05
SERIES
WSM.
01640
DIESEL
ENGINE
141
TROUBLESHOOTlNG
Symptom
Engine Does Not
Start
(Starter Does
Not
Run)
Engine Revolution
Is
Not Smooth
Either White
or
Blue
Exhaust Gas
Is
Observed
Probable Cause
0
Nofuel
Air
in
the fuel system
Water
in
the fuel system
Fuel
pipe 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
'0
Incorrect injection timing
Injection nozzle clogged
Injection
pump
malfunctioning
nut
Fuel camshaft
worn
..
Seizure
of
crankshaft, camshaft,
piston,
Compression leak
from
cylinder
.cylinder
or
bearing
improper valve
timirig
Piston
ring
and cylinder
worn
Excessive valve clearance
Battery discharged
Starter malfunctioning
Key switch malfunctioning
Wiring
disconnected
Fuel
filter
clogged
or
dirty
Air
cleaner clogged
Fuel leak due
to
loose injection pipe retaining
Injection
pump
malfunctioning
nut
incorrect nozzle opening pressure
Injection nozzle
stuck
or
clogged
Governor malfunctioning
Excessive engine
oil
Piston
ring
and liner
worn
or
stuck
Incorrect injection timing
Deficient compression
Solution
Replenish fuel
Vent air
Change fuel and
repair
or
replace fuel
system
Clean
Clean
or
change
Use specified fuel
or
engine
oil
Use specified fuel
Tighten retaining
nut
Adjust
Replace
Clean
Repair
or
replace
Repair
or
replace
Replace head
gasket, tighten
cylinder head screw,
glow
plug
and nozzle
holder
Correct
or
replace
timing
gear
Replace
Adjust
Charge
Repair
or
replace
Repair
or
replace
Connect
Clean or change
Clean
or
change
Tighten retaining
nut
Repair
or
replace
Adjust
Repair
or
replace
Repair
Reduce
to
specified
level
Repair
or
replace
Adjust
Adjust top clearance
Reference
Page
-
5-49
-
-
5-53
5-51
-
-
S-I51
,
153
5-89
S-l55,157
S-87, 153,
S-1
55
-
s-73,
79,
5-81
5-95
S-121
,
123,
5-137
5-57
-
-
-
-
5-53
5-55
-
S-87, 153,
5-155
S-l55,157
S-l55,157
5-91
S-47'51
S-121,123,
5-137
S-151
,
153
5-73
11790S10551
s-8
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by any means, is strictly prohibited.
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