Nilfisk RS 501 Manuel D'utilisation page 123

Problem
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
BRAKE SYSTEM
The machine brake system is not effi cient
The parking brake is not effi cient
STABILITY
When the machine moves the stability is
reduced
WHEELS
The rear wheels are noisy
DRIVE POWER
The machine drive power is reduced
The machine has no drive power
Possible cause
The pressure is insuffi cient
The control valve assembly is stuck
The cylinder gaskets are worn
The actuator is faulty
Out of water
The pump is not turned on
The water fi lter is clogged
The nozzles are clogged
The water pump relay is burnt
The pump is not operating
The water pump switch is deactivated
The fuse is blown
The water pump relay is burnt
The fl oat is stuck
The rear axle toe-in is incorrect
The power steering is faulty
The priority valve is faulty
The steering wheel drive hydraulic cylinder is
faulty
The brake fl uid level is low
The braking masses are worn or greasy
There is air in the line
The drum brake cylinder is faulty
The brake fl uid pump is faulty
The brake is misadjusted
The tyre pressure is incorrect
The wheel bearings are worn
The drive pedal is faulty
The by-pass is open
The drive system pump power decreases
The drive system motors are worn
The drive system pump deactivation screw for
machine pushing/towing is unscrewed
There are oil leaks from the hydraulic system
The drive system pump is broken
The drive system motor is broken
RS 501
USER MANUAL
Remedy
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
Replace
Check the brake fl uid level
Replace
Bleed the system
Replace
Overhaul
Adjust
Check the tyre pressure
Replace
Replace
Check the by-pass screw tightening
Check the hydraulic system oil pressure on the
drive system pump
Replace
Screw it down
Repair
Replace
Replace
33015501(3)2008-02 A
ENGLISH
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