JAC HFC4DA1-1, HFC4DA1, HFC4DA1-2B, HFC4DA1-2B1 User Manual
2.8Lserieshigh-enddieselenginesaremanufacturedbyJAC.Withthedisadvantagesofcompactstructure,high
power,littlevibration,lownoiseandlowprice,itisanidealpowerfor0.5-4tonserieslighttruckandallkindsofvariants
ormechanisms.
Beingused,dieselenginewillrunabnormallyduetoreasonsofpartswearing,tighteningpartsloosening,clearance
change,oilgoingbad.Ifitisfoundstartingdifficultly,powerfalling,oilconsumptionadding,pleasedoregularmainte鄄
nanceofcleaning,checking,lubricating,adjustingorreplacingpartsaccordingtothetechnicalstateandworkingtime
orvehicletraveleddistance.
Pleasereadthismanualbeforeusing2.8Lseriesdieselengineandoperateitstrictlywiththemanualsoastomake
thebestperformanceoftheengineandreducethepossibilityofrepairingit.
JACwillreservethemodificationrightsonthismanual.Wewillnotmakeothernoticeonanymodificationonthe
contentofthismanual.
AnhuiJianghuaiAutomobileCO.,LTD
Preface
Chapter 玉 Enginespecificationsandtechnicalparameters
玉 Maintechnical parameters1
域Mainparts specifications3
芋Maincheckingandadjusting parameters4
郁Mainboltandnut torque5
Chapter 域 Starting,running&stopping
玉 Before starting9
域Proceduresof starting9
芋Checkingduring operating10
郁 Stopping10
Chapter 芋 UsingandMaintenance
玉 Dailymainteanceandnoticeof using11
域 Break-inofnew engine11
芋 Oil choosing12
郁 Mainteancetimeandmainteance content13
Chapter 郁 Perseveringandreusingofengine
玉 Long-timeperseveranceof engine21
域 Reusingof engine21
Appendix1 High-mortalityparts list(4DA1) 23
Appendix2 High-mortalityparts list(4DA1-1) 24
Appendix3 High-mortalitypartslist(4DA1-2Band 4DA1-2B1) 25
Contents
1
Chapter 玉 Enginespecificationsandtechnicalparameters
玉.Maintechnicalparameters
1.Mode HFC4DA1-1
2.Type
Vertical,turbochargerintercooler,
directinjection,
drytypethin-wall
ch-romeplatingliner
3.Cylindersnumber 4
4.Bore(mm) 93
5.Stroke(mm) 102
6.Totaldisplacement(L) 2.771
7.Compressionratio 17.5
8.Ratedpower(KW) 68
9.Ratedrotatedspeed(rpm) 3600
HFC4DA1
Vertical,intercooler,
directinjectiondry
typethin-wall
chromeplating
liner,4stroke
18.2
57
HFC4DA1-2B HFC4DA1-2B1
Vertical,turbochargerintercooler,
directinjection,
drytypeliner
Verticalturbochargerintercooler,
di-rectinjection,
drytypeliner
18.2 18.2
68 80
3
域.Mainpartsspecifications
Fuelfilter
Oilfilter
Oilpump
Coolingwaterpmp
Thermostar
Generator
Starter
Fuelinjection-pump
Fuel-injector
Fullflow Fullflow
Full-flowspin-onoilfilter Full-flowspin-onoilfilter
externallymeshedgeartype externallymeshedgeartype
Centrifugaltype Centrifugaltype
Waxmode Waxmode
Alternatoroutput Alternatoroutput
Deceleratinglow-speedhightorquestarter Deceleratinglow-speedhightorquestarter
VEdistributorpump Electropump
Fiveholes袁pressurechamber Electroinjector
HFC4DA1-1 HFC4DA1 HFC4DA1-2B HFC4DA1-2B1
Partsname Technicalfeature
13.Idlespeed(rpm) 750依50
14.Firingsequence 1-3-4-2
15.Directionofcrankshaft渊facingtoflywheel冤 Counterclockwise
16.Lubricatingmethod Pressureandsplashlubrication
17.Overalldimensions 764伊616伊698
18.Netmass 240kg
19.Oilcapacityinoilsump(L) 6
20.Coolingwatercapacity(L)(notincludingradiator) 10
valvetiming(usethecrankshaftangletocount)
(1)Intakevalveopen(beforetopdeadcenter)
(2)Intakevalveclose(afterbottomtopdeadcenter)
(3)Exhaustvalveopen(beforebottomtopdeadcenter)
(4)Exhaustvalveclose(aftertopdeadcenter)
24.5毅
55.5毅
54毅
26毅
754伊568伊698
230kg
800依50
764伊622伊714 764伊622伊714
250kg 250kg
7.5
12.Minoilconsumptionratio(g/Kw窑h) 218 230 212 208
11.Rotatespeedatmaxtorque(rpm) 1800耀2000 2000耀2200
10.Maxtorque(N窑m) 216 174 210 240
2
OWNER爷SMANUAL
2.8LSeriesDieselEngine
Name Description Torque渊N窑m冤
Cylinderheadbolt M11伊127-4h 105依5
Crankshaftinstallingbolt M12伊1.5伊47 110依10
IdlegearAinstallingbolt M8伊55 25依5
IdlegearAinstallingbolt M12伊1.25伊66 110依10
Exhaustmanifoldinstallingbolt M8伊35 30依5
Connectingrodbolt M11伊1.25 85依5
Dampedbeltinstallingbolt M16伊1.5伊29 210依15
Mainbearinghousinginstallingbolt M14伊1.5伊89 170依10
Flywheelbaffleinstallingbolt M12 85依10
Flywheelinstallingbolt M13伊1.25伊36.5 120依10
Cylinderheadcoverinstallingbolt M8伊11 13依5
Rockerinstallingbolt M10 55依5
5
郁.MainBoltandnuttorque
HFC4DA1andHFC4DA1-1
Mode
Valveclearance
Oilpressure渊idle冤
Exhausttemperature(mainpipe)
Oiltemperature(mainoilgallery)
Temperatureofthermostat
Temperatureoffull-openthermostat
Projectedheightofglowplug
Projectedheightofinjector
Staticfuelsupplyadvancedangle
(beforetopdeadcenter)
HFC4DA1-1 HFC4DA1
0.3耀0.4mm 0.3耀0.4mm
逸98kpa 逸98kpa
臆650益 臆700益
臆130 益 臆130 益
82益 82益
95益 95益
5.3耀6.8mm 5.3耀6.8mm
2.1耀3.0mm 3.7耀4.3mm
12毅
HFC4DA1-2B HFC4DA1-2B1
0.3耀0.4mm 0.3耀0.4mm
逸98kpa 逸98kpa
臆700益 臆700益
臆130 益 臆130 益
82益 82益
95益 95益
5.6耀6.9 5.6耀6.9
2.1耀3.0 2.1耀3.0
16毅
4
芋.Maincheckingandadjustingparameters
OWNER爷SMANUAL
2.8LSeriesDieselEngine
7
Name Description Torque渊N窑m冤
Cylinderheadbolt M11伊1.5伊127 105依5
Crankshaftinstallingbolt M12伊1.5伊47 110依10
IdlegearAinstallingbolt M8 25依5
IdlegearAinstallingbolt M8 20耀25
Exhaustmanifoldinstallingbolt M8 30依5
Connectingrodbolt M11伊1.25 85依5
Dampedbeltinstallingbolt M16伊1.5伊55 210依15
Mainbearinghousinginstallingbolt M14伊1.5伊85 180耀200
Flywheelbaffleinstallingbolt M12 85依10
Flywheelinstallingbolt M13伊1.25伊36.5 140依10
Cylinderheadcoverinstallingbolt M8伊11 13依5
Rockerinstallingbolt M10 55依5
HFC4DA1-2BandHFC4DA1-2B1
Name Description Torque渊N窑m冤
Inletmanifoldinstallingbolt M8伊25 20依5
Inletbendingpipeinstallingbolt M10伊30 30依5 30依5
Timinggearchamberinstalling M825依5 25依5
Camshaftthrustplateinstallingbolt M825依5 25依5
Injectionpumpgearinstallingbolt M865依 5 65依5
Waterinletinstallingbolt M825依5 25依5
Oilsumpboltandnut M820耀27 20耀27
Oilpumpinginstallingbolt M8伊30 25依5 25依5
Highpressurefuelpipenut M1230依5 30依5
Injectionpressingplatebolt M10伊70 40依5 40依5
Injectionpumpflangetighteningbolt M8 30耀40 30耀40
Injectionpumptighteningbolt M825依5 25依5
Oilfilterseatinstallingbolt M8伊30 25依5 25依5
Waterpumpinstallingbolt M8伊45 25依 5 25依5
6
OWNER爷SMANUAL
2.8LSeriesDieselEngine
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