Nilfisk-ALTO Maintenance and repairs must be done by authorized personnel only., Always empty the solution tank and recovery tank before doing any maintenance., Keep all fasteners tight.

Figure #20
Nilfi sk ALTO Operator's Manual - SCRUBTEC 770 / 784 / 795 - 23 -
HOW TO OPERATE THE MACHINE
How to Clean a Very Dirty Floor
To clean a very dirty fl oor, follow this procedure:
1. Apply solution to the fl oor.
2. Do not lower the squeegee.
3. Do not activate the vacuum motor.
4. Lower the brushes and scrub the fl oor.
5. Leave the solution on the fl oor long enough for the solution to begin
cleaning the fl oor.
6. Scrub the fl oor again with additional solution, picking up all the solution
with the squeegee
MAINTENANCE
WARNING!
Maintenance and repairs must be done by authorized personnel only.
WARNING!
Always empty the solution tank and recovery tank before doing any
maintenance.
WARNING!
Keep all fasteners tight.
These Maintenance Procedures Must Be Done Every Day
Keep the machine clean, it will need fewer repairs and have longer life.
Do These Procedures When You Begin Your Work Period
1. Turn off key switch.
2. Unplug charger from AC outlet and wrap cord around bracket at rear of
machine.
3. Make sure the recovery tank lid is on correctly (see fi gure #20).
4. Make sure the Screen fi lter over the vacuum motor is clean and in position
(see fi gure #20).
5. Make sure the valve on the recovery drain hose is clean. Tightly close the
valve.
6. Make sure brush housings and skirts are in position on the brush head.
7. Make sure the brushes are in position and installed correctly
8. Check the installation of the squeegee and squeegee hose.