Troubleshooting - Kubota EA330-E4 Series Workshop Manual

EA330-E4, WSM

1. TROUBLESHOOTING

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