Toro Groundsmaster 4300-D - Page 115

TestingtheRearWheelMotors
g212732
Figure57
1.Upperhydraulictting
2.Rightrearwheelmotor
g217163
Figure58
1.Leftrearwheelmotor2.Lowerhydraulictting
Hydraulicuidowsthroughbothfrontwheelmotors(inparallel)beforepassing
throughtherearwheelmotors(inseries).Toaccuratelytesttherearwheel
motors,thefrontwheelmotorsmustbeallowedtorotate.
1.Totesttherightrearwheelmotor,disconnectthehosefromtheupper
hydraulicttingofthewheelmotor(Figure57).
2.Totesttheleftrearwheelmotor,disconnectthehosefromthelowerhydraulic
ttingofthewheelmotor(Figure58).
3.Installatesterwiththepressuregaugeandowmeterinseriesbetween
thedisconnectedhydraulichoseandtherearwheelmotor.Ensurethatthe
testerowcontrolvalveisfullyopen.
IMPORTANT
Beforeliftingthemachinewithajack,reviewandfollowJacking
Instructions(page1–6).
4.Raiseofftheoorandsupportbothfrontwheels.
5.Blocktherearwheelswithchockstopreventwheelrotation.
6.Withtheenginerunning,presstheenginespeedswitchtofullspeed(3,005
to3,055rpm)position.UsetheInfoCentertocheckthattheenginespeedis
correct.
Groundsmaster
®
4300-D
Page4–53
HydraulicSystem:TestingtheHydraulicSystem
16226SLRevC