USER MANUAL
ENGLISH
RS 501
33015501(3)2008-02 A
35
Problem
Possible cause
Remedy
HOPPER AND RELEVANT LID
The hopper does not lift/dump
The pressure is insuffi cient
Increase the pressure
The control valve assembly is stuck
Repair
The hopper does not return to horizontal
position/lower
The cylinder gaskets are worn
Overhaul the cylinders
The hopper lid does not open/close
The actuator is faulty
Replace
DUST CONTROL SYSTEM NOZZLES
No water from the nozzles
Out of water
Fill the tank
The pump is not turned on
Turn on the pump
The water fi lter is clogged
Clean/replace
The nozzles are clogged
Clean
No water to the nozzles
The water pump relay is burnt
Replace
The pump is not operating
Repair/replace
The water pump switch is deactivated
Activate
The fuse is blown
Replace
The water pump relay is burnt
Replace
The water pump does not stop
The fl oat is stuck
Repair
STEERING SYSTEM
The machine does not move straightforward
The rear axle toe-in is incorrect
Adjust
The steering is hard
The power steering is faulty
Replace
The priority valve is faulty
Replace
The steering wheel drive hydraulic cylinder is
faulty
Replace
BRAKE SYSTEM
The machine brake system is not effi cient
The brake fl uid level is low
Check the brake fl uid level
The braking masses are worn or greasy
Replace
There is air in the line
Bleed the system
The drum brake cylinder is faulty
Replace
The brake fl uid pump is faulty
Overhaul
The parking brake is not effi cient
The brake is misadjusted
Adjust
STABILITY
When the machine moves the stability is
reduced
The tyre pressure is incorrect
Check the tyre pressure
WHEELS
The rear wheels are noisy
The wheel bearings are worn
Replace
DRIVE POWER
The machine drive power is reduced
The drive pedal is faulty
Replace
The by-pass is open
Check the by-pass screw tightening
The drive system pump power decreases
Check the hydraulic system oil pressure on the
drive system pump
The drive system motors are worn
Replace
The machine has no drive power
The drive system pump deactivation screw for
machine pushing/towing is unscrewed
Screw it down
There are oil leaks from the hydraulic system
Repair
The drive system pump is broken
Replace
The drive system motor is broken
Replace
Содержание RS 501
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