Kubota D1503-M Workshop Manual page 82

03-M-E3B, 03-M-DI-E3B, 03-M-E3BG WSM
Symptom
Low Oil Pressure
High Oil Pressure
Engine overheated
Battery Quickly
Discharged
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 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
Replenish
Clean
Clean
Replace
Replace
Replace
Replace
Clean
Use specified type of
oil
Replace
Use specified type of
oil
Replace
Replenish
Replace or adjust
Replenish
Clean
Clean or replace
Clean or replace
Replace
Reduce the load
Replace
Adjust
Use specified fuel
Replenish distilled
water and charge
Adjust belt tension or
replace
Connect
Replace
Replace
Replace
S-4
DIESEL ENGINE
Reference
Solution
Page
G-8
S-63
–
–
S-70, 92,
93
S-64, 65,
91
S-50, 80
–
5 to 15,
G-10
S-24, 62,
97
5 to 15,
G-10
–
G-10
G-14, 24
G-9
–
G-23
G-23, 24
S-25
–
S-51, 52
S-27, 28
5 to 15
G-13, 25
G-13, 14,
24
–
S-72, 102
S-72, 101
–
W1012501
KiSC issued 07, 2008 A