Kubota WSM STV32 Workshop Manual page 75

STV32 · STV36 · STV40, WSM
Symptom
Water Mixed into
Lubricant Oil
Low Oil Pressure
High Oil Pressure
Engine Overheated
Probable Cause
A Head gasket defective
A Cylinder block or cylinder head flawed
A Engine oil insufficient
A Oil filter clogged
A Relief valve stuck with dirt
A Relief valve spring weaken or broken
A Excessive oil clearance of crankshaft bearing
A Excessive oil clearance of crankpin bearing
A Excessive oil clearance of rocker arm
A Oil passage clogged
A Different type of oil
A Oil pump defective
A Different type of oil
A Relief valve defective
A Engine oil insufficient
A Fan belt broken or elongated
A Coolant insufficient
A Radiator net and radiator fin clogged with dust Clean
A Inside of radiator corroded
A Coolant flow route corroded
A Radiator cap defective
A Overload running
A Head gasket defective
A Incorrect injection timing
A Unsuitable fuel used
Replace
Replace
Replenish
Replace
Clean
Replace
Replace
Replace
Replace
Clean
Use specified type of
oil
Repair or replace
Use specified type of
oil
Replace
Replenish
Replace or adjust
Replenish
Clean or replace
Clean or replace
Replace
Loosen load
Replace
Adjust
Use specified fuel
1-S3
ENGINE
Reference
Solution
Page
1-S29
1-S46
G-13
G-14
1-S59, S60
1-S58
1-S50
G-8
1-S62
G-8
G-13
1-S14, S15
G-8
G-31
G-31
1-S15
1-S29
1-S17
G-8
0000007473E
KiSC issued 04, 2006 A