Nilfisk-ALTO RS 850 - Manual (Page 157)

USER MANUAL ENGLISH
RS 850 33014576(4)2008-02 A 43
TROUBLESHOOTING
The following table shows the most common problems that may arise when using the machine, the possible causes and the
suggested remedies to solve them.
WARNING!
The suggested remedies must be performed by qualifi ed personnel, according to the instructions shown in this
Manual, if present, otherwise contact a Nilfi sk Service Center, where it is possible to consult the Service Manual.
For explanation or information, contact a Nilfi sk Service Center.
For troubleshooting the following optional equipments, refer to the relevant Manuals:
Salt spreader
Snow brush
Camera kit
PROBLEMS AND REMEDIES
Problem Possible cause Remedy
BROOMS
The brooms do not clean correctly The brooms are not adjusted correctly Adjust
The broom speed is not correct Adjust the speed
The brooms do not rotate The safety system stopped broom rotation
because the engine speed was excessive Decrease engine speed
Lack of tension in the solenoid valve Check the electrical system
There are oil leaks from the hydraulic system
fi ttings/hoses Repair/replace
The motor is faulty Replace
The accessory system pump does not
pressurize the oil in the circuit Check the oil pressure in the hydraulic system
Deactivated broom switch Activate
The fuse is blown Replace
The solenoid valve is burnt Replace
3RD BROOM ARM
The 3rd broom arm swings The tensioning springs are not correctly
adjusted Adjust
The end-of-stroke sensors are not correctly
adjusted Adjust
The 3rd broom arm does not shift sideways Broken safety pin Replace
Lack of tension in the solenoid valve Check the electrical system
The control valve assembly is stuck Repair
The cylinder gaskets are worn Overhaul the cylinder
The switch is deactivated Activate
The fuse is blown Replace
Open left/right shifting push-button Replace
The relay is burnt Replace
Burned solenoid valves Replace
3RD BROOM ARM
The 3rd broom arm does not lift/lower The control valve assembly is stuck Repair
The cylinder gaskets are worn Overhaul the cylinder
The fuse is blown Replace
Open lowering push-button Replace
Open lifting push-button Replace
The relay is burnt Replace
The solenoid valve is burnt Replace
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