Toro ProLine H800 - Page 89

LeftTurn
g292115
Figure33
Whenaleftturnismadewiththeenginerunning,theturningofthewheel
positionsthesteeringcontrolspoolvalvesothattheowpassesthroughthe
bottomofthespool.TheuidowenteringthesteeringcontrolvalveattheP
portpassesthroughtherotarymeter,andisdirectedouttheLport.Pressure
extendsthesteeringcylinderforaleftturn.
Therotarymeterensuresthattheuidowtothecylinderisproportionalto
amountofsteeringwheelrotation.Theuidleavingthesteeringcylinderows
backthroughthespoolvalve,thenouttheTportandreturnstothepump.
ProLineH800
Page5–21
HydraulicSystem:HydraulicFlowDiagrams
19241SLRevB