D 41 40
2.2 Malfunctions on the paver finisher or screed
Malfunction Cause Remedy
At the diesel engine Various
See operating instructions for the
engine
Diesel engine does
not start
Batteries empty
See "External starting"
(start assistance)
Various see "Towing"
Tamper or vibration is
not functioning
Tamper is obstructed by cold
bitumen
Properly heat the screed
Hydraulic oil level in the tank
is too low
Top up oil
Pressure limiting valve is
defective
Replace the valve; if necessary,
repair and adjust the valve
Leak in the suction line
of the pump
Seal or replace the connections
Tighten or replace the hose
clamps
Oil filter is soiled
Clean the filter; if necessary,
replace the filter
Conveyor or augers
run too slowly
Hydraulic oil level in the tank
is too low
Top up oil
Power supply interrupted
Check fuses and cables;
replace if necessary
Switch is defective Replace the switch
One of the pressure limiting
valves is defective
Repair or exchange the valves
Pump shaft broken Replace the pump
Limit switch does not switch
or regulate correctly
Check the switch; replace and
adjust the switch if necessary
Pump is defective
Check the high pressure filter for
dirt particles; replace if necessary
Oil filter is soiled Replace the filter
Hopper cannot be
swung open
Engine speed is too low Increase the speed
Hydraulic oil level is too low Top up oil
Leak in the suction line Tighten the connections
Flow rate regulator defective Replace
Leaking seals of the hydrau-
lic cylinder
Replace
Control valve is defective Replace
Power supply interrupted
Check fuse and cables;
replace if necessary
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