ReverseDirection(continued)
motor.Fluidby-passesthefrontwheelmotorinthereversedirectionbecauseof
thecheckvalveinsidethefrontmotor.Thefrontwheeldoesnotprovidetraction
inthereversedirection.Hydraulicuidiscontinuouslypumpedthroughthe
closedlooptractioncircuitaslongasthetractionpedalispressedrearward.
Thetractionpumpincludesareliefvalve(reversedirection)thatlimitsreverse
tractioncircuitpressureto22,063kPa(3200psi)bar).
Thechargecircuitfunctionsthesameinreverseasitdoesintheforward
direction.Theleftrearwheelmotorbleedvalveandtheremotemountedrelief
valvedoesnotfunctioninthereversedirection.
SandPro
®
3040and5040
Page5–15
HydraulicSystem:HydraulicFlowDiagrams
20251SLRevA