whentheengineworksatanover
fastspeedtoavoidacceleratingthe
wearofthesynchronizer.
5.Whenshifting,theforceshouldbe
gentle.Thehandforcemustbeact鄄
edonthecontrolroduntilthegear
reachesthecorrectposition.Shifting
withflapofpushandlooseningisin鄄
appropriateandtheshiftingopera鄄
tioncannotbeaccomplishedeasily
inthisway.
6.Youcanshiftfromforwardgearto
reversegearorfromreversegearto
forwardgearonlyafterthevehicle
stopsstably,orelse,thegearcanbe
damaged.
7.Thefifthgearisover-speedgear,
itcanbeusedwhenthevehicle
speedisover50km/htoavoiddam鄄
ageoftheover-speedgearresulting
fromoverloading.
8.Duringdriving,ifthereisanyab鄄
normal noise in the transmission,
stopthevehicleandcheckittoelimi鄄
natethemalfunction.
9.Whenslidingonthedowngrade,
stallingoftheengineisnotallowed;
startingtheenginewiththeinertiaof
slidingonthedowngradeisforbid鄄
denincaseofdamageofthegear
andthesynchronizer.
10.Duringbreaking-inperiodofthe
new vehicle, because the metal
chippingwhichisproducedbythe
frictionalfunctionbetweennewparts
doesharmtocomponentsinthe
transmission,especiallytothedura鄄
bilityoftheconicalringsofthesyn鄄
chronizer, so the lubricating oil
shouldbereplacedafterthebreak鄄
ing-inperiodofthenewvehicleex鄄
pires.Undergeneralcondition,re鄄
placethelubricatingoilonceforev鄄
ery6000kmrunning.Whenreplac鄄
ingthelubricatingoil,firstdrainoff
theoilinthetransmission,propup
therearaxle,shiftthetransmission
intothereversegear,addkerosene,
keepthetransmissionrotatingfor2耀
3minutes,thendrainoffkerosene,
addpuregearoil.
11.Checktheoillevelinthetrans鄄
missionfrequently,iftheoillevelis
undertheloweredgesurfaceofthe
oilfillerbolthole,sufficientoilshould
beadded.
12.Checktheoutsideboltofthe
34
OWNER爷SMANUALfor
HFC1061,HFC1063,HFC1083
seriestrucks
35
transmissionandtheflangeofthe
second shaft for tightening and
workingconditionofthecomponents
inthetransmissionfrequently.Be鄄
causetheventplugiseasytoblock
bydust,whichcausesincreasing
pressure in the transmission, oil
seepageorleakage,sotheventplug
shouldbecleanedperiodically.
13.Themovementpartofshifting
operationcomponentshouldbelu鄄
bricatedwell,orelse,itwillbehard
toshiftbecauseofthewearingofthe
movementparts.Ifthepositionof
gearselectingisfoundincorrectly,or
gearshiftingisdifficultorthetrans鄄
missionisoutofgearautomatically
inusing,firstlyyoushouldreadjust
thegearselectingandshiftingmech鄄
anism.
14.Gearselecting/shiftingshouldbe
arrangedwell.Thesmallestbending
radiusshouldbe200mmorlarger
thanthat.
Driveshaft
Briefdescriptionofstructure:
Driveshaftofthisloadedtruckisex鄄
posedcardanshaft.Thefrontflange
yokeofdriveshaftassemblyiscon鄄
nectedwithtransmission,whilethe
rearflangeyokeisconnectedwith
reardrivinggearflange.
1.intermediatedrivingshaft
2.rearaxledrivingshaft
Usingandmaintenance:
1.Driveshafthas beencounter鄄
poisedinfactory,itshouldbeen鄄
surednottoimpactinuseandnotto