PLDC04452
REVISION 00
December 23, 2020
TECHNICAL OFFICE
Stavale
1
Move the machine onto flat and dry flooring.
2
Press the emergency switch (Traction) or switches into position "0" (Pad Assist).
3
Make sure that the batteries on the machine are charged.
4
Use a clamp-on ammeter with an end scale reading of at least 200 amperes, as shown in Figure 16.
5
Remove the suction hose
A
from the squeegee, see Figure 17.
6
Lift and turn the top dirty water tank.
7
Isolate one of the two power wires
B
to the suction motor.
8
Connect the ammeter clamp around one of the two wires
B
as shown in Figure 18.
9
Switch the ammeter to
amperes
and
DC.
10
Turn the ignition key on the mushroom-shaped switch clockwise to connect power.
11
Start the suction motor by pressing the corresponding button on the instrument panel.
12
Read the
CURRENT
(A) drawn by the suction motor.
13
Compare the values measured against the chart below.
14
If all the values are normal close the top dirty water tank again.
15
If the measurements do not correspond to those specified:
15a
Check that the suction hose
B
is in good condition, is not crushed and is not blocked inside.
15b
Check that the motor carbon brushes are intact, see paragraph B1.2, if necessary replace them
with new ones.
15c
Replace the suction motor with a new one, see paragraph B1.3.
Current input A (amperes)
Min
Max
No load (hose open)
15.0 A
B1.1 Checking the suction motor current input
19.0 A
Fig. 16
B
Fig. 18
Fig. 17
A
B
14 of 68
