Toro 74990 - Using the Drive Wheel Release Valves

Adjusttherear,shockassemblies(Figure38).
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Figure38
AdjustingtheFront,Shock
Assembly
Thefront,shockassemblyissetatthemiddleposition
andisnormallynotadjusted.
Toadjustthefront,shockassembly,opentheoor
panandadjustitbyusingaspannerwrench(T oro
partno.132–5069)oraslip-jointpliers(Figure39).
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Figure39
1.Middleposition
3.Softride
2.Firmride
UsingtheDriveWheel
ReleaseValves
WARNING
Handsmaybecomeentangledintherotating
drivecomponentsbelowtheenginedeck,
whichcouldresultinseriousinjury.
Stoptheengine,removethekey,andallow
allmovingpartstostopbeforeaccessingthe
drivewheelreleasevalves.
WARNING
Theengineandhydraulicdriveunitscan
becomeveryhot.Touchingahotengineor
hydraulicdriveunitscancausesevereburns.
Allowtheengineandhydraulicdriveunitsto
coolcompletelybeforeaccessingthedrive
wheelreleasevalves.
Thedrivewheelreleasevalvesarelocatedintheback
ofeachhydraulicdriveunit,undertheseat.
Note:Makesurethereleasevalvesareinthefully
horizontalpositionwhenoperatingthemachineor
severedamagetothehydraulicsystemcanoccur.
1.DisengagethePTO(blade-controlswitch)and
turntheignitionkeytooff.Movetheleversto
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