Troubleshooting - Nilfisk-ALTO SWEEPER R 680 P User Manual

TROUBLESHOOTING

Trouble
The engine does not start with the ignition
key.
The engine stops during operation.
The machine collects little debris/dust.
When pressing the drive pedal, the
machine does not move, or it moves
slowly.
The hopper does not lift.
The hopper does not dump.
The hopper does not lower.
When the engine compartment hood (13)
is open, the engine keeps running.
(*) For the relevant procedure, see the Petrol Engine Manual.
(**) Procedure to be performed by Nilfi sk Alto Service Center.
For further information, refer to the Service Manual, available at any Nilfi sk Alto Service Center.
1463514000(1)2008-05 A
Possible cause
The hood (13) is not properly closed.
The engine oil level is too low.
The machine has run out of fuel.
The fuel does not reach the carburettor.
The spark plug does not produce a spark.
The engine oil level is too low.
The machine is running out of fuel.
The fuel fi lter is dirty.
The vacuum system is turned off.
The dust fi lter is clogged.
The hopper is full.
The skirts are not integral or not properly
adjusted.
The broom height is not properly adjusted.
The parking brake is engaged.
The hydraulic system oil level is incorrect.
The centrifugal pulley does not operate
properly.
The drive pedal is not properly adjusted.
The hydraulic system oil level is incorrect.
The F4 or F7 fuse is open.
The F7 fuse is open.
The hopper is not lifted enough.
The hopper has not returned to horizontal
position.
In case of particular weather conditions, the
hydraulic system oil is slow in fl owing through
the safety valve.
The hood safety microswitch does not work.
USER MANUAL
Remedy
Close the hood properly.
Check that the engine oil level is within the limits. (*)
Check that there is fuel in the tank (30).
Check that the fuel reaches the carburettor and that
the fuel fi lter is clean. (*)
Check that the spark plug produces a spark. (*)
Check that the engine oil level is within the limits. (*)
Check that there is fuel in the tank (30).
Clean the fuel fi lter. (*)
Turn on the vacuum system with the switch (56).
Clean the dust fi lter.
Empty the hopper (4).
Check the skirts (16, 17, 18, 19) for integrity and
proper adjustment.
Adjust the height of the brooms (10, 11, 12).
Check that the parking brake (84 and 76) has been
released.
Check the hydraulic system oil level in the tank (28).
Check that the centrifugal pulley (petrol engine-drive
pump coupling joint) operates properly. (**)
Adjust the drive pedal. (**)
Check the hydraulic system oil level in the tank (41).
Replace the fuse.
Replace the fuse.
Lift the hopper over 300 mm.
Turn the hopper to horizontal position.
Wait a few moments to let the hydraulic system oil
fl ow.
Repair the microswitch. (**)
FLOORTEC R 680 P
ENGLISH
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