
1-S1
GL6000, GL7000, GL9000, GL11000, WSM
ENGINE
1. TROUBLESHOOTING
W1014322
Symptom
Probable Cause
Solution
Reference
Page
Engine Does Not
Start
Terminal cover is open
Close terminal cover
–
No fuel
Fill fuel
–
Air in the fuel system
Bleed
–
Water in the fuel system
Change fuel and
repair or replace fuel
system
–
Fuel hose clogged
Clean
–
Fuel filter clogged
Change
G-19
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
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut
1-S28
Incorrect injection timing
Adjust
1-S18
Fuel camshaft worn
Replace
1-S49
Injection nozzle clogged
Clean or replace
1-S20
Injection pump malfunctioning
Replace
1-S19,
S32
Seizure of crankshaft, camshaft, piston, cylinder
or bearing
Repair or replace
1-S36 to
S39
1-S52 to
S57
Compression leak from cylinder
Replace head
gasket, tighten
cylinder head screw,
glow plug and nozzle
holder
1-S12, 31
Improper valve timing
Correct or replace
timing gear
G-22
Piston ring and cylinder worn
Replace
1-S52, S57
Excessive valve clearance
Adjust
G-22
(Starter Does Not
Run)
Battery discharged
Charge
G-17,
1-S21
Starter malfunctioning
Repair or replace
1-S41,
S59 to 60
Wiring disconnected
Connect
–
Engine Revolution Is
Not Smooth
Fuel filter clogged or dirty
Replace
G-19
Air cleaner clogged
Clean or replace
G-17, 24
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut
1-S28
Injection pump malfunctioning
Replace
1-S19
Incorrect nozzle injection pressure
Adjust
1-S20
Injection nozzle stuck or clogged
Repair or replace
1-S20
Governor malfunctioning
Repair
1-S34
KiSC issued 05, 2015 A