Nilfisk Scrubber CA 531

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)

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

Drive the machine on a level floor

Lower the squeegee with the lever

Loosen the handwheels and remove the squeegee

Disconnect the vacuum hose from the squeegee

Clean the steel or aluminium squeegee

Install the squeegee in the reverse order of removal

Clean the steel or aluminium squeegee again

Check the edges of the front blade and the edges of the rear blade

- 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)

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