Toro ProCore 648s - Restoring the Hydraulic Pump

Important:Donotpush/pullthemachine
morethan30.5m(100ft)orfasterthan0.6
km/h(1mph)becausehydrauliccomponent
damagemayoccur.
g342220
Figure127
7.Lowerthehandlebartodisengagetheparking
brakebeforepushing/pullingthemachine.
Important:Youmustlowerthehandlebar
todisengagetheparkingbrakebeforeyou
movethemachine.
RestoringtheHydraulicPump
Important:Youmustclosethebypassvalveto
drivethemachine.Donottrytooperatetraction
systemwiththebypassvalveopen.
1.Locatethebypass-valvescrewbetweenthe
engineandhydraulicpump.
Note:Thelocationofthecoverforthe
bypass-valvescrewisshowninFigure128.
g342393
Figure128
1.Bypassvalve
2.Usea15mmsocketandsocketwrenchtorotate
thebypassvalveclockwise1-1/2turns.
Note:Donotovertightenthebypassscrew.
3.Usea15mmwrenchtoinstallthebypass-screw
coverontothehydraulicpump.
4.Installthestoragebintothebinbracketwiththe
2ange-headbolts.
MovingtheMachinewhen
theCoringHeadisLowered
Iftheenginestopsrunningwhilethecoringhead
loweredandthetinesengagedinthesoilandyou
cannotstarttheengine,performeitherLiftingthe
CoringHeadusingtheStarter(page57)orRemoving
theTineholdersfromtheStomperArms(page58).
LiftingtheCoringHeadusingthe
Starter
1.MovethekeytotheRUNposition.
2.IntheInfoCenter,navigatetotheMAINMENU
(Figure129).
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