Toro Groundsmaster 3280-D - Page 112

RaiseCuttingDeck(orImplement)(continued)
g246023
Figure51
Whenthecuttingdeck(orimplement)istoberaised,thecontrolvalvespoolis
positionedrearwardandowisdirectedouttheBportofthecontrolvalvetothe
cap(upper)endoftheliftcylinders.Hydraulicpressureagainstthecylinder
pistonsextendstheliftcylinders.Atthesametime,thepistonspushthehydraulic
uidinthelowerportionoftheliftcylindersoutandtothereservoir(frontaxle).
Theextendingliftcylinderscausethecuttingdeck(orimplement)toraise.
Whenthecontrolvalveleverisreleased,springactionreturnstheliftcontrol
spooltothecenterposition,anduidowpassesthroughtheliftvalvetothe
reservoir(frontaxle).Liftcylindermovementisstopped.
HydraulicSystem:HydraulicFlowDiagrams
Page5–28
Groundsmaster
®
3280-D/3320
05138SLRevB