Kubota M9540, Workshop Manual

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1-S2
M8540, M9540, WSM ENGINE
W1014322
Symptom Probable Cause Solution
Reference
Page
Engine Revolution Is
Not Smooth Fuel filter clogged or dirty Replace G-32
Air cleaner clogged Clean or replace G-25
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S39
Injection pump malfunctioning Repair or replace 1-S19, 52
Incorrect nozzle opening pressure Repair or replace 1-S21, 39
Injection nozzle stuck or clogged Repair or replace 1-S21, 39
Governor malfunctioning Repair 1-S44
Turbocharger bearing worn out Replace the
turbocharger
assembly 1-S36
Turbocharger shaft bent Replace the
turbocharger
assembly 1-S36
Turbocharger fin or other part damaged due to
foreign matters Replace the
turbocharger
assembly 1-S36
Either White or Blue
Exhaust Gas Is
Observed Excessive engine oil Reduce to specified
level G-18
Piston ring and cylinder worn or stuck Repair or replace 1-S73, 74,
78
Incorrect injection timing Adjust 1-S19
Oil Leak into Exhaust
Pipe or Suction Pipe Waste oil pipe clogged or deformed Repair or replace 1-S36
Turbocharger’s piston ring seal faulty Replace the
turbocharger
assembly 1-S36
Either Black or Dark
Gray Exhaust Gas Is
Observed Overload Reduce the load –
Low grade fuel used Use specified fuel G-9, 11
Fuel filter clogged Replace G-32
Air cleaner clogged Clean or replace G-25
Deficient nozzle injection Repair or replace
nozzle 1-S21, 39
KiSC issued 09, 2008 A