Tires, Wheels and Loading
governmenttestcourse.Forexample,atiregraded150wouldwearone
1
andone-half(1 ⁄ )timesaswellonthegovernmentcourseasatire
2
graded100.Therelativeperformanceoftiresdependsupontheactual
conditionsoftheiruse,however,andmaydepartsignificantlyfromthe
normduetovariationsindrivinghabits,servicepractices,and
differencesinroadcharacteristicsandclimate.
Traction AA A B C
Thetractiongrades,fromhighesttolowestareAA,A,B,andC.The
gradesrepresentthetire’sabilitytostoponwetpavementasmeasured
undercontrolledconditionsonspecifiedgovernmenttestsurfacesof
asphaltandconcrete.AtiremarkedCmayhavepoortraction
performance.
NOTE:Thetractiongradeassignedtothistireisbasedon
straight-aheadbrakingtractiontests,anddoesnotincludeacceleration,
cornering,hydroplaningorpeaktractioncharacteristics.
Temperature A B C
ThetemperaturegradesareA(thehighest),B,andC,representingthe
tire’sresistancetothegenerationofheatanditsabilitytodissipateheat
whentestedundercontrolledconditionsonaspecifiedindoorlaboratory
testwheel.Sustainedhightemperaturecancausethematerialofthetire
todegenerateandreducetirelife,andexcessivetemperaturecanleadto
suddentirefailure.ThegradeCcorrespondstoalevelofperformance
whichallpassengercartiresmustmeetundertheFederalMotorVehicle
SafetyStandardNo.139.GradesBandArepresenthigherlevelsof
performanceonthelaboratorytestwheelthantheminimumrequiredby
law.
WARNING:Thetemperaturegradeforthistireisestablished
foratirethatisproperlyinflatedandnotoverloaded.Excessive
speed,underinflation,orexcessiveloading,eitherseparatelyorin
combination,cancauseheatbuildupandpossibletirefailure.
TIRES
Tiresaredesignedtogivemanythousandsofmilesofservice,butthey
mustbemaintainedinordertogetthemaximumbenefitfromthem.
Glossary of tire terminology
•
Tirelabel:AlabelshowingtheOE(OriginalEquipment)tiresizes,
recommendedinflationpressureandthemaximumweightthevehicle
cancarry.
119
| Categories | Mazda B-Series Manuals, Mazda Manuals |
|---|---|
| Tags | Mazda B2300 |
| Model Year | 2009 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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