Nilfisk Advance RS 501 Manuel D'utilisation page 102

USER MANUAL
Problem
SUCTION INLET AND SKIRT
The suction inlet does not collect debris
efficiently
The suction inlet does not lift
The suction inlet does not lower
The skirt opening force is not sufficient
The skirt does not open/close
HOPPER AND RELEVANT LID
The hopper does not lift/dump
The hopper does not return to horizontal
position/lower
The hopper lid does not open/close
DUST CONTROL SYSTEM NOZZLES
No water from the nozzles
No water to the nozzles
The water pump does not stop
STEERING SYSTEM
The machine does not move straightforward
The steering is hard
32
All manuals and user guides at all-guides.com
Possible cause
The suction fan is not engaged
Suction inlet incorrectly positioned
Stuck control valve assembly
Worn cylinder gaskets
Lack of pressure in the hydraulic system
Lack of pressure in the parachute valve
Incorrect skirt opening pressure
Deactivated switch
Burned solenoid valve
Not enough pressure
Stuck control valve assembly
Worn cylinder gaskets
Actuator failure
Out of water
Pump not turned on
Clogged water filter
Clogged nozzles
Burned water pump relay
Pump not operating
Deactivated water pump switch
Blown fuse
Burned water pump relay
Locked float
The rear axle toe-in is incorrect
Power steering failure
Priority valve failure
Steering wheel drive hydraulic cylinder failure Replace
Remedy
Engage the suction fan
Check the suction inlet and skirt height and
operation
Repair
Overhaul the cylinder
Check the pump pressure
Check the suction fan control valve assembly
pressure
Adjust the opening pressure
Activate
Replace
Increase the pressure
Repair
Overhaul the cylinders
Replace
Fill the tank
Turn on the pump
Clean/replace
Clean
Replace
Repair/replace
Activate
Replace
Replace
Repair
Adjust
Replace
Replace
33015501(2)2006-10 A