Toro Reelmaster 3100-D - Page 165

RemovingtheGearPump(continued)
4.Drainthehydraulicuidfromhydraulictankbydisconnectingthesuction
hosefromthebarbedttinginthebottomofthegearpump.Draintankinto
asuitablecontainer.
5.Labelthehydraulichosesandttingsongearpumpforassemblypurposes.
g345926
Figure74
1.Pistonpump/hydrostatcasedrain2.Gearpumpsuctionport
6.Disconnectthehydraulichosesconnectedtothehydraulicttingsonthegear
pump.Allowhosestodrainintoasuitablecontainer.Plughoseopeningsto
preventcontamination.
Note:Acasedrainexistsinthepistonpump/hydrostatandasuctionportis
neartheinputshaftofthegearpump(Figure74).Whenthegearpumpis
removedfromthepistonpump,plugpistonpumpcasedrainholetoprevent
drainingthepistonpump.
7.Removebothcapscrewsandatwasherssecuringgearpumptothepiston
pump.Separategearpumpfromthepistonpump.Locateandretrieve
O−ring.Plugopeningsofgearpumptopreventcontamination.
8.Ifhydraulicttingsaretoberemovedfromgearpump,markttingorientation
toallowcorrectassembly.RemovethehydraulicttingsandO−ringsfrom
thegearpumpasneeded.DiscardremovedO−rings.
InstallingtheGearPump
1.Ifttingswereremovedfromgearpump,lubricateandplacenewO−rings
ontottings.Installttingsintopumpopeningsusingmarksmadeduringthe
removalprocesstoproperlyorientatettings.Tightenttings(seeInstalling
theHydraulicFittings(SAEStraightThreadO-RingFittings)(page5–8)).
2.MakesurethatthemountingandO−ringsealingsurfacesonthegearpump
andpistonpumpareclean.
3.ApplycleanhydraulicuidtogearpumpangeO−ring.PlacetheO−ringon
thegearpump.
Reelmaster
®
3100-D/3105-D
Page5–89
HydraulicSystem:ServiceandRepairs
20252SLRevA