Kubota M6800S Workshop Manual page 88

M6800 · M6800S · M8200 · M9000, WSM
Symptom
Water Mixed into
Lubricant Oil
Low Oil Pressure
High Oil Pressure
Engine Overheated
Battery Quickly
Discharged
Probable Cause
• Head gasket defective
• Cylinder block or cylinder head flawed
• 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
• Oil passage clogged
• Different type of oil
• Oil pump defective
• Different type of 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
• Battery electrolyte insufficient
• Fan belt slips
• Wiring disconnected
• Rectifier defective
• Alternator defective
• Battery defective
Replace
Replace
Replenish
Clean
Clean
Replace
Replace
Replace
Clean
Use specified type of
oil
Repair or replace
Use specified type of
oil
Replace
Replenish
Replace or adjust
Replenish
Clean
Clean or replace
Clean or replace
Replace
Loosen load
Replace
Adjust
Use specified fuel
Replenish distilled
water and charge
Adjust belt tension or
replace
Correct
Replace
Replace
Replace
1-S3
ENGINE
Reference
Solution
Page
1-S22, S24
1-S25
–
1-S48
–
–
1-S60
1-S58, S59
–
G-11
1-S64
G-11
–
–
1-S65
–
–
G-30, 31
–
1-S66
–
1-S22, S24
1-S63
G-11
–
1-S67
–
9-S22
9-S18 to
S22
–
W1014322
KiSC issued 03, 2008 A