Kubota MX5100 - Page 96

1-S4
MX5100, WSM
ENGINE
W1012501
Symptom Probable Cause Solution
Reference
Page
Low Oil Pressure Engine oil insufficient Replenish G-8
Oil strainer clogged Clean 1-S49
Relief valve stuck with dirt Clean –
Relief valve spring weaken or broken Replace –
Excessive oil clearance of crankshaft bearing Replace 1-S53
Excessive oil clearance of crankpin bearing Replace 1-S50
Excessive oil clearance of rocker arm Replace 1-S40
Oil passage clogged Clean –
Different type of oil used Use specified type of
oil
G-8
Oil pump defective Replace 1-S48
High Oil Pressure Different type of oil used Use specified type of
oil
G-8
Relief valve defective Replace –
Engine overheated Engine oil insufficient Replenish 1-S23
Fan belt broken or elongated Replace or adjust G-25
Coolant insufficient Replenish 1-S26
Radiator net and radiator fin clogged with dust Clean –
Inside of radiator corroded Clean or replace G-38
Coolant flow route corroded Clean or replace G-38
Radiator cap defective Replace 1-S26
Overload running Reduce the load –
Head gasket defective Replace 1-S41
Incorrect injection timing Adjust 1-S19
Unsuitable fuel used Use specified fuel G-8
Battery Quickly
Discharged
Battery electrolyte insufficient Replenish distilled
water and charge
G-23
Fan belt slips Adjust belt tension or
replace
G-25
Wiring disconnected Connect –
Rectifier defective Replace 9-S28
Alternator defective Replace 9-S27
Battery defective Replace G-23