JAC HFC1061 - Rear axle

knockandstackwhendoingdisas鄄
semblyandassemblyworkorcarry鄄
ing.Replaceforanewoneifthe
shaftisdistortedorthebalanceris
desquamated,otherwise,therewill
bevibration,noise,andextraimpact
inrunning,whichcandamageother
assemblies and even endangered
running.
2.Checkoilsealsofcentersupport鄄
ingbearing,needlebearingofcross
shaft,slidingsplineregularly,replace
invalidoilsealsinstantly
3.Whendoingclass-onemainte鄄
nance,lubricatetheuniversaljoint,
slidespineandintermediatebearing.
Whenaddinglubricationtotheuni鄄
versal,extrudetheoilpistolquickly
tofullylubricatetheneedlebearing
ofuniversaljoint,checkandtighten
driveshaftandtheconnectingboltin
everypositionofintermediatesup鄄
port.
Whendoingclass-twomaintenance,
checkwhetherthedustcapdrop
andwhethertheuniversaljoint'sfree
rotatemotiongetstuck.Whenthe
crossshaftliesintheneedlebear鄄
ing,teardowntheuniversaljointif
theradialplayistoowide.Replace
theneedlebearingorcrossshaftac鄄
cordingtoyourrequirement
Whendoingclass-threemainte鄄
nance,disassemblingthedriveshaft
isnecessary,payattentiontomaking
themutualmarkfortheflangeyoke,
crossshaftandconnectingyoke.For
slidesplineshaft,makethecooper鄄
ativemarkontheflangesoasto
mountontheoriginalposition.After
finishingallthemaintenanceitems,
havingbalancedcheckagainisbet鄄
ter.Thestandardofdynamicbal鄄
anceis2750turnperminuteandthe
unbalanced volume is less than
144g/cm
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OWNER爷SMANUALfor
HFC1061,HFC1063,HFC1083
seriestrucks
Rearaxle
Briefdescriptionofstructure:
Rearaxleissinglereductiondriving
axle,whichiscomposedoffinal
driveanddifferentialandaxlehous鄄
ing.Itismediumandfinalclass
speedreductiondrivingmechanism
indrivingsystem.Finaldrivecannot
onlychangethedirectionofdriving
force,butalsoreducetherotate
speed.It'scomposedofdrivepinion
anddrivengearandfinaldrive.The
drivepinionisconnectedwithdrive
shaft,whoseendwithsplineiscon鄄
nectedwithuniversaljointassembly
bycouplingflange.Drivingbevel
gear'stoeendaxlejournalismount鄄
edonguidingcylindricalrollerbear鄄
ingand bears radial force only.
Drivengearisalsocalledcrowngear
andisfixedtolefthalfflangeofthe
differentialcasewithbolts.Differen鄄
tialisakindofdevicethatiscom鄄
posed of differential case, cross
shaftandfourplanetarypinionsisa
devicethatmakestheleftwheeland
therightwheelrunatadifferent
speedwhennecessary.Rearaxle
housingisanintegratedaxlehousing
thatismadeofweldingpunchedar鄄
morplate.
Finaldrive'stoothfacemeshingand
adjustmentofgearlash
1.Checkdrivegearbearing'spre-
tensionlevel.Thepre-tensionforce
ofdrivegearbearingshouldbead鄄
justed. When measuring bearing
case'sbolthole,tangentialstressis
15-30N.
2.Theadjustmentofdrivegearbea-
ring'spre-tensionforceisaprocess
ofaddingandreducingnumberof
adjustingshim.Whenadjustingshim
adds,frictionmomentwillbere鄄
duced. When adjusting shim re鄄
duces, friction moment will be
added.Thicknessoffrictionmoment
hasthreenormsof0.40mm,0.45mm,
0.50mm.
3.Checkfinaldriveformeshingbe鄄
tweendrivepinionanddrivengear.
Thecontactareaandsideplaybe鄄
tweendrivepinionanddrivengear
canbeadjustedbymeansofadjust鄄
ingshimandadjustingcollarofdif鄄
ferentialbearing.Therearefourkind
of shims according to thickness,
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