Toro Spray Master Series - Purging Air from the Hydraulic System; Checking the Hydraulic System Fittings

PurgingAirfromthe
HydraulicSystem
Note:Youmustpurgeairfromthehydraulicsystem
whenyouremoveanyhydrauliccomponents,
includingoillter,ordisconnectanyhydrauliclines.
1.Openthedrivereleasevalvesateachhydraulic
pump(Figure102).
g318733
g313240
Figure102
1.Drivereleasevalves
2.Raisethebackofthemachineuntilbothdrive
wheelsareofftheground,andsupportthe
machinewithjackstands.
3.Startengineandmovethrottlecontrolaheadto
fullthrottleposition.
4.Movethetraction-controlleverstotheFORWARD
andREVERSEpositionsseveraltimesposition.
5.Movethetraction-controlleverstotheNEUTRAL
position,andshutofftheengine.
6.Lowerthemachineandremovethejackstands.
7.Closethedrivereleasevalvesateachhydraulic
pump(Figure102).
8.Checkthehydraulicuidlevel,starttheengine,
andrunitatfullthrottleforseveralminutes,refer
toCheckingtheHydraulicFluidLevel(page70).
9.Shutofftheengine,andInstallthekneepad
refertoInstallingtheKneePad(page52).
CheckingtheHydraulic
SystemFittings
ServiceInterval:Every40hours
Checkthehydraulichosesandttingsforleaks,
damage,orwear.Repairanyleaking,damaged,or
wornhydrauliccomponents.
72