D 48
D F6C.GB 48-50 0504
4.2 Paver finisher malfunctions
Malfunction Cause Remedy
At the diesel engine Diverse
See operating instructions for
the engine
Diesel engine does
not start
Batteries empty
See „External starting“
(start assistance)
Diverse see „Towing“
Tamper or vibration
is not functioning
Tamper is obstructed by cold bitu-
men
Properly heat the screed
Hydraulic oil level in the tank is
too low
Top up the oil
Pressure limiting valve is defec-
tive
Replace the valve; if necessary,
repair and adjust the valve
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 the 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
Limit switch does not switch or
regulate correctly
Check the switch; replace and
adjust the switch if necessary
Pump is defective Replace the pump
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 the oil
Leaking seals of the hydraulic cyl-
inder
Replace
Control valve is defective Replace
Power supply interrupted
Check fuses and cables;
replace if necessary
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