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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.
The sweeper throws dirt forwards
Rapid brush wear
Main brush noisy
The brushes fail to turn
Refuse bin does not rise
Refuse bin lowers in jerks
Dust and waste come out of bin
Refuse bin lowers by itself
Rear door bin opens by itself
The sweeper does not move, or moves slowly
The sweeper moves even with the drive pedal in neutral
Excessive backlash on steering wheel
The engine cooling liquid indicator illuminates (Koh-
ler and Kubota engine)
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 encrusted with pressed material
Vacuum fan faulty
Bin detached from fan mouth
Filter clogged
Flaps worn
Filters broken
Seals of fi lter housing worn
Front fl ap raiser not working
Front fl ap broken
Excessive brush pressure
Floor very abrasive
Material wound around brush
No oil in circuit system
Oil cock shut off
Pressure too low in circuit
Brush drive motor not functioning
Pump or seals are damaged
Bin overfull
Low pressure in the circuit (should be 130 atm.)
Piston seals faulty
Pump or seals are damaged
Hydraulic oil in circuit poor
Hydraulic oil fi lter clogged
Level low inside the hydraulic oil tank
Seal door faulty
door not closed
cylinders seals faulty
valve faulty
cylinders seals faulty
hydraulic circuit without oil
Oil cock shut off
By-pass open
Hydraulic oil fi lter clogged
Front wheel hydraulic oil motor damaged
Delivery pump or its seals damaged
Travel pedal recall cylinder badly set
Chain slack
Engine water cooler fi ns fouled
Engine cooling liquid level too low
90
Corrective action
Increase hydraulic motor speed
Reduce working speed
Adjust brush pressure (trace on fl oor)
Replace brush
Remove string or wire
Clean using an iron spatule
Check fan
Close the bin tight
Clean fi lter
Replace fl ap
Replace
Replace
Check or in case repair
Replace
Reduce brush pressure (narrower trace)
Remove
Add oil
Open cock
Adjust pressure
Replace
Replace seals or pump
Empty more frequently
Increase pressure
Replace
Replace seals or pump
Add hydraulic oil
Replace
Top up level
Replace seals
Take lever 6 to pos. B (fi g.1)
Replace
Replace
Replace seals
Add oil
Open cock
Close
Replace
Replace
Replace seals or pump
Adjusting cylinder
Adjusting the chain tension
Clean cooler fi ns
Top up level
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