Kubota MX5100 - Page 95

1-S3
MX5100, WSM
ENGINE
W1012032
Symptom Probable Cause Solution
Reference
Page
Deficient Output Incorrect injection timing Adjust 1-S19
Engine’s moving parts seem to be seizing Repair or replace –
Injection pump malfunctioning Replace 1-S43
Deficient nozzle injection Repair or replace
nozzle
1-S22
Compression leak Check the
compression
pressure and repair
1-S15
Gas leak from exhaust system Repair or replace 1-S37
Air leak from compressor discharge side Repair or replace 1-S33
Air cleaner dirty or clogged Clean or replace G-26
Turbocharger compressor wheel turning heavily Replace the
turbocharger
assembly
1-S37
Excessive Lubricant
Oil Consumption
Piston ring’s gap facing the same direction Shift ring gap
direction
1-S50
Oil ring worn or stuck Replace 1-S51
Piston ring groove worn Replace piston 1-S50
Valve stem and valve guide worn Replace 1-S42
Crankshaft bearing, and crank pin bearing worn Replace 1-S54
Oil leaking due to defective seals or packing Replace –
Fuel Mixed into
Lubricant Oil
Injection pump’s plunger worn Replace 1-S43
Deficient nozzle injection Repair or replace
nozzle
1-S22
Injection pump broken Replace 1-S43
Water Mixed into
Lubricant Oil
Head gasket defective Replace 1-S41
Cylinder block or cylinder head flawed Replace 1-S41