PLDC04452
REVISION 00
December 23, 2020
TECHNICAL OFFICE
Stavale
1
Use a tester set to read resistance in
ȍ
or check the diodes, see Figure 50.
2
Move the machine to the tank draining area, and completely empty the dirty water tank.
3
Move the machine onto flat and dry flooring.
4
Press the emergency switch (Traction) or switches into position "0" (Pad Assist).
5
Identify the point where the float is fitted on the dirty water tank.
6
Unscrew the three bolts
A
that fasten the instrument panel to the solution tank.
7
Identify the float connector
B
.
8
Unplug the connector
B
so as to be able to perform the check.
9
Connect the two tester probes to the pins on the float connector, the position is not important.
10
Keep the float raised by hand or hold it position with an elastic band, see Figure 49.
11
If the float is working correctly, the tester will emit a BEEP (if featured), or will display
a value with just zeroes.
11a
Plug the connector back in.
12
If the tester display does not change:
12a
Check that the moving part of the float can come into contact with the fixed part.
12b
Reposition the float.
B3.3 Checking operation of the dirty water tank float
Fig. 51
Fig. 47
Fig. 48
Fig. 49
Fig. 50
A
A
B
28 of 68
