Service Manual
GreensPro1260
g271595
Figure11
1.Hydraulicpump3.Parkingbrakelever
5.Motioncontrolpedal(2each)
2.Hydraulicmotor
4.Driveroller
GreensPro1260machinesusea10.2cc(0.62cuin)variabledisplacement
bidirectionalaxialhydraulicpumpconnectedtoaxeddisplacement2.1cc(0.13
cuin)hydraulicmotortopropelthemachine(Figure11).Thehydraulicpump
isdrivenbytheenginethrougharubberdrivecoupling.Thehydraulicmotor
isdirectlycoupledtothedriveroller.
Theoperatormovesthemotioncontrolpedalsconnectedtothehydraulicpump
controlarmtocontrolthemachinedirectionandspeed.Withtheenginerunning
andthemotioncontrolpedalsintheNEUTRALposition,thehydraulicpump
suppliesnouidtothehydraulicmotor,sothatthemachineremainsstationary.
Whenoneofthemotioncontrolpedalsispressed,thetractioncablemovesthe
hydraulicpumpcontrolarm,hydraulicuidowsfromthehydraulicpumptothe
hydraulicmotorandsothatthehydraulicmotoroutputturnsthedriveroller.
Machinemovementoccursinthedirectionofthemotioncontrolpedalapplied.
The2foot-operatedmotioncontrolpedalsareoneithersideofthesteering
wheelcolumn.Thesepedalscontrolthemotionofthetractionroller.Thepedals
areconnectedtoacommonpedalrodpivotsothatbothmotioncontrolpedals
cannotbepresseddownatthesametime.Pressingtheright-handmotion
controlpedalwillmovethemachinetotheright,andpressingtheleft-hand
motioncontrolpedalwillmovethemachinetotheleft.Thefartherthepedalis
pressed,thefasterthemachinewillmoveinthatdirection.
Mostofthetractioncontrolsystemcomponentsareattachedtothebottomof
thechassis.Themotioncontrolpedalsextendthroughthechassis,asdoesthe
GreensPro
™
1240/1260
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HydraulicSystem:GeneralInformation
14211SLRevA