TowingTractionUnit(continued)
Ifitbecomesnecessarytotoworpushthemachine,movemachineinaforward
directionataspeedbelow2mph(3.2kph),andforaveryshortdistance.Ifthe
machineneedstobemovedmorethanashortdistance,machineshouldbe
transportedonatrailer.
Thepiston(traction)pumphighpressurereliefvalvesincludeahighpressure
reliefvalve,chargecheckvalveandabypassvalve.Bothforwardandreverse
highpressurereliefvalvesneedtobeloosenedthree(3)revolutionstoengage
thebypassfunctionandallowthemachinetobemoved(Figure30).T oprevent
leakagefromreliefvalves,donotloosenthemmorethanthree(3)revolutions.
Also,manuallyreleasetheautomaticparkingbrakeusingthebypassvalveand
plungerlocatedontherightsideoftheoperatorseat.RefertoyourOperator’s
Manualforadditionaltowinginstructions.
IMPORTANT
Donotloosenreliefvalveswhenengineisrunning.
Beforereturningmachinetoservice,tightenbothofthereliefvalvesuntilseated.
Then,torquereliefvalvesto70N·m(52ft−lb).Theparkingbrakeautomatically
resetswhentheengineisstarted.
HydraulicSystem:GeneralInformation
Page5–4
Groundsmaster
®
5900&5910
16227SLRevB
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