37
2‒4 ChecktheEngineOilLevel
•Stoptheengineandcooldownbefore
checkingtheengineoilleveltoavoid
beingburned.
•Neverleavethekeyinthekeyswitchwhen
checkingtheengineoillevel.Someone
mayaccidentallystarttheenginewithout
realizingitwhilecheckingtheengine
oillevel.Suchaccidentscouldresultina
seriousinjury.
NOTICE
•Onlyusetheengineoilspecified.Other
engineoilsmayaffectwarrantycoverage,
causeinternalenginecomponentstoseize
and/orshortenenginelife.
•Preventdirtanddebrisfrom
contaminatingtheengineoil.Carefully
cleantheoilcap/dipstickandthe
surroundingareabeforeyouremovethe
cap.
•Nevermixdifferenttypesofengineoil.
Thismayadverselyaffectthelubricating
propertiesoftheengineoil.
•Neveroverfill.Overfillingmayresultin
whiteexhaustsmoke,engineoverspeedor
internaldamage.
•Besuretheengineoil,engineoil
storagecontainers,andengineoilfilling
equipmentarefreeofsedimentsand
water.
•Changetheengineoilafterthefirst50
hoursofoperationandthenatevery250
hoursthereafter.
•Selecttheoilviscositybasedonthe
ambienttemperaturewheretheengineis
beingoperated.SeetheSAEservicegrade
viscositychart(Fig.7‒6).
•AICHIdoesnotrecommendtheuseof
engineoil“additives”.
•Nevermixdifferentbrandsoflubricating
oils.
Dailycheckingisimportanttokeeptheenginein
goodoperatingcondition.
Makesurethemachineislevel.
Turnthekeyswitchto“ ”(OFF)toshutdown
theengineandremovethekey.
Removedipstick(Fig.7‒5,1)andwipewith
cleancloth.
1
2
3
M14Y2410
Fig.7‒5
Fullyreinsertdipstick.
Removedipstick.Theoillevelshouldbe
betweenupper(Fig.7‒5,2)andlower(Fig.7‒5,
3)linesonthedipstick.
Fullyreinsertdipstick.
Addtheengineoilifnecessary.
2‒4‒1 EngineOilSpecifications
Useanengineoilthatmeetsorexceedsthe
followingguidelinesandclassifications:
■Servicecategories
• APIservicecategoriesCJ-4/CK-4
• ACEAservicecategoriesE6
• JASOservicecategoryDH-2
■Definitions
• APIclassification(AmericanPetroleumInstitute)
• ACEAclassification(Associationdes
ConstructeursEuropéensdʼAutomobilies)
•JASO(JapaneseAutomobileStandards
Organization)
■Additionaltechnicalengineoil
requirements:
Theengineoilmustbechangedwhenthe
TotalBaseNumber(TBN)hasbeenreducedto
1.0mgKOH/g.TBN(mgKOH/g)testmethod;JIS
K-201-5.2-2(HCI),ASTMD4739(HCI).