Kubota EA330-E4 Series - TROUBLESHOOTING

ENGINE
EA330-E4, WSM
1-S1
1. TROUBLESHOOTING
Symptom Probable Cause Solution
Reference
Page
Engine Does Not
Start
No fuel Replenish fuel –
Air in the fuel system Vent air –
Water in the fuel system Replace fuel and
repair or replace fuel
system
G-9, 1-M16
Fuel hose clogged Clean –
Fuel filter clogged Clean G-9
Excessively high viscosity of fuel or engine oil at
low temperature
Use specified fuel or
engine oil
I-4, G-6
Fuel with low cetane number Use the specified fuel I-4, G-6
Fuel leak due to loose injection pipe retaining nut Tighten nut 1-S26
Incorrect injection timing Adjust 1-S19
Fuel camshaft worn Replace 1-S32
Injection nozzle clogged Clean 1-S21,
1-S27
Injection pump malfunctioning Replace 1-S19,
1-S20,
1-S31
Seizure of crankshaft, camshaft, piston, cylinder
liner or bearing
Repair or replace –
Compression leak Replace head gasket,
tighten cylinder head
screw, glow plug,
nozzle holder and
correct valve seat
1-S13,
1-S27,
1-S28,
1-S29,
1-S46
Deficient compression Check top clearance,
correct valve
recessing, piston ring
and cylinder
1-S13,
1-S15,
1-S45,
1-S46,
1-S52,
1-S59
Improper valve seat alignment, valve spring
broken, valve seized
Repair or replace 1-S29,
1-S45,
1-S46
Improper valve timing Correct or replace
timing gear
1-M5,
1-S33
Piston ring and cylinder worn Replace 1-S52,
1-S59
Excessive valve clearance Adjust 1-S14
KiSC issued 05, 2015 A