FACA AAC AC-SIMILE LE - Nilfisk PARTS - Nilfisk-Advance
FACA AAC AC-SIMILE LE - Nilfisk PARTS - Nilfisk-Advance
FACA AAC AC-SIMILE LE - Nilfisk PARTS - Nilfisk-Advance
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USER MANUAL<br />
TROUB<strong>LE</strong>SHOOTING<br />
The following table shows the most common problems that may arise during the use of the machine, the possible causes and<br />
the suggested remedies to solve them.<br />
WARNING!<br />
The suggested remedies must be performed by qualified personnel, according to the instructions of this<br />
Manual, if present, otherwise contact a <strong>Nilfisk</strong>-<strong>Advance</strong> Service Center, where it is possible to consult the<br />
Service Manual.<br />
For explanation or information, contact a <strong>Nilfisk</strong>-<strong>Advance</strong> Service Center.<br />
PROB<strong>LE</strong>MS AND REMEDIES<br />
Problem Possible cause Remedy<br />
BROOMS<br />
The brooms do not clean correctly The brooms are not adjusted correctly Adjust<br />
Broom speed is not correct Adjust the speed<br />
The brooms do not rotate<br />
Oil leaks from the hydraulic system<br />
fittings/hoses<br />
Hydraulic motor failure<br />
Repair/replace<br />
Replace<br />
The accessory system pump does not Check the oil pressure in the hydraulic<br />
SUCTION FAN<br />
pressurize the oil in the circuit<br />
system<br />
The suction fan is noisy<br />
The suction fan rotates but suction is not<br />
efficient<br />
The suction fan does not rotate<br />
SUCTION IN<strong>LE</strong>T AND SKIRT<br />
The suction inlet does not collect debris<br />
efficiently<br />
The suction inlet does not lift<br />
Not-lubricated fan bearings<br />
Check the automatic grease nipple for<br />
efficiency<br />
Worn fan bearings Replace<br />
Hydraulic motor failure Repair<br />
Clogged dust filters Clean<br />
Clogged suction pipe Clean<br />
Cut/torn suction pipe Replace<br />
Broken or wrongly positioned gasket between<br />
the suction inlet and the hopper<br />
Replace/adjust<br />
Lack of pressure in the suction fan motor<br />
drive pump<br />
Adjust the pump pressure<br />
Stuck control valve assembly Repair<br />
Motor failure Replace<br />
Pump failure Replace<br />
The suction fan is not engaged Engage the suction fan<br />
Suction inlet incorrectly positioned<br />
Check the suction inlet and skirt height and<br />
operation<br />
Stuck control valve assembly Repair<br />
Worn cylinder gaskets Overhaul the cylinder<br />
Lack of pressure in the hydraulic system Check the pump pressure<br />
The suction inlet does not lower Lack of pressure in the parachute valve<br />
Check the suction fan control valve assembly<br />
pressure<br />
The skirt opening force is not sufficient Incorrect skirt opening pressure Adjust the opening pressure<br />
The skirt does not open/close<br />
Deactivated switch Activate<br />
Burned solenoid valve Replace<br />
33014085(3)2006-06 A 29
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