Peterbilt 367 2017 - Page 174

OPERATINGTHETRANSMISSION
DrivingTipsandT echniquesonpage
4-44.
ShiftingGearsinaNewVehicle
Shiftcarefullyinanewvehicle.The
transmissionmaybealittlestiffat
rst.Avoidgearclashing,byclosely
followingtheseprocedures.
Whenyouareoperatinganewvehicle
oronethathasbeenexposedtocold
weather,youwantthetransmission
lubricant(uid)tocirculateandcoat
thecontactingsurfacesofthegears.
Metalcontactingmetalinmoving
partsmayseriouslydamageyour
transmission,donotdriveinone
gearforlongperiodsoftimeuntilthe
transmissionlubricanthasachanceto
coatallcontactingsurfaces.
ClutchBrakeandTravel
Theclutchbrakeisusedforstopping
transmissiongears,allowingyouto
easilyshiftintorstgearorreverse
withoutgrindinggears.Approximately
thelast½inch(13mm)ofclutchpedal
travelactivatestheclutchbrake.
CAUTION
Donotpushtheclutchpedalcom-
pletelytotheoorwhenshifting
whilethevehicleisinmotion.us-
ingtheclutchbrakewhileshifting
avehicleinmotionwilldamage
theclutchbrake.Anonfunctioning
clutchbrakewillmakeshiftingvery
difcultwhenthevehicleisstation-
ary.
Toapplytheclutchbrake(whilethe
vehicleisstopped)fullydepressthe
clutchpedaltostopthegears.With
thethrottleatidle,selectrstgear
thenreleasetheclutchpedaltoletthe
4-16Y53-6076-1B1(03/17)
4
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