Nilfisk-Advance Advance SC370 Service Manual page 53

Service Manual- SC370
Vacuum motor current and the corresponding voltage at port J1-9:
Vacuum Motor
Current (A)
0
5
10
15
20
25
The automatic float in the vacuum grid can prevent the vacuum motor (M2) from collecting any liquids.
When the recovery tank is full it can be emptied through the drain hose.
To work properly, the vacuum motor (M2) needs the following inputs/conditions:
 Vacuum function on
 Battery level not in condition with flashing segment
Wiring Diagram
Volts at J1-9 (V)
(Battery voltage=26V)
0
0.46
0.96
1.52
2.07
2.54
40 Recovery System 52