Toro 30308 - Page 175

RemovingtheHydrostaticTransmission
1.Parkthemachineonalevelsurface,engageparkingbrake,lowercutting
deck(orimplement),andshutofftheengine.Removekeyfromthekey
switch.
2.Topreventcontaminationofthehydraulicsystem,cleantransmissionand
frontaxle.
CAUTION
Operateallhydrauliccontrolstorelievesystempressureandavoid
injuryfrompressurizedhydraulicuid.
3.Labelhydraulichosestoassistinassembly.Disconnectallhydraulic
hosesfromthetransmissionassembly.Allowhosestodrainintoasuitable
container.Plugorcapopeningsoftransmissionandhosestoprevent
contamination.
4.On4-wheeldrivemachines,disconnect4-wheeldrivedriveshaftfrom
transmission;refertoRemovingtheRearAxleDriveshaft(4-WheelDrive)
(page8–43).Positiondriveshaftawayfromtransmission.
5.Removetransmissiondriveshaft;refertoRemovingtheTransmission
Driveshaft(page5–87).
6.Removecotterpin(item19inFigure81)andatwasherthatretaintraction
rodendtopumplever.Removetractionrodfromlever.
7.Labellocationofwiresattachedtoneutralswitch.Disconnectwiresfrom
switchandpositionawayfromtransmission.
8.Removelocknut(item11inFigure81)thatsecurestransmissionto
transmissionanchor.
CAUTION
Supporttransmissionwhenremovingitfromthefrontaxletoprevent
itfromfallingandcausingpersonalinjury.
9.Loosenandremove4bolts(items1and2inFigure81)thatsecure
transmissiontofrontaxle.Locateandretrievewashersandspacers.Note
locationofwashersandspacersforassemblypurposes.
10.Carefullypullthetransmissionfromthefrontaxledifferential.
11.Removeanddiscardgasket(item9inFigure81).Cleangasketsurfacesof
transmissionandfrontaxle.
12.Ifnecessary,removehydraulicttingsfromtransmission.Noteorientationof
ttingsforassemblypurposes.
13.RemoveanddiscardallO-ringsfromremovedhydraulichosesandttings.
IMPORTANT
PumpleverissecuredtotransmissionshaftwithLoctite#680
RetainingCompoundinadditiontoboltsandlocknuts.Usepuller
toremovepumpleverfromtransmission.Topreventtransmission
damage,strikeleverwithhammerduringremoval.
14.Ifpumplever(item18inFigure81)removalisnecessary,removeboltsand
locknuts.Usepullertoremoveleverfromtransmissionshaft.
Groundsmaster
®
3280-D/3320
Page5–91
HydraulicSystem:ServiceandRepairs
05138SLRevB