Kubota MX5100 - Page 94

1-S2
MX5100, WSM
ENGINE
W1011567
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-26
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S38
Injection pump malfunctioning Replace 1-S43
Incorrect nozzle opening pressure Adjust 1-S22
Injection nozzle stuck or clogged Repair or replace 1-S22
Governor malfunctioning Repair 1-S44
Turbocharger bearing worn out Replace the
turbocharger
assembly
1-S37
Turbocharger shaft bent Replace the
turbocharger
assembly
1-S37
Turbocharger fin or other part damaged due to
foreign matters
Replace the
turbocharger
assembly
1-S37
Either White or Blue
Exhaust Gas Is
Observed
Excessive engine oil Reduce to specified
level
G-8
Piston ring and cylinder worn or stuck Repair or replace 1-S51
Incorrect injection timing Adjust 1-S19
Oil Leak into Exhaust
Pipe or Suction Pipe
Oil pipe clogged or deformed Repair or replace 1-S37
Turbocharger’s piston ring seal faulty Replace the
turbocharger
assembly
1-S37
Either Black or Dark
Gray Exhaust Gas Is
Observed
Overload Reduce the load –
Low grade fuel used Use specified fuel G-8
Fuel filter clogged Replace G-32
Air cleaner clogged Clean or replace G-26
Deficient nozzle injection Repair or replace
nozzle
1-S22