Case 590ST - Page 82

3-CONTROLSANDINSTRUMENTS
Transmissiondisconnection
WARNING
Lossofcontrolhazard!
Machineswithfour-wheeldriveengagedor
disengagedshouldnotexceed50km/h(31
mph)wherepermitted.Overspeedingby
towingorcoastingdownhillwithclutchde-
pressedortransmissioninneutralmaycause
lossofcontrol,personalinjurytotheoperator
orbystanders,ormechanicalfailure.
Failuretocomplycouldresultindeathorse-
riousinjury.
W0454A
The4x4transmissionprovidesforeasyupwardand
downwardgearratiochangesonthemove.
However,asaclutchisnotusedbetweentheengineand
transmission,thepowerowfromtheenginetothetrans-
missionmustbeinterruptedtoshiftfromonegearratio
toanother.Thisisaccomplishedbyusingatransmission
disconnect(dump)button.
Thengeroperatedbutton(2)onthemaingearshiftlever
knob(1)iseasytooperate.
NOTICE:Donotusethedisconnectswitchcontroldown
hill,becauseexcessivespeedmaycauselossofcontrol,
personalinjuryorthefailureoftransmission
Tomakeupwardgearratiochanges,simplydepressand
holdbutton(2)onthegearshiftlever(1),whileshiftingthe
samefromonegearratiotoanother.
Whenthedesiredgearratiohasbeenselectedrelease
thebuttonandallowtheunittogainenginespeedand
groundspeed.Ifanotherhigherratioisrequiredrepeat
theprocedure.
NOTICE:Topreventpossibledamagestothetransmis-
sionhydraulicclutches,neverusethedisconnectswitch
forinchingthemachineforward,becausethiswillcause
theclutchestoslipexcessivelyandtooverheat.
Tomakedownwardgearratiochangesorreduceground
speed,simplylowertheenginespeed,depressandhold
thegearshiftleverbuttonanddownshiftthetransmission.
Whenthedesiredgearratiohasbeenselectedrelease
thebuttonandadjusttheenginespeedtosuitground
speedrequired.
LEEN11T0044AA5
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