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Troubleshooting
RG,RG34710,5608 –19–27JUL06–5/8
Symptom Problem
Solution
High oil consumption Crankcase oil too light. Use proper viscosity oil.
Oil leaks. Check for leaks in lines, gaskets,
and drain plug.
Restricted crankcase vent tube. Clean vent tube.
Defective turbocharger. See your authorized servicing dealer
or engine distributor.
Engine emits white smoke Improper type of fuel. Use proper fuel.
Low engine temperature. Warm up engine to normal operating
temperature.
Defective thermostat. Remove and check thermostat.
Defective injection nozzles. See your authorized servicing dealer
or engine distributor.
Defective glow plugs (4045HF475, Test glow plugs (See 2000 hour/24
6068HF475) month maintenance section)
Engine emits black or gray Improper type of fuel. Use proper fuel.
exhaust smoke
Clogged or dirty air cleaner. Service air cleaner.
Engine overloaded. Reduce load.
Injection nozzles dirty. See your authorized servicing dealer
or engine distributor.
Electronic fuel system problem See your authorized servicing dealer
or engine distributor.
Turbocharger not functioning. See your authorized servicing dealer
or engine distributor.
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