Kubota B1830, Workshop Manual

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ENGINE B1830,B2230,B2530,B3030, WSM
1-S2
Either White or Blue
Exhaust Gas Is
Observed Excessive engine oil Reduce to specified
level G-14
Piston ring and cylinder worn or stuck Repair or replace 1-S48,
1-S65
Incorrect injection timing Adjust 1-S17
Deficient compression Repair 1-S12,
1-S60,
1-S60,
1-S65
Either Black or Dark
Gray Exhaust Gas Is
Observed Overload Reduce the load –
Low grade fuel used Use specified fuel –
Fuel filter clogged Replace G-27
Air cleaner clogged Clean or replace G-40
Deficient nozzle injection Repair or replace
nozzle 1-S18 to
1-S19
Deficient Output Incorrect injection timing Adjust 1-S17
Engine's moving parts seem to be seizing Repair or replace –
Uneven fuel injection Replace injection
pump 1-S44
Deficient nozzle injection Repair or replace
nozzle 1-S18 to
1-S19
Compression leak Replace head gasket,
tighten cylinder head
screw, glow plug and
nozzle holder 1-S40 to
1-S42
Excessive Lubricant
Oil Consumption Piston ring's gap facing the same direction Shift ring gap
direction 1-S47
Oil ring worn or stuck Replace 1-S48
Piston ring groove worn Replace piston 1-S48
Valve stem and valve guide worn Replace 1-S52
Oil leaking due to defective seals or packing Replace –
Fuel Mixed into
Lubricant Oil Injection pump's plunger worn Replace injection
pump 1-S44
Deficient nozzle injection Repair or replace
nozzle 1-S18 to
1-S19
Injection pump broken Replace 1-S44
Water Mixed into
Lubricant Oil Head gasket defective Replace 1-S41
Cylinder block or cylinder head flawed Replace 1-S41
Symptom Probable Cause Solution
Reference
Page
KiSC issued 05, 2012 A