Toro Reelmaster 3100-D - Page 157

RemovingthePistonPump/Hydrostat(continued)
g345926
Figure69
1.Pistonpump/hydrostatcasedrain2.Gearpumpsuctionport
13.Removebothsocketheadscrewsandatwasherssecuringgearpumpto
thepistonpump.Separategearpumpfromthepistonpump.Locateand
retrieveO−ring.Plugopeningsofgearpumptopreventcontamination.
14.Removepumppulleyfromthetaperlockbushingonthepistonpumpshaft:
A.Removethree(3)capscrewsandlockwasherssecuringpulleytothe
taperlockbushing.
IMPORTANT
Excessiveorunequalpressureonthecapscrewscanbreakthe
bushingange.
B.Insertcapscrewsintothreadedremovalholesofthepulley.Tighten
screwsprogressivelyandevenlyuntilthepulleyislooseonthebushing.
Removepulleyfromthebushing.
15.Loosensetscrewthatsecurestaperlockbushingtopistonpumpshaft.
Removebushingfromthepumpshaft.Locateandretrievekeyfrompump
shaft.
16.Removebothcapscrewsandwashersthatsecurepistonpumptopump
support.Locateandretrievespacers.
17.Removelocknuts,atwashersandcapscrewsthatsecurethepistonpump
tothepumpmountplate.Removepumpfromplate.
18.Ifhydraulicttingsaretoberemovedfrompistonpump,marktting
orientationtoallowcorrectassembly.RemovehydraulicttingsandO−rings
fromthepistonpumpasneeded.DiscardremovedO−rings.
InstallingthePistonPump/Hydrostat
1.Positionandsecurepistonpumptothepumpmountplatewithcapscrews,
atwashersandlocknuts.
2.LubricateandplacenewO−ringsontoallremovedpumpttings.Install
ttingsintopumpopeningsusingmarksmadeduringtheremovalprocessto
properlyorientatettings.Tightenttings(seeInstallingtheHydraulicFittings
(SAEStraightThreadO-RingFittings)(page5–8)).
Reelmaster
®
3100-D/3105-D
Page5–81
HydraulicSystem:ServiceandRepairs
20252SLRevA