
•
2.4
Major
ServicingPai
Name
ofPart
•Fuel
filter
Function
Removes
dustandwaterfromfuel.The
filter
isa cartridgetype,andthefuelelement
should
bereplacedbeforeclogging
occurs.
Hr=,in*»rineriodicallv
A
waterseparatorisonthebottomofthe
filter
andshouldbedrained^?e"2Sdwater
(for
4LHA-HTP/HTZP).
For
4LHA-DTP/-DTZP/-STP/-STZP,
dramthedustandwater
periodicaly
removingthedrainplugatthebottomof
filter.
•Fuel
feedpump
Feeds
fueltothefuelinjectionpumpbuilting-inthefuelinjectionpump
(4LHA-HTP/-
F?4LHA-DTP/-DTZP/-STP/STZP,
itisattached
with
thefuelinjectionpump.
•Fuel
primingpump
This
isa manualfuelpump.Movingthe knobonthetopoff«jj^j^g*^ fuel-
The
pumpisalsousedtobleedairfromthefuelsystem
(4L.HA-HTP/
H urj.
For4LHA-DTP/-DTZP/-STP/-STZP,
movingthe knobonthefuelfeedpumpattached
with
thefuelinjectionpumpfeedsthefueltobleedair.
•Lube
oilfillercap
•Lube
oil
filter
Filler
port
forenginelubeoil.. —
Filters
finemetalfragmentsandcarbonfromthe lubeoilf doq^
The
filter
isa cartridgetypeandthe
filter
elementshouldbereplacedbeforecog^
occurs.
.
[Coolina
Water
System]
•Fresh
watercooler
OFiller
cap
OSub
tank
ORubber
hose
•Fresh
waterpump
•Seawater
pump
This
enginehastwocoolingwatersystems(forfreshwater& ^ seawaj0
Fresh
waterflowsfromthefreshwatertank
into
thefreshwatercooler,wherethetresn
r^eS^^
It
further
coolstheturbochargerandgoesbacktothefreshwatertank.
[Coolina
Water
System]
•Fresh
watercooler
OFiller
cap
OSub
tank
ORubber
hose
•Fresh
waterpump
•Seawater
pump
The
freshwatercoolerisa heatexchangerusingseawater
wSen"L
enginestopsandcoolingwater
cools,
thepressurehthe
ca**
waw
tank aiso dro^s to negative^^^^^ZSSS"*
back
fromtnesuo
xan*.
i msnun. —.•
[Coolina
Water
System]
•Fresh
watercooler
OFiller
cap
OSub
tank
ORubber
hose
•Fresh
waterpump
•Seawater
pump
The
centrifugalwaterpumpcirculatesfreshcoolingwaterins.detheengine.
The
pumpdrivenbytheV-belt.
[Coolina
Water
System]
•Fresh
watercooler
OFiller
cap
OSub
tank
ORubber
hose
•Fresh
waterpump
•Seawater
pump
The
rubberimpeller-typepumpisdrivenby
gears.
Donotoperateit
without
seav^f,
due
todamagetheimpeller.
•Oii
cooler
This
heatexchangercoolshightemp,engineoilbyseawater.
•Turbocharger
The
pressurizedintakeairfeedingdevice:theexhaustgasturbine» rotateooy
theexhaustgas,andthepowerisusedtorotatetheblower.
This
pressurises
theintakeairforsendingtothecylinaer.
•Inter-cooler
This
heatexchangercoolsthepressurizedintakeairfromtheturbocharger
with
seawater.
•Anticorrosive
zinc
The
metalareaoftheseawatercoolingsystemisprone
^f^^^i
this
The
anti-corrosivezincisinstalledinthe oilcooler,inter-coole• etato
Preve
nt
ttu*
The
anti-corrosivezincisitselfreducedovertimebyelectncaloomxjor.sot muaoe
replaced
atfixedintervalsbeforeitiscompletelyconsumedm-ordertoensure
that
the
metalareaoftheseawatercoolingsystemremainsfullyprotected.
•Name
plate
Name
platesareprovidedontheengineandhavethemodel,senalnumberandother
data.
•Starter
motor
•Alternator
Starts
the enginepoweredbythebattery.
Driven
bybelt,andgenerateselectricityandchargesthe battery.
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I