Toro Groundsmaster 4300-D - Page 166

RemovingtheHydraulicPumpAssembly(continued)
g193010
Figure87
1.Tractionpump6.Pumpsupportbracket
2.O-ring7.Locknut(2each)
3.Flatwasher(2each)8.Flatwasher(2each)
4.Lockwasher(2each)9.Gearpump
5.Socket-headscrew(2each)
14.Separatethetractionandgearpumps(Figure87)asfollows:
A.Removethe2socket-headscrews,2lockwashers,and2atwashers
thatsecurethegearpumptothetractionpump.
B.Removethegearpumpfromthetractionpump.Locateanddiscardthe
O-ringfromthepumps.
C.Ifnecessary,removethe2locknutsthatsecurethepumpsupportbracket
tothegearpump,andremovethebracketand2atwashersfromthe
gearpump.
15.Ifnecessary,removethehydraulicttingsfromthepumps.Notethe
orientationofthettingsforassemblypurposes.
16.RemoveanddiscardalltheO-ringsfromthehydraulichosesandttings
thatwereremoved.
InstallingtheHydraulicPumpAssembly
1.Ifthehydraulicttingswereremovedfromthepumps,lubricateandinstall
newO-ringstothettings.Installthettingsintothepumps;referto
InstallingtheHydraulicFittings(SAEStraightThreadO-RingFittinginto
theComponentPort)(page4–11).
2.Assemblethetractionandgearpumps(Figure87)asfollows:
A.LubricateandpositionnewO-ringbetweenthepumps.
B.Positionthegearpumptothetractionpumpandsecurewiththe2
socket-headscrews,2lockwashers,and2atwashers.
C.Ifthepumpsupportbracketwasremovedfromthegearpump,install
the2atwashersandbrackettothegearpumpandsecurethepump
withthe2locknuts.
HydraulicSystem:ServiceandRepairs
Page4–104
Groundsmaster
®
4300-D
16226SLRevC