Service Manual
Removal(Figure101andFigure102)
2
3
1
FRONT
g275428
Figure103
1.Pistonpump
3.Solenoidcoil(reverse)
2.Solenoidcoil(forward)
1.Parkmachineonalevelsurface,lowercuttingdecks,stopengine,apply
parkingbrakeandremovekeyfromtheignitionswitch.
2.Topreventcontaminationofhydraulicsystemduringremoval,thoroughly
cleanexteriorofpumpassembly.
3.Raiseandsupportmachinetogainaccesstopumpassemblyfromthe
undersideofmachine.
4.Labelwireharnessconnectorsthatattachtothetwo(2)solenoidcoilson
leftsideofpistonpump(Figure103).Disconnectharnessconnectorsfrom
solenoidcoilsonpistonpump.
5.ReadtheGeneralPrecautionsforRemovingandInstallingHydraulicSystem
Components(page5–83).
6.Forinstallationpurposes,labelallhydrauliclinesthatconnecttogearpump
andpistonpump.
7.Putadrainpanbelowthepumpassembly.Removehydrauliclinesconnected
topistonandgearpumpttings.Putplugsorcapsondisconnectedhydraulic
linesandttingstopreventcontaminationofthesystem.
Note:Iffueltankisremovedfromthemachine,thegearpumpandpiston
pumpcanberemovedasacompleteassembly.
Groundsmaster
®
4000-D&4010-D
Page5–107
HydraulicSystem:ServiceandRepairs
13202SLRevF