Fuel System
3/51
Z001138-1_2013-02-01
Items to Check / Troubled Systems
Injection System
[Factors/Cause of Trouble]
Freq
uent en
g
ine stop
pag
e
Huntin
g
Exce
ed
s or fa
lls belo
w
the
regul
atory ma
x. engin
e
sp
e
e
d
A
bnorm
a
l idli
ng re
volutio
n
s
Bla
c
k
ex
ha
ust s
m
o
k
e
White e
x
ha
ust smoke
Poor en
gine
starting
perfo
rman
ce
Low (drop in)
engin
e
outpu
t
Larg
e
fuel co
nsum
ption
Low comp
re
ssion
p
re
s
sure
Potential for Cav
itation
Damages
to Injec
tor
needl
e sei
z
u
re (no
zzl
e)
air lea
ks int
o
f
uel sup
p
ly
sy
st
em
(ae
ration of suppl
y fuel)
Dama
ge to Piston or
Line
r
Dama
ge to Valve Foll
ower
Defe
ctive
RPM Senso
r po
ssi
ble
Poor Idle ru
n
n
ing control
engin
e
rem
a
ins at idle spe
e
d
Fuel system
Fuel leakage from nozzle body
•
•
•
•
•
•
•
Air trapped in the fuel system at ignition ON
•
•
•
•
•
•
•
Malfunctioning of the rack linkage or control
rod
•
•
•
•
•
Faulty fuel spray from the nozzle
•
•
•
•
•
•
Uneven injection pressure from nozzle
•
•
•
•
Malfunctioning of check valve / fuel outlet
block
•
•
•
•
•
Uneven injection quantity
•
•
•
•
•
•
•
Malfunctioning of governor solenoid
•
•
•
•
Base Engi
ne
S
yst
em
Settin
g
s
Faulty valve clearance
•
•
•
•
•
•
•
Uneven compression
•
•
•
•
•
Faulty valve seat contact
•
•
•
•
•
•
Faulty Engine timing
•
•
•
•
•
Faulty valve timing
•
•
•
•
•
Others
Defective tachometer of the engine
•
•
•
Faulty idling adjustment
•
•
•
Overcooling of the engine
•
•
Faulty speed sensor
•
•
•
•
Faulty accelerator potentiometer
•
Содержание Marine Engine 2012 Series
Страница 35: ...General 35 65 Z001138 1_2013 02 01 Trouble Indication ...
Страница 36: ...General Preliminary Service Manual MARINE 2012 Z001138 1_2013 02 01 36 65 ...
Страница 51: ...General 51 65 Z001138 1_2013 02 01 G Notes on safety ...
Страница 69: ...Engine Z001138 1_2013 02 01 4 87 Kapitel MOUNT BRACKET COVER T BELT GASKET SET ...
Страница 131: ...Engine Z001138 1_2013 02 01 66 87 12 Unscrew frame sealing from engine housing NOTE Do not puncture frame seal ...
Страница 154: ...Fuel System Z001138 1_2013 02 01 2 51 ...
Страница 159: ...Fuel System 7 51 Z001138 1_2013 02 01 03 00 03 Unit injector ...
Страница 190: ...Fuel System Z001138 1_2013 02 01 38 51 Schema Injection Timing Device ITD ...
Страница 211: ...Cooling System 5 21 Z001138 1_2013 02 01 ...
Страница 231: ...Electrical System Z001138 1_2013 02 01 4 47 ...
Страница 235: ...Electrical System Z001138 1_2013 02 01 8 47 ...
Страница 236: ...Electrical System 9 47 Z001138 1_2013 02 01 ...
Страница 238: ...Electrical System 11 47 Z001138 1_2013 02 01 ...
Страница 244: ...Electrical System 17 47 Z001138 1_2013 02 01 06 05 03 Wiring Diagram E Box Wiring Diagram 2181123 0 ...
Страница 245: ...Electrical System Z001138 1_2013 02 01 18 47 06 05 04 Wiring Diagram E Box Wiring Diagram 2181134 0 ...
Страница 246: ...Electrical System 19 47 Z001138 1_2013 02 01 06 05 05 Wiring Diagram External E Box Diagram 2181141 0 ...
Страница 262: ...Electrical System 35 47 Z001138 1_2013 02 01 06 10 Actor and Sensor 06 10 01 Component configuration engine ...