General
29/65
Z001138-1_2013-02-01
Items to Check / Troubled Systems
General Fault Finding
[Factors/Cause of Trouble]
Starter doe
s
not rotate
Slow s
tarter rotations
Does
not turn c
rank
si
gn
ifi
can
t am
oun
t o
f w
hit
e ex
hau
st
smo
ke
black sm
oke
Little exha
ust
smo
ke
No e
xha
ust smoke
Low e
ngine
ou
tput
Ab
norm
al
fue
l o
il an
d
lu
be o
il
con
sum
ption
no com
pressi
on pre
ssu
re to feel whe
n
turnin
g cran
k
manuall
y
no pre
ssu
re a
t unit injector
no fuel su
ppl
y pre
ssu
re at injecto
r
after fuel
pum
p is
turned on
high spee
d / high freq
uen
cy run
ning
electri
c fuel
pum
p
(hi
gh
pit
che
d noi
se
)
In
jec
tion
Ti
m
ing
D
ev
ice no
t k
eep
ing
position
bad comp
re
ssion
No po
we
r to engin
e or key switch
diffic
ult s
tarting
High Blo
w
-B
y
unsta
ble en
gi
ne run
ning
Inc
orrec
t s
tart of fuel-delivery
ex
ce
ss
ive
di
sc
ha
rge o
f coo
lan
t (fill
er
cap
)
ove
rhe
ating coolant syste
m
leak of ga
ske
t, watercoole
d turbine
-
hou
sin
g, ex
haus
t manifold, c
ylinder
missi
ng
ra
w wat
er sup
ply
leaki
ng copp
er-i
nsert or o
-ring
leaki
ng oil co
oler
un
it in
je
ct
or
o-
ring
Breakdown of injection pump
•
•
•
no hydraulic pressure to build up
•
•
•
•
stuck unit injector / spring remains
compressed
•
•
Others
Faulty driven machinery
•
•
•
Clogging of air filter
•
•
•
•
High viscosity of engine oil
•
•
Damage to or seizure of engine's
rotational/receipicating parts
•
•
•
•
•
Faulty valve clearance
•
•
•
•
•
Low compression pressure
•
•
•
•
•
Damaged ring gear
•
•
Faulty valve timing / Engine Timing
•
•
•
•
•
Faulty valve train
•
•
•
•
•
•
Faulty Injection Timing
•
•
•
•
•
Air in coolant system
•
•
•
overtemperature of cooling system
•
fuel in coolant
•
•
coolant in lubricant
•
fuel in lubricant
•
lubricant in coolant
•
Summary of Contents for Marine Engine 2012 Series
Page 35: ...General 35 65 Z001138 1_2013 02 01 Trouble Indication ...
Page 36: ...General Preliminary Service Manual MARINE 2012 Z001138 1_2013 02 01 36 65 ...
Page 51: ...General 51 65 Z001138 1_2013 02 01 G Notes on safety ...
Page 69: ...Engine Z001138 1_2013 02 01 4 87 Kapitel MOUNT BRACKET COVER T BELT GASKET SET ...
Page 154: ...Fuel System Z001138 1_2013 02 01 2 51 ...
Page 159: ...Fuel System 7 51 Z001138 1_2013 02 01 03 00 03 Unit injector ...
Page 190: ...Fuel System Z001138 1_2013 02 01 38 51 Schema Injection Timing Device ITD ...
Page 211: ...Cooling System 5 21 Z001138 1_2013 02 01 ...
Page 231: ...Electrical System Z001138 1_2013 02 01 4 47 ...
Page 235: ...Electrical System Z001138 1_2013 02 01 8 47 ...
Page 236: ...Electrical System 9 47 Z001138 1_2013 02 01 ...
Page 238: ...Electrical System 11 47 Z001138 1_2013 02 01 ...