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53
Troubleshooting
PROBLEM
CAUSE
CORRECTIVE ACTION
The motor-sweeper fails to pick up large particles
of dirt or leaves traces of dirt behind.
Brush speed too slow
Working speed too fast
Brush pressure too light
Worn brush
Bristles bent, or string or wire, etc., entangled in brush.
Main brush conveyor encrusted by pressed material.
increase rpm of the motor
Reduce working speed
Adjust brush pressure (trace on floor).
Lower or replace brush
Remove string or wire, etc.
Descale with an iron scraper
Sweeper leaves dust on floor or dust comes out
from side flaps.
The vacuum fan do not work
Clogged filters
Flaps badly adjusted or worn
Vacuum fan speed too slow
Activate the vacuum fan
Clean filters
Adjust or replace flaps
Increase motor speed
Dust presence in the filter housing
Loose filters
Lack of seals under filters
Broken filters
Tighten
Fit seals
Replace
It does not pick up big material: paper, leaves, etc.
Front flap lifter does not work
Repair possible failure
It throws material forward
Broken front flap
Replace
Excessive brush wear
Trace too heavy
Very abrasive surface to be cleaned
Adjust the brush
Excessive or alternating noise of main brush.
Material wound around the brush
Remove material
The brushes do not turn
Circuit without ol
Oil cock shut off
Oil pressure too low in the circuit
Brush motor not functioning
Damaged Pump
Blown fuses
Top up oil
Turn on
increase pressure
Replace motor
Replace
Replace
Vacuum fan drive electric motor does not work.
Blown fuse
Replace
The sweeper doesn’t move or it moves slowly.
Circuit without oil
Clogged oil filter
Open By-pass
Top up oil
Clean filter
Close
Neither forward nor reverse drive work.
Drive motor cables disconnected
By-pass open lever
Remote switch faulty
Blown faulty
Circuit without oil
Clogged oil filter
Damaged wheel motor
Damaged Pump
Check connections
Close
Replace
Replace
Top up oil
Replace filter or clean it
Replace
Replace
Steering wheel has excessive clearance.
Loosed chain
Stretch
Refuse container loses the refuses
Refuse container too full
Refuse container close incorrecly
Broken container seals
Empty more often
Close
Replace
Refuse container does not rise
Container overfull
Low pressure in the circuit
(should be 135 atmospheres)
Piston seals faulty
Pump faulty
Empty more frequently
Increase pressure
Replace
Replace
Refuse container lowers in jerks
Pump does not supply enough oil
Increase rpm of the motor
Refuse container lowers by itself
Cylinder seals faulty
Acting valve faulty
Replace seals
Replace
Rear door opens by itself
Cylinder seal faulty
Replace seals