OPERATOR'S MANUAL

SWITCHES
20.Engine,ShutdownTest
Momentarilypushswitchinto
activatetheshutdownsystem.
21.Exhaust,DieselParticulate
Filter(DPF)RegenerationSwitch
Manuallycontrolsthediesel
particulatelterregenerationprocess.
RefertoEngineAfter-treatment
ControlsOperator'sManualfor
additionalinformation.
22.FifthWheelSlide
Turnswitchonto“Unlock”Fifth
WheelSlidemechanism.
Theswitchisguardedtoprotect
youfromaccidentallyactivating
orreleasingthelock.
NOTE
Vehicleshavinganairslidefth
wheelhaveafthwheelslider
lockcontrolledbyaswitchon
theinstrumentpanel.Byplacing
theswitchintheunlockposition
youcanslidethefthwheelto
variouspositionstoadjustweight
distribution.
WARNING
Donotmovethefthwheelwhile
thetractor-trailerisinmotion.Your
loadcouldshiftsuddenly,causing
youtolosecontrolofthevehicle.
Neveroperatethevehiclewiththe
switchintheUNLOCKposition.
Alwaysinspectthefthwheelafter
youlocktheswitchtobesurethe
fthwheelslidelockisengaged.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
23.FuelHeater
TurnswitchontoactivateFuelHeater.
24.Generic,Air,Accessory
Providesaccessoryairtothe
endofframeconnectionwhen
switchisturnedon.
SPARE
25.Generic,Spare
Turnswitchontopowercustomer
installedaccessory.
26.IgnitionKeySwitch
Theignitionkeyswitch(locatedto
theleftofthesteeringcolumn)has
fourpositions:ACC(Accessories),
OFF,ON,andSTART.Formore
information,seeIgnitionKey
Switchonpage3-90.
27.Lights,Auxiliary
TurnswitchonforAuxiliaryLights.
28.Lights,Beacon
TurnswitchonforBeaconLight(s).
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