37
Troubleshooting
Problem Cause Action
Engine does not start Stop magnet does not pull Check cable to stop magnet
No fuel left Fill with fuel and bleed if necessary
Fuel lter clogged up Change fuel lter
Air leakage in fuel system Trace fault and take action
Injector nozzle tube loose or broken Tighten or change
Injector defective Change injector
Fuel pump not working Check power supply/change fuel pump
Starting spring of injection pump damaged Change/repair injection pump
Engine does not rotate Battery discharged Charge battery
Battery cable loose Secure battery cable
Main switch turned off Turn on main switch
Starter motor defective Repair/change starter motor
Engine has seized Repair/change engine
Engine lacks power Speed governor not working properly Change injection pump
Engine overheated Clean cooling system
Fuel lter clogged up Change fuel lter
Air lter clogged up Change air lter
Injectors worn Repair/change
Injector nozzle tube loose or broken Tighten or change
Poor compression Check cylinder head gasket and valves
Engine runs unevenly Fuel lter clogged up Change fuel lter
Air in the fuel Bleed fuel system
Spray nozzles not working properly Lifting roller of injection pump worn
Speed governor functions poorly Change/repair injection pump
Exhaust white or blue Leaking cylinder head gasket Change cylinder head gasket
Exhaust black Injection pump piston worn
or return spring broken Change/repair injection pump
Injector hung up or return spring broken Change injector
Injector heavily clogged up Clean injector
Injection pressure too low Change injector
Air lter blocked Change air lter
Engine runs warm Thermostat not working Change thermostat
Fan drivebelt slack Tension fan belt
Insufcient coolant Top up coolant
Radiator clogged up Clean radiator
Radiator frozen Add more glycol
Machine does not
move (engine running) Gear in neutral Change gear
Winch connected up, wire rope locked Disconnect winch
Drive lever wire defective Adjust or change
The machine does No hydraulic oil left Fill up with hydraulic oil
not turn Drive lever wire defective Adjust or change
Hydraulic pressure too low Check overow valve
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