Operation and Maintenance Manual
Operating faults
Errors – Cause – Remedy
Malfunction / error
Cause
Remedy
The Diesel engine knocks.
There is a fault in the combustion.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
There is an error in the valve
clearance.
Adjust the valve clearance.
The injection nozzles are damaged
or carbonized.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
Bearing damages.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
The piston rings are worn or faulty,
the pistons are eroded.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
Abnormal noises from the engine.
There are leaks in the intake and
exhaust gas lines that cause a
whistling noise.
Seal the leaks and replace the
gaskets if necessary.
The turbine or compressor wheel
rubs against the housing; foreign
bodies have penetrated the
compressor or turbine; bearings may
be jammed.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
The lubricant pressure is too low.
The oil level in the oil sump is too
low.
Fill oil to prescribed mark.
The lubricant is too thin (oil diluted
by Diesel fuel).
Drain the oil and refill with the
specified oil.
The pressure sensor is faulty.
Check the oil pressure and replace
the damaged oil pressure
transducer. Contact your nearest
authorized Kohler service
representative. See "Service
Assistance" section.
The pressure limiting valve does not
work properly or is dirty.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
There is lubricant in the cooling
system.
Leak in the oil cooler or oil cooler
plate.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
There is coolant in the lubricant.
Leaks in the cylinder seals.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
Leak in the oil cooler or oil cooler
plate.
Contact your nearest authorized
Kohler service representative. See
"Service Assistance" section.
KD27V12 33521029401_3_1 en 2017-07-01
© 2017 by Kohler Co. All rights reserved.
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