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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