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PROBLEM
The sweeper fails to pick up large particles
of dirt or leaves traces of dirt behind.
Sweeper leaves dust on fl oor or dust
comes out from side fl aps
Dust inside the fi lter housing
Sweeper fails to pick up paper, leaves,
etc.
Motor sweeper throws dirt forwards
Rapid brush wear
Main brush noisy
The brushes fail to turn
Hopper does not rise
Hopper lowers in jerks
Dust and waste come out of hopper
Hopper lowers by itself
Rear door opens by itself
The sweeper does not move, or moves
slowl
The sweeper moves even with the
drive pedal in neutral
The
engine
cooling
liquid
illuminates (Diesel and Petrol sweeper)
TROUBLE-SHOTTING
CAUSE
Brush speed too slow
Working speed too fast
Brush pressure too light
Brush worn
Bristles bent, or string or wire, etc.,
entangled in brush
Dust
guide
plate
pressed material (fi g. 8)
Suction fan faulty
Hopper detached from fan mouth
Filters clogged
Flaps worn
No seals under fi lters
Filters broken
Front fl ap raiser not working
Front fl ap broken
Excessive brush pressure
Floor very abrasive
Material wound around brush
No oil in system
Oil cock shut off
Pressure too low in circuit
Oil fi lter clogged
Brush drive motor not functioning
Pump worn
Hopper overfull
Low pressure in the circuit
(should be 150 atmospheres)
Piston seals faulty
Pump faulty or worn
Pump does not supply enough oil
Door of the hopper seal broken
Door of the hopper not correctly closed
Cylinder seals faulty
Valve faulty
Cylinder seal faulty
Hydraulic fl uid low
Oil cock shut off
By-pass open
oil fi lter fouled
Front wheel drive hydraulic motor
damaged
Variable delivery pump faulty
Travel pedal recall cylinder badly set
indicator
Engine water radiator fi ns fouled
Engine cooling liquid level too low
CORRECTIVE ACTION
Increase hydraulic motor speed
Reduce working speed
Adjust brush pressure (trace on fl oor)
Replace brush
Remove string or wire
encrusted
with
Clean using an iron spatule
Check suction fan
Close the hopper tight
Clean fi lters
Replace fl aps
Fit seals
Replace them
Repair fl ap mechanism
Replace front fl ap
Reduce brush pressure (narrower trace)
Remove entangled material
Add oil
Open cock
Adjust pressure
Replace fi lter
Replace motor
Replace pump
Empty more frequently
Increase pressure
Replace
Replace
Increase motor speed
Replace
Take lever 6 to pos. B (fi g. 3)
Replace seals
Replace
Replace seals
Add oil
Turn on
Close
Replace
Replace
Replace
Adjust it
Clean radiator fi ns
Top up
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