Trouble shooting table 13 Lube oil pressure varies / too low D Oil level in oil pan too low D Oil level in oil pan too high D Max. inclination exceeded D Engine temperature too high D Oil viscosity unsuitable (viscosity too low) D Oil in oil pan too thin (mixed with con- densation or fuel) D Heavy bearing wear D Oil pump gears heavily worn D Safety valve in oil circuit defective (does not shut, spring fatigued or broken) D Oil pressure gauge defective D Dipstick marked correctly?
See Operator’s Manual D See ”Fuels, Lubricants ...” Lub oil pressure too high D Engine cold D Oil viscosity unsuitable (viscosity too high) D Safety valve in oil circuit defective (does not open) D Oil pipes/oil galleries clogged D Oil pressure gauge defective D See ”Fuels, Lubricants ...” Lube oil consumption too high D Leaks in the lube oil circuit, particularly at the turbocharger and oil cooler D Oil level in oil pan too high D Lube oil quality does not satisfy regula- tions D Turbocharger wear D Piston rings heavily worn D Valve guides heavily worn D See ”Fuels, Lubricants ...” D Measure play of rotor