Kubota GR1600EC2, Workshop Manual, Page: 68 / 241

1-S1
GR1600EC2, WSM ENGINE
1. TROUBLESHOOTING
W1014322
Symptom Probable Cause Solution
Reference
Page
Engine Does Not
Start No fuel Replenish fuel G-8
Air in the fuel system Bleed G-37
Water in the fuel system Change fuel and
repair or replace fuel
system G-27, 34
Fuel pipe clogged Clean G-27
Fuel filter clogged Change G-27, 31
Excessively high viscosity of fuel or engine oil at
low temperature Use specified fuel or
engine oil G-8
Fuel with low cetane number Use specified fuel G-8
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S21
Incorrect injection timing Adjust 1-S15
Fuel camshaft worn Replace –
Injection nozzle clogged Repair or replace 1-S34
Injection pump malfunctioning Replace 1-S24
Seizure of crankshaft, camshaft, piston, cylinder
or bearing Repair or replace –
Compression leak from cylinder Replace head
gasket, tighten
cylinder head screw,
glow plug and nozzle
holder 1-S22, 23
Improper valve timing Correct or replace
timing gear 1-S26
Piston ring and cylinder worn Replace 1-S44, 50
Excessive valve clearance Adjust 1-S12
(Starter Does Not
Run) Battery discharged Charge G-24
Starter malfunctioning Repair or replace 6-S20
Main switch malfunctioning Replace 6-S8, 9
Safety switches malfunctioning Replace 6-S12
Wiring disconnected Connect –
KiSC issued 07, 2006 A