Kohler KD62V12 Operation And Maintenance Manual page 138

Operating faults
Faults - Cause - Remedy
Malfunction / error
Black smoke from Diesel engine.
Exhaust gases blue.
Exhaust gases white.
Diesel engine rattles.
Diesel engine knocks.
Abnormal noises.
138
Cause
Injection nozzles stuck or inefficient.
Turbocharger failure (charge pres-
sure too low).
Engine overloaded.
Oil level in the Diesel engine too
high.
Lubricant reaches the combustion
chamber and is burned.
Compressor-side seal on the
exhaust gas turbocharger defective.
Crankcase ventilation defective.
Injection starts too late.
Operating temperature not reached.
Water in fuel system.
Charge air cooler leaking.
Combustion faults.
Wrong Valve clearance.
Injection nozzles damaged or
carbonized.
Bearing damage.
Piston rings worn or broken, pistons
eroded.
Leaks in the suction and exhaust
lines cause whistling noise.
Turbine or compressor wheel
rubbing against the housing; foreign
bodies in the compressor or turbine;
seized up bearings of rotating parts.
© 2019 by Kohler Co. All rights reserved.
Operation and Maintenance Manual
Remedy
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Adjust oil level.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Check, if necessary replace.
Contact your nearest authorized
Kohler service representative.
Warm up the engine until operating
temperature is reached.
Check fuel system and drain
prefilter.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Set valve clearance.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Contact your nearest authorized
Kohler service representative.
Seal leaks, replace seal if necessary.
Contact your nearest authorized
Kohler service representative.
KD62V12 33521030301_6_1 EN_US
2019-02