear blade lay down on the same level

Adjust the height of the blades if necessary

Check the front blade and rear blade for integrity, cuts and tears

Replace or overturn the blades if necessary

Connect the vacuum hose to the squeegee

Install the squeegee and screw down the handwheels

Adjust the squeegee balance adjusting handwheel if necessary

Sign off on the squeegee blade check and replacement

- 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)