53
MAINTENANCE
ATTENTION:
the device will not start to move (either forward
or backward) if the potentiometer adjustment knob (9) is set to
minimum.
14. Lower the brush head unit by pressing the brush head control
pedal (10) on the back of the appliance (
Fig.13
).
15. Lower the squeegee unit using the lever (11) on the back of the
appliance (
Fig.14
).
16. When the dead man's lever (12) is activated (
Fig.15
), the brush
head gearmotor and the vacuum motor will enter into function. At
the same time, the solenoid valve and dosing system will begin
supplying the detergent solution to the brush.
17. Wait a few minutes, normally 2 – 4 minutes, to allow the dosing
system to be washed.
ATTENTION:
the machine will dispense solution during this
operation.
18. After these 2 - 4 minutes have passed, empty the solution
tank completely (read the paragraph titled “
”).
10
13
11
14
12
15
