Kubota WSM 05-E3B Series User Manual

S-3
05-E3B, 05-E3BG, WSM
DIESEL ENGINE
W1126771
Symptom Probable Cause Solution
Reference
Page
Deficient Output Incorrect injection timing Adjust S-21
Engine’s moving parts seem to be seizing Repair or replace –
Injection pump malfunctioning Repair or replace S-22, 39
Deficient nozzle injection Repair or replace
nozzle
S-23, 24
Compression leak Check the
compression
pressure and repair
S-16
Gas leak from exhaust system Repair or replace S-29, 30
Air leak from compressor discharge side Repair or replace S-29, 30
Air cleaner dirty or clogged Clean or replace G-12, 15,
20
Compressor wheel turning heavily Replace the
turbocharger
assembly
S-30
Excessive Lubricant
Oil Consumption
Piston ring’s gap facing the same direction Shift ring gap
direction
S-42
Oil ring worn or stuck Replace S-42, 43
Piston ring groove worn Replace piston S-41 to 43
Valve stem and valve guide worn Replace S-35, 52
Crankshaft bearing and crank pin bearing worn Replace S-46
Oil leaking due to defective seals or packing Replace –
Fuel Mixed into
Lubricant Oil
Injection pump’s plunger worn Repair or replace S-22, 39
Deficient nozzle injection Repair or replace
nozzle
S-23, 24
Injection pump broken Replace S-39
Water Mixed into
Lubricant Oil
Head gasket defective Replace S-33, 34
Cylinder block or cylinder head flawed Replace S-33, 34
Low Oil Pressure Engine oil insufficient Replenish G-9
Oil strainer clogged Clean S-41
Relief valve stuck with dirt Clean –
Relief valve spring weaken or broken Replace –
Excessive oil clearance of crankshaft bearing Replace S-44
Excessive oil clearance of crankpin bearing Replace S-44
Excessive oil clearance of rocker arm Replace S-32
Oil passage clogged Clean –
Different type of oil Use specified type of
oil
G-9
Oil pump defective Replace –
KiSC issued 12, 2007 A

Kubota WSM 05-E3B Series Specifications

General

Brand	Kubota
Model	WSM 05-E3B Series
Category	Engine
Language	English