John Deere CD4039DF008 - Manual (Page 72)

Troubleshooting
DPSG,CD03523,49 –19–10AUG99–3/5
Symptom Problem Solution
Injection pump out of time. See your authorized servicing dealer
or engine distributor.
Turbocharger not functioning. See your authorized servicing dealer
or engine distributor.
Leaking exhaust manifold gasket. See your authorized servicing dealer
or engine distributor.
Defective aneroid control line. See your authorized servicing dealer
or engine distributor.
Restricted fuel hose. Clean or replace fuel hose.
Low fast idle speed. See your authorized servicing dealer
or engine distributor.
Low oil pressure Low oil level. Add oil.
Improper type of oil. Drain and fill crankcase with oil of
proper viscosity and quality.
High oil consumption Crankcase oil too light. Use oil of correct viscosity.
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.
Engine out of time. See your authorized servicing dealer
or engine distributor.
55-3
112699
PN=72
Continued on next page