ENGINE
M6060, M7060, WSM
1-S2
The engine revolution
is not smooth
The fuel filter is clogged Replace G-35
The air cleaner is clogged Clean or replace the
air cleaner element
G-27
Fuel leakage because of loose injection pipe
retaining nut
Tighten the retaining
nut
1-S32
The supply pump is damaged Replace 1-S41
The injector is damaged Replace 1-S35
The turbocharger bearing is worn out Replace the
turbocharger
assembly
1-S30
The turbocharger shaft is bent Replace the
turbocharger
assembly
1-S30
The turbocharger fin or other part has a damage
because of unwanted materials
Replace the
turbocharger
assembly
1-S30
The exhaust gas is
white or blue
Too much engine oil Reduce it to the
specified level
G-22
The piston ring, piston and cylinder is worn out Replace the piston
ring or piston, or
repair the cylinder
1-S53,
1-S69,
1-S70,
1-S76
There is oil leakage
into the exhaust pipe
or suction pipe
The oil pipe is clogged or has a damage Examine, replace or
clean the oil pipe
–
The piston ring seal of the turbocharger is
damaged
Replace the
turbocharger
assembly
1-S30
The exhaust gas is
black or dark gray
Filter comp (DPF) is damaged Replace 1-S21
Overload Decrease the load –
The grade of the fuel is low Replace the specified
fuel
G-14
The fuel filter is clogged Replace G-35
The air cleaner is clogged Clean or replace the
element
G-27
The injector is damaged Replace 1-S35
The output is
deficient
The moving parts of engine have a seizure Repair or replace –
The supply pump is damaged Replace 1-S41
The injector is damaged Replace 1-S35
There is compression leakage Examine the
compression
pressure and repair
1-S11
There is a gas leakage from the exhaust system Repair or replace 1-S30
The air cleaner is clogged Clean or replace the
element
G-27
There is an air leakage from the compressor
discharge side
Replace the
turbocharger
assembly
1-S30
Symptom Probable Cause Solution
Reference
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