andwhetherdrivingdeviceisflexible.
5.Seasonalmaintenance
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Inwinter,usecoolingsystemfordieselengine.Pleasereplaceantifreezecoolantonceayear.It'snecessarytodrain
offitforalongtimeparkingifnotusingantifreezecoolant.
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Uselubricationwhichisonlyforwinterinwinter.
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Changeconcentrationofbatteryelectrolytewithseasonchanging.
Technicalmaintenanceoflubricationsystem
1.Chooselubricationfordieselenginelubricationsystemaccordingtosurroundingtemperature.
UseSFdieselengineoilaccordingwithGB11122.
2.Measurementofoillevel.
Oillevelofoilsumpismeasuredbyoilscalemountedontheleftsideofdieselengine.Whenmeasuring,parkthevehi
cleinthehorizontalpositionandstopoperatingthediesel.Pullouttheoilscaleaftertheoillevelstoppingrocking,use
cleaningclothtowrapawayoilonoilscaleandtheninserttheoilscaleintooillevel.Oilscaleshouldbemountedonthe
rightplace,then,pullouttheoilscaletochecktheoillevel.
Therearetwoholesonoilscale,oillevelshouldnotbelowerthantheholesbelow.Ifnot,supplyofoilwillstop.It'sim
propertohaveoilexcessive,forcrankpinofcrankshaftwillstriketheoillevelinthissituationtoformexcessiveoilmist
andsplashoildropandcausecarbondepositofpistonandcombustionchambercarbondeposit.Atthesametime,
17
Note: mixingdifferentoilisforbidden.
16
4.Class-threemaintenance
Class-threemaintenancefocusesonassemblydissembling,cleaning,dismantling,adjustmentandhiddentroublere
moval.Afterclass-twomaintenance,addthefollowingmaintenancecontentsevery1000h(30000-40000km)
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Dismantleandcleandieselenginetoremovecarbondeposit,oilydirtandwaterdirt.
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Checkwear&tearofvalve,pushrodandrocketcontactarea.Repairandreplacethemifnecessary.
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Checkwear&tearofpistonring,cylinderjacket,connectingrodsmallendbushingandconnectingrodbearingoffset.
Replacethemifnecessary.
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Checkwear&tearofmainbearinglinerandthrustplate.
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Checkwear&tearofdrivemechanismanddrivinggearmeshingsurfaceaswellasmeasuringmeshingclearance.
Repairandreplacethemifnecessary.
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Checkwear&tearofinletvalve&outletvalveandinletvalveseat&outletvalveseat.Repair,lapandtestleakage.Re
placethemifnecessary.
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Checkinjectorandlaporreplacetheinjectornozzlepairifnecessary.Usetheultrasonicwavetocleanthecarbon
depositwheninstalltheusedfuel-injectionnozzle,prohibitusingsilktowipeorusingcuttertoshaving,preventdamage
thefuel-injectionnozzleandclogtheinjectionhole.
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Checkoilpumpanddismantleormeasurethepartsthatareeasytodamageandadjust.
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Checkcylindergasketandinletpipeshim&outletpipeshim.Iffindingdamaged,replacethem.
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Checksuperchargerandclean.Wear&tearofsuperchargergearandoilsealandreplaceifnecessary.
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Checkgeneratorandstarter,cleanpartsandgearandaddnewlubricationafterdrying.Checkwear&tearofstarter
OWNER爷SMANUAL
2.8LSeriesDieselEngine
