OC60-E2, OC95-E2, WSM ENGINE
S-2
Either White or Blue
Exhaust Gas Is
Observed
A
Excessive engine oil Reduce to the
specified level
G-6
A
Piston ring and liner worn or stuck Replace S-44
A
Incorrect injection timing Adjust S-15
A
Deficient compression Check top clearance
and correct valve
recessing
S-12
Either Black or Dark
Gray Exhaust Gas Is
Observed
A
Overload Lessen load
A
Low grade fuel used Use the specified fuel G-4
A
Fuel filter clogged Clean or replace G-8
A
Air cleaner clogged Clean or replace G-8
Deficient Output
A
Incorrect injection timing Adjust S-15
A
Moving parts show sign of seizing Repair or replace
A
Deficient nozzle injection Repair nozzle replace S-17
A
Compression leak Repair S-12
Excessive Lubricant
Oil Consumption
A
Piston ring's gaps facing the same direction Shift ring gap
direction
S-32
A
Oil ring worn or stuck Replace S-46
A
Piston ring groove worn Replace piston S-46
A
Valve stem and guide worn Replace S-42
A
Oil leak Repair
Fuel Mixed into
Lubricant Oil
A
Injection pump broken Replace pump
element or pump
S-26
Low Oil Pressure
A
Engine oil insufficient Replenish G-6
A
Oil strainer clogged Clean G-7
A
Relief valve stuck with dirt Clean S-35
A
Relief valve spring weaken or broken Replace S-35
A
Excessive oil clearance of crankshaft bearing Replace S-47
A
Excessive oil clearance of crank pin bearing Replace S-47
A
Oil gallery clogged Clean
A
Different types of oil Use specified type of
oil
G-4
A
Oil pump defective Repair or replace S-49, 50
High Oil Pressure
A
Different types of oil Use the specified type
of oil
G-4
A
Relief valve defective Replace S-35
Symptom Probable Cause Solution
Reference
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