JAC HFC1061 - Page 27

Checkandmaintenance:
1.Replacesteeringgearoilintime
andclean&replacefilteringscreenin
oiltankwhenanewtruckrunsfor
3000-4000kmandrunsevery5000
kmafterwards.
2.Checkoilvolumeandoilqualityin
oilcylinderoften,addingorreplacing
ifoilgoesbad.
3.Payattentiontothemarkofoilinlet
and outlet in pipeline connecting
whenstripandre-assemblesteering
mechanismtomakesureitiscon鄄
nectedright.Afterconnectingpipe-
line,checkittopreventairfromenter鄄
ingintooiloutletpipelineofoilpump.
Startenginetomakeitruninidle
speedandaddoilintooiltank.Ifthe
systemhasnotbeenpouredenough
oil,rotatesteeringwheelrepeatedly
leftandrighttoextremepositionand
addoilintooiltankatthesametime
untiloillevelinoiltankdoesn'tdrop
andhasnoairbubble.Addoiluntiloil
levelismarked.Whenadding,check
oiltankandpipelineconnectorof
steeringsystemtomakesurethem
clean,havingnoimpurity.Specific
connectareasfollows:
荫 Connectoiloutlettooilinletof
steeringoilpump.
荫 Connectoilreturnholeofsteering
geartooilreturnholeofoiltank.
4. When power-steering system
doesn'twork,drivercanusehandde鄄
pendingonmechanicalsteeringpart.
However,usingmechanicalsteering
onlyforalongtimeisforbidden.
5.Power-steeringsystemhasa
functionofspotturn.Besureto
avoidrotatingsteeringwheeltoex鄄
tremepositiontopreventdecreasing
lifeofcomponents.
6.Addliquidoilaccordingtopre鄄
scription.Ifsurroundingtemperature
is0益above,useL-HM464#anti鄄
wearhydraulicoil.Ifsurroundingtem鄄
peratureis0益below,useL-LM32#
antiwearhydraulicoilor8#hydraulic
automaticsteeringoil. (mixtureof
differentoiltypeisforbidden).Use
DEXRON域 typehydraulicoilforim鄄
48
OWNER爷SMANUALfor
HFC1061,HFC1063,HFC1083
seriestrucks
ringoilhasbeencooled,check
whetheritisatnormaltemperature.
Iffindingproblem,repeatstep4
andstep5.Iftheproblemstillex鄄
ists,repairpower-steeringpump.
49
portpower-enginesteeringgearor
steeringpump.(referringtoAmeri鄄
canGeneral Motors Corporation
standard)
Usingandmaintenance:
1.Usingofpower-enginesteering
system
荫 Rotatingsteeringwheeltoextreme
positionfor5sisforbidden.
荫 Continuingrotatingsteeringwheel
afterrotatingtodeadspaceisforbid鄄
den.
荫 Rotating steering wheel when
wheelsstandstillisforbidden.
荫 Rotatingsteeringwheelformore
than90r/minisforbidden.
2. Maintenance of power-engine
steeringsystem
Carryoutprincipleofvehiclemainte鄄
nancethatis"preventingmainly,
checkandmeasureperiodicallyand
maintainobligatorily".ObeyMinistry
of Communication standard JT/
T201-95
"Normofvehiclemaintenancecraft"
and Ministry of city Construction
standardCJ17-86"citybusrepairin
techniquecondition".
荫 Makeinspectionandadjustment
onsteeringsystembeforedriving,
duringdrivingandafterdrivingto
guaranteedrivingsafety.
荫 Class-onemaintenance (2000-
3000km)
因
Addlubricationperiodicallyintoevery
lubricatingpointandaddpower-steering
oilintimewhenpower-steeringsystem
oilisnotenough.
因
Makesurecrossshaftandsteering
crossandstraightpullrodrotateflexible
andtight
因
Checkthetighteningconditionofevery
connectionpointtomakesurethemtight.
因
Checkconnectionpointofpipelineto
makesurethereisnoleakage.
荫 Class-twomaintenance渊10000要
15000km冤
因
Replacepower-steeringoil.
因
Cleanfilteringscreenofpower-steer鄄
ingoiltank.
因
Checkslackofsteering-wheelandad鄄
justittoallowablevalue.
因
Makeflawdetectiononfrontshaft,ball
pin,steeringknuckle,steeringknuckle
arm,steeringdroparmandsteeringgear
supportframe.
因
Disassemblecrossandstraightpull