Kubota GL6000A-AU-B Workshop Manual page 65

GL6000A-AU-B, GL6000D-AU-B,GL9000A-AU-B, GL9000D-AU-B, WSM
Symptom
Low Oil Pressure
High Oil Pressure
Engine Overheated
Probable Cause and
Checking Procedure
1. Engine oil insufficient
2. Oil strainer clogged
3. Oil filter cartridge clogged
4. Relief valve stuck with dirt
5. Relief valve spring weaken
or broken
6. Excessive oil clearance of
crankshaft bearing
7. Excessive oil clearance of
crankpin bearing
8. Excessive oil clearance of
rocker arm
9. Oil passage clogged
10.Different type of oil
11.Oil pump defective
1. Different type of oil
2. Relief valve defective
1. Engine oil insufficient
2. Fan belt broken or
tensioned improperly
3. Coolant insufficient
4. Radiator net and radiator
fin clogged with dust
5. Inside of radiator corroded
6. Coolant flow route
corroded
7. Radiator cap defective
8. Radiator hose damaged
9. Overload running
10.Head gasket defective
11.Incorrect injection timing
12.Unsuitable fuel used
Solution
Fill oil
Clean
Replace
Clean
Replace
Replace
Replace
Replace
Clean
Use specified type of oil
Repair or replace
Use specified type of oil
Replace
Fill oil
Replace or adjust
Fill coolant
Clean
Clean or replace
Clean or replace
Replace
Replace
Reduce the load
Replace
Adjust
Use specified fuel
1-S3
ENGINE
Reference
Page
G-10, G-14
1-S35
–
–
–
1-S54 to
1-S56
1-S54
1-S47
1-M2
G-10
1-S34,
1-S58
G-10
–
G-10, G-14
G-19
G-14, G-22
–
G-22
G-22
–
–
–
1-S31
1-S18
G-10
9Y1211607ENS0002US0
KiSC issued 06, 2016 A