D 41 34
2 Malfunctions
2.1 Malfunctions - cause - remedy
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"
Conveyor belt runs
too slowly
Hydraulic oil level in the tank
is too low
Top up oil
Power supply is interrupted
Check fuses and cables;
replace if necessary
Switch is defective Replace the switch
Pressure limiting valves
defective
Repair or exchange valve
Pump shaft broken Replace the pump
Pump is defective
Check the high pressure filter for
dirt particles; replace if necessary
Oil filter is soiled
Clean the filter; if necessary,
replace the filter
Conveyor belt can-
not be raised
Oil pressure too low Increase the oil pressure
Leaking seal Replace
Power supply is interrupted
Check fuse and cables;
replace if necessary
Switch is defective Replace the switch
Conveyor belt lowers
inadvertently
Control valve is defective Replace
Leaking hydraulic cylinder
sleeves
Replace
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
hydraulic cylinder
Replace
Control valve is defective Replace
Power supply interrupted
Check fuse and cables;
replace if necessary
Hoppers lowers
inadvertently
Control valve is defective Replace
Leaking hydraulic
cylinder sleeves
Replace
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