Toro 75746 - Hydrostatic Drive Belt Replacement

PurgingProcedure(continued)
1.Withthebypassvalveopen(pushbutton)andtheenginerunning,slowly
movethedirectionalcontrols(forward/reverselevers)inbothforwardand
reversedirections5–6time;asairispurgedfromthetransaxles,theoillevel
willdrop.
Note:Seatswitchmustbebypassed.
2.Withthebypassvalvesintheclosedposition(runposition)andtheengine
running,slowlymovethedirectionalcontrolleversinbothforwardand
reversedirections5–6times.
3.Itmaybenecessarytorepeatsteps1and2untilairiscompletelypurged
fromthetransaxles.Whenthetransaxlesmoveforwardatnormalspeed,
purgingiscomplete.
HydrostaticDriveBeltReplacement
HydrostaticDriveBeltRemoval
1.ParkthemachineonalevelsurfaceanddisengagethePTO.Stoptheengine,
waitforallmovingpartstostop,andremovekey.Engagetheparkingbrake.
2.Disconnectthebatterybyremovingthenegativecablerst,thenthepositive
cablefromthebattery.
3.Raiseandsupporttheunitsothatthedrivewheelsareofftheground.
4.Removethemowerbeltfromtheclutch.
5.Usingaspringremovaltool,removethedriveidlerspringfromtheslotinthe
frame.Removethespringfromthedriveidlerarmandinspectfordamage
orwear
g321832
Figure59
6.Removetheclutchstop.
7.Removetherearpulley.
8.Removetheidlerarmandpulley.
TitanServiceManual
Page6–7
HydrostaticDriveSystem:ServiceandRepairs
3438-774RevA