Kubota M5640SU Workshop Manual page 91

M5640SU, M5640DT-SU, WSM
Symptom
Low Oil Pressure
High Oil Pressure
Engine Overheated
Probable Cause
Engine oil insufficient
Oil strainer clogged
Relief valve stuck with dirt
Relief valve spring weaken or broken
Excessive oil clearance of crankshaft bearing
Excessive oil clearance of crankpin bearing
Excessive oil clearance of rocker arm
Oil passage clogged
Different type of oil
Oil Pump defective
Different type oil
Relief valve defective
Engine oil insufficient
Fan belt broken or elongated
Coolant insufficient
Radiator net and radiator fin clogged with dust
Inside of radiator corroded
Coolant flow route corroded
Radiator cap defective
Overload running
Head gasket defective
Incorrect injection timing
Unsuitable fuel used
Replenish
Clean
Clean
Replace
Replace
Replace
Replace
Clean
Use the specified type
of oil
Repair or replace
Use the specified type
of oil
Replace
Replenish
Replace or adjust
Replenish
Clean
Clean or replace
Clean or replace
Replace
Reduce the load
Replace
Adjust
Use the specified fuel
1-S3
ENGINE
Reference
Solution
Page
G-10
1-S39
1-S37
1-S37
1-S58
1-S57
1-S49
–
G-10
1-S38
G-10
1-S37
G-10
1-S13
G-10
–
G-31
–
G-31
–
1-S30
1-S15
G-11
9Y1210365ENS0001US0
KiSC issued 07, 2009 A