Kubota WSM 05-E3B Series - Troubleshooting: Unsmooth Engine Revolution; Troubleshooting: Exhaust Gas Color Issues; Troubleshooting: Oil Leak into Exhaust;Suction Pipe

S-2
05-E3B, 05-E3BG, WSM
DIESEL ENGINE
W1125259
Symptom Probable Cause Solution
Reference
Page
Engine Revolution Is
Not Smooth
Fuel filter clogged or dirty Replace G-15, 16
Air cleaner clogged Clean or replace G-12, 15,
20
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut –
Injection pump malfunctioning Repair or replace S-22, 38
Incorrect nozzle opening pressure Adjust S-23
Injection nozzle stuck or clogged Repair or replace S-23, 24
Governor malfunctioning Repair S-39, 40
Turbocharger bearing worn out Replace the
turbocharger
assembly
S-30
Turbocharger shaft bent Replace the
turbocharger
assembly
S-30
Turbocharger fin or other part damaged due to
foreign matters
Replace the
turbocharger
assembly
S-30
Either White or Blue
Exhaust Gas Is
Observed
Excessive engine oil Reduce to specified
level
–
Piston ring and cylinder worn or stuck Repair or replace S-42, 43,
69
Incorrect injection timing Adjust S-21
Oil Leak into Exhaust
Pipe or Suction Pipe
Waste oil pipe clogged or deformed Repair or replace S-30
Piston ring seal faulty Replace the
turbocharger
assembly
S-30
Either Black or Dark
Gray Exhaust Gas Is
Observed
Overload Lessen the load –
Low grade fuel used Use specified fuel 5, 6, 7
Fuel filter clogged Replace G-15, 16
Air cleaner clogged Clean or replace G-12, 15,
20
Deficient nozzle injection Repair or replace
nozzle
S-23, 24
KiSC issued 12, 2007 A