Kubota WSM 07-E3B Series User Manual

S-2
07-E3B SERIES, WSM
ENGINE
W1036076
Symptom Probable Cause Solution
Reference
Page
Engine Revolution Is
Not Smooth
Fuel filter clogged or dirty Replace G-13, 15
Air cleaner clogged Clean or replace G-12, 25
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut S-45
Injection pump malfunctioning Repair or replace S-29, 62
Incorrect nozzle opening pressure Repair or replace S-30, 46
Injection nozzle stuck or clogged Repair or replace S-30, 46
Governor malfunctioning Repair S-57, 58
Turbocharger bearing worn out Replace the
turbocharger
assembly
S-35, 41
Turbocharger shaft bent Replace the
turbocharger
assembly
S-35, 41
Turbocharger fin or other part damaged due to
foreign matters
Replace the
turbocharger
assembly
S-35, 41
Either White or Blue
Exhaust Gas Is
Observed
Excessive engine oil Reduce to specified
level
G-7, 9
Piston ring and cylinder worn or stuck Repair or replace S-74, 75,
76, 101,
109
Incorrect injection timing Adjust S-27
Oil Leak into Exhaust
Pipe or Suction Pipe
Waste oil pipe clogged or deformed Repair or replace S-41
Turbocharger’s piston ring seal damaged Replace the
turbocharger
assembly
S-41
Either Black or Dark
Gray Exhaust Gas Is
Observed
Overload Reduce the load –
Low grade fuel used Use specified fuel G-6
Fuel filter clogged Replace G-13, 15
Air cleaner clogged Clean or replace G-12, 25
Deficient nozzle injection Repair or replace
nozzle
S-30, 46
KiSC issued 06, 2020 A

Kubota WSM 07-E3B Series Specifications

General

Brand	Kubota
Model	WSM 07-E3B Series
Category	Engine
Language	English