Volvo VN - To Increase;Decrease Engine Speed; Volvo Variable Geometry Turbo Brake VN

94INSTRUMENTSANDCONTROLS
Toincrease/decreaseenginespeed:
1Volvoengines:PressandreleasetheSET+orSET-toggleswitchto
increase/decreasespeedinincrements(incrementsizedependsonprogrammed
value).
2Cumminsengines:PressandholdtheSET+orSET-toggleswitchto
increase/decreasespeed.Whentheswitchisreleased,theenginespeedsetsat
currentspeed.
TodeactivatePTOspeedfunction.SetthePTO/CCswitchtotheOFFposition.
or
2.Depresstheservicebrakepedal.
or
3.Depresstheclutchpedal(Programmable).
or
4.IncreasevehiclespeedabovePTOworkingrange(typically8km/h[5mph]).
EngineBrake
DANGER
Whenoperatingyourtractorbobtail
(withoutatrailer)oronslipperyroads,
theenginebrakeswitchmustbeinthe
OFFposition.Failuretofollowthese
instructionscanresultinlossofvehicle
control,seriouspersonalinjuryordeath.
DANGER
Avehiclespeedretardingdeviceisnot
intendedtoreplacetheservicebrake
systemonyourvehiclenorintendedto
bringyourvehicletoastop.Avehicle
speedretardingdeviceisonlyintended
toretardthespeedofyourvehicleunder
certainconditions.
Usingtheretardingdeviceasabrake
couldresultinlossofvehiclecontrol
andpersonalinjuryordeath.
Note:Itisnormalforaslightdelaytooccurintheapplicationofavehiclespeed
retardingdevice.Whenusingadeviceofthistype,besuretothinkaheadandanalyze
conditionsinordertousethedeviceproperly.
Severaltypesofenginebrakescanbeinstalledorarestandardoncertainengines.All
areusedtoreducewearonthevehiclebrakelinings.
Severaltypesofenginebrakescanbeinstalledorarestandardoncertainengines.All
areusedtoreducewearonthevehiclebrakelinings.
VolvoVariableGeometryTurboBrakeVN
ThevariablegeometryturbobrakeisstandardequipmentontheV olvo11Fand13F
engines.Softwareisusedtoclosethevariablegeometryturbocharger,creating
retardation.Theswitchforexhaustbrakehastwopositions:ON/OFF.