Dynapac F1000W T4f, Operation & Maintenance Manual

Page: 189 / 275

D 4.0 24
2.2 Malfunctions on the paver or screed
Malfunction Cause: Remedy
At the diesel engine Diverse
See operating instructions for
the engine
Diesel engine does
not start
Batteries drained
See ”External starting”
(start assistance)
Other see ”Towing”
Tamper or vibration
does not operate
Tamper is obstructed by
cold bitumen
Properly heat the screed
Hydraulic oil level in the
tank is too low
Fill with 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 dirty or plugged
(clogged)
Replace the filter
Conveyor or augers
run too slowly
Hydraulic oil level in the
tank is too low.
Fill with oil
Power supply is interrupted
Check fuses and cables; replace
if necessary
Sensor is defective Replace the sensor
One of the pressure limit-
ing valves is defective
Repair or replace the valves
Pump shaft broken Replace the pump
Limit sensor does not regu-
late correctly
Check the sensor; replace the
sensor if necessary
Pump is defective
Replace the pump. Check the
system for contaminants
Oil filter is dirty or plugged Replace the filter
Hopper cannot be
swung open
Engine speed is too low Increase the speed
Hydraulic oil level is too low Fill with oil
Leak in the suction line Tighten the connections
Flow rate regulator
defective
Replace
Leaking seals in the
hydraulic cylinder
Replace
Control valve is defective Replace
Power supply interrupted
Check fuse and cables; replace
if necessary