Figure33
1.Speed-rangelever4.C(mid-highrange)
2.T(transportrange)5.B(mid-lowrange)
3.D(highrange)6.A(lowrange)
UsingtheDifferentialLock
WARNING
Tippingorrollingthevehicleonahillcancausea
seriousinjury.
•Theextratractionavailablewiththedifferential
lockcanbeenoughtogetyouintodangerous
situationssuchasclimbingslopesthataretoo
steeptoturnaround.Beextracarefulwhen
operatingwiththedifferentiallockon,especially
onsteeperslopes.
•Ifthedifferentiallockisonwhenmakinga
sharpturnatahigherspeedandtheinsiderear
wheelliftsofftheground,theremaybealossof
controlwhichcouldcausevehicletoskid.Use
thedifferentiallockonlyatslowerspeeds.
CAUTION
Turningwiththedifferentiallockoncanresult
inlossofvehiclecontrol.Donotoperatewith
differentiallockonwhenmakingsharpturnsorat
highspeeds.
Thedifferentiallockincreasesthetractionofthevehicleby
lockingtherearwheelssothat1wheelwillnotspinout.
Thiscanhelpwhenyouhaveheavyloadstohaulonwet
turforslipperyareas,goinguphills,andonsandysurfaces.
Itisimportanttorememberthatthisextratractionisonly
fortemporarylimiteduse.Itsusedoesnotreplacethesafe
operationalreadydiscussedconcerningsteephillsandheavy
loads.
Thedifferentiallockcausestherearwheelstospinatthe
samespeed.Whenusingdifferentiallockyourabilitytomake
sharpturnsissomewhatrestrictedandmayscufftheturf.Use
thedifferentiallockonlywhenneededandatslowerspeeds.
Note:Vehiclemotionplusaslightturnisrequiredtoengage
ordisengagedifferentiallock.
•Pressthedifferential-lockswitchuptolockthedifferential
(Figure34).
Note:Thelightinthedifferential-lockswitchwill
illuminatewhentheswitchisinthelockposition.
•Pressthedifferential-lockswitchuptounlockthe
differential(Figure34).
Figure34
1.Lockposition
(differential-lockswitch)
2.Unlockposition
(differential-lockswitch)
BreakinginaNewMachine
ServiceInterval:Aftertherst100hours
•Checktheuidandengineoillevelsregularlyandbealert
forindicationsofoverheatinginanycomponentofthe
vehicle.
•Afterstartingacoldengine,letitwarmupforabout15
secondsbeforeshiftingintogear.
Note:Allowmoretimetowarm-uptheenginewhen
operatingincoldambienttemperatures.
•Avoidracingtheengine.
•Toensureoptimumperformanceofthebrakesystem,
burnish(break–in)thebrakesbeforeuse.Toburnishthe
brakes,bringthevehicleuptofullspeed,applythebrakes
torapidlystopthevehiclewithoutlockingupthetires.
Repeatthis10times,waiting1minutebetweenstopsto
avoidoverheatingthebrakes.Thisismosteffectiveifthe
vehicleisloadedwith454kg(1000lb).
•Varyvehiclespeedsduringoperation.Avoidexcessive
idling.Avoidfaststartsandquickstops.
•Abreak–inoilfortheengineisnotrequired.The
originalengineoilisthesametypespeciedforregular
oilchanges.
•RefertoHeavyDutyOperation(page35)foranyspecial
low-hourchecks.
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