PLDC01938
REVISION 00
01/06/2011
TECHNICAL DEPT.
Stavale
- date 05/09/2011
66/195
A5.2 Checking and/or replacing the solenoid valve
Checks
1
Obtain a digital multimeter able to read a direct current (DC) of at least 50V.
2
Move the machine to the tank draining area and completely empty both tanks.
3
Move the machine onto a flat dry area of floor.
4
Brake the machine by pressing pedal A to put the parking brake on.
5
Unscrew the knob B by turning it anticlockwise to release the dirty water and detergent tanks.
6
Raise the detergent and dirty water tanks.
7
Press the button C to command brush release then remove the brushes from under the head.
8
Wait for the LED indicating that the brushes can be attached to flash. Press button C again to perform an
automatic brush attachment operation without attaching the brushes.
9
With the head fully lowered, press the emergency
button D to block the position and avoid the head
returning to the standby position.
10
Disconnect the batteries by means of the connector
E, turn the ignition key to position “0”, restore the
emergency button D to the original position.
B
A
PHOTO 149
E
C
C
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