Kubota M9540, Workshop Manual

Page: 124 / 619

1-S1
M8540, M9540, WSM ENGINE
1. TROUBLESHOOTING
W1014322
Symptom Probable Cause Solution
Reference
Page
Engine Does Not
Start No fuel Replenish fuel G-9
Air in the fuel system Vent air G-39
Water in the fuel system Change fuel and
repair or replace fuel
system G-9, 29
Fuel hose clogged Clean or replace G-26
Fuel filter clogged Replace G-32
Excessively high viscosity of fuel or engine oil at
low temperature Use specified fuel or
engine oil G-9
Fuel with low cetane number Use specified fuel G-9, 10
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S39
Incorrect injection timing Adjust 1-S19
Fuel camshaft worn Replace
Injection nozzle clogged Repair or replace 1-S21, 39
Injection pump malfunctioning Repair or replace 1-S21, 52
Seizure of crankshaft, camshaft, piston, cylinder
or bearing Repair or replace –
Compression leak from cylinder Replace head
gasket, tighten
cylinder head screw
and nozzle holder 1-S39, 40,
41, 42
Improper valve timing Correct or replace
timing gear 1-S56
Piston ring and cylinder worn Replace 1-S73, 74,
78
Excessive valve clearance Adjust 1-S15
Stop solenoid malfunctioning Replace 9-S17
Starter Does Not Run Battery discharged Charge 9-S9
Starter malfunctioning Repair or replace 9-S16
Key switch malfunctioning Replace 9-S13
Wiring disconnected Connect –
KiSC issued 09, 2008 A