Kubota L3540 Workshop Manual page 102

L3540, L4240, L5040, L5240, L5740, WSM
Symptom
Either White or Blue
Exhaust Gas Is
Observe
Either Black or Dark
Gray Exhaust Gas Is
Observe
Deficient Output
Excessive Lubricant
Oil Consumption
Fuel Mixed Into
Lubricant Oil
Water Mixed Into
Lubricant Oil
Probable Cause
Excessive engine oil
Piston ring and cylinder worn or stuck
Incorrect injection timing
Deficient compression
Overload
Low grade fuel used
Fuel filter clogged
Air cleaner clogged
Deficient nozzle injection
Incorrect injection timing
Engine's moving parts seem to be seizing
Uneven fuel injection
Deficient nozzle injection
Compression leak
Piston ring's gap facing the same direction
Oil ring worn or stuck
Piston ring groove worn
Valve stem and guide worn
Oil leaking due to defective seals or packing
Injection pump's plunger worn
Deficient nozzle injection
Injection pump broken
Head gasket defective
Cylinder block or cylinder head flawed
Reduce to the
specified level
Repair or replace
Adjust
Adjust
Lessen the load
Use the specified fuel
Change
Clean or change
Repair or replace the
nozzle
Adjust
Repair or replace
Repair or replace the
injection pump
Repair or replace the
nozzle
Replace head
gasket, tighten
cylinder head bolt,
glow plug and nozzle
holder
Shift ring gap
direction
Replace
Replace the piston
Replace
Replace
Replace pump
Repair or replace the
nozzle
Replace
Replace
Replace
1-S2
ENGINE
Reference
Solution
Page
G-9
1-S52
1-S17
1-S12
–
G-9
G-28
G-28
1-S39
1-S17
–
1-S42
1-S39
1-S39, S40
1-S51
1-S52
1-S50
1-S41
–
1-S42
1-S39
1-S42
1-S40
1-S40, S56
W1086619
KiSC issued 04, 2010 A